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Noble Energy, Inc.

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FY2008 Annual Report · Noble Energy, Inc.
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100 Glenborough Drive

Suite 100

Houston, TX 77067-3610

nobleenergyinc.com

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3/9/09   1:43:13 PM

Noble eNergy 2008 ANNuAl reportvisioN for the  future 
 
 
 
 
DIRECTORS

CHARLES D. DAVIDSON (4)

Chairman of the Board, President and

Chief Executive Officer, Noble Energy, Inc.

JEFFREy L. BERENSON (2) (3)

President and Chief Executive Officer,

Berenson & Company

MICHAEL A. CAWLEy (1) (3)

Trustee, President and Chief Executive Officer,

The Samuel Roberts Noble Foundation, Inc.

EDWARD F. COx (2) (3) (4)

Of Counsel, law firm of 

Patterson Belknap Webb & Tyler LLP

ERIC P. GRuBMAN

Executive Vice President,

National Football League

KIRBy L. HEDRICK (2) (3) (4)

Former Executive Vice President,

Phillips Petroleum Company

SCOTT D. uRBAN (1) (3) (4)

Former Group Vice President, BP

WILLIAM T. VAN KLEEF (1) (3)

Former Executive Vice President and

Chief Operating Officer, Tesoro Corporation

THOMAS J. EDELMAN (4)

Patina Oil & Gas Corporation

Former Chairman of the Board and Chief Executive Officer,

COMMITTEE MEMBERSHIP

(1)  Audit Committee       

(2)  Compensation, Benefits and Stock Option Committee

(3)  Corporate Governance and Nominating Committee

(4) 

Environment, Health and Safety Committee

ExECuTIVE OFFICERS

CHARLES D. DAVIDSON 

Chairman of the Board, President, Chief Executive Officer and Director

TED D. BROWN 

Senior Vice President, North America Northern Region

RODNEy D. COOK 

Senior Vice President, International

SuSAN M. CuNNINGHAM  Senior Vice President, Exploration 

ARNOLD J. JOHNSON 

Senior Vice President, General Counsel and Secretary

A. LEE ROBISON 

DAVID L. STOVER 

CHRIS TONG 

Vice President, Human Resources

Executive Vice President and Chief Operating Officer

Senior Vice President and Chief Financial Officer

CORPORATE INFORMATION

Annual  Meeting                 The Annual  Meeting  of  Stockholders  of 

Noble Energy, Inc. will be held on Tuesday, April 28, 2009, at 9:30 

a.m.,  Central  Time,  at  The  Woodlands  Waterway  Marriott  Hotel 

&  Convention  Center  located  at  1601  Lake  Robbins  Drive,  The 

Woodlands,  Texas  77380.  All  stockholders  are  cordially  invited  

to attend.

Form 10-K         The Company’s Annual Report on Form 10-K for 

the year ended December 31, 2008, as filed with the Securities and 

Exchange Commission, is included in this report. Additional copies 

are  available  without  charge  upon  request  by  writing  to  Investor 

Relations, Noble Energy, Inc., 100 Glenborough Drive, Suite 100, 

Houston, Texas 77067-3610, via the Company’s Internet website: 

http://www.nobleenergyinc.com, or via the Securities and Exchange 

Commission’s Internet website: http://www.sec.gov. 

Forward  Looking  Statement                 This  2008 Annual  Report 

to  stockholders  contains  forward-looking  statements  based  on 

expectations, estimates and projections as of the date of this report. 

These statements by their nature are subject to risks, uncertainties 

and  assumptions  and  are  influenced  by  various  factors.  As  a 

consequence,  actual  results  may  differ  materially  from  those 

expressed in the forward-looking statements. For more information, 

see “Item 1A. Risk Factors. Disclosure Regarding Forward-Looking 

Statements” in Noble Energy’s Form 10-K included in this report.

Noble Energy, Inc. 

Corporate Headquarters

100 Glenborough Drive 

Suite 100

Houston, Texas 77067-3610

(281) 872.3100 

Investor Relations

David Larson

Vice President, Investor Relations

(281) 872.3100

Investor_Relations@nobleenergyinc.com

www.nobleenergyinc.com

Independent Public Accountants

KPMG LLP

Transfer Agent and Registrar

Wells Fargo Bank N.A. 

Shareowner Services

161 North Concord Exchange

South St. Paul, MN 55075-1139

(800) 468.9716

stocktransfer@wellsfargo.com

Common Stock Listed

New York Stock Exchange

Symbol - NBL

The paper used in this 

report is FSC Certified, 

elemental and process 

chlorine-free, and was 

made with 100 percent 

renewable electricity and 

manufactured carbon 

neutral.

Cert no. SCS-COC-00648

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90051easD2R2.nar.indd   1

3/9/09   1:14:16 PM

We have a passion for finding and developing new energy resources and believe that skillfully executed exploration can create momentous value. In recent years, our teams have discovered significant hydrocarbon resources  in the deepwater Gulf of Mexico, West Africa, and Israel, which will drive Noble Energy’s growth for many years to come.Discovery90051easD2R2.nar.indd   2

3/9/09   1:14:34 PM

Our quality asset base and strong financial platform provide the flexibility to prosper across varying economic and  commodity price cycles. Diversity in our portfolio allows us to optimize capital allocation by directing investment dollars into the best projects for the given environment.Flexibility90051easD2R2.nar.indd   3

3/9/09   1:14:56 PM

Maintaining a balanced and diversified inventory, focused on both oil and natural gas assets, is one  of our key strategies. With a portfolio that includes U.S. onshore, deepwater Gulf of Mexico, and international projects, we have many opportunities to create value for our shareholders and partners.balance90051easD2R2.nar.indd   4

3/9/09   1:15:08 PM

We have positioned ourselves for the future with the discovery of substantial resources that will lead to large developments and  new legacy assets. The execution of these major projects will help transform our Company into the new Noble Energy  of the next decade.transformationl e t t e r   t o   s h a r e h o l d e r s

2008 was clearly a year of extremes for Noble Energy, our industry and the broader economic 

environment. For us, it was a year of many significant accomplishments that will ultimately 

result in the transformation of our Company. It was a year of record earnings and production, 

with significant exploration success that has positioned us well for future growth. However, 

it was also a year where oil and natural gas prices peaked early and then fell dramatically, 

driven by a collapsing economy. Lower commodity prices and a difficult business environment 

present us and our industry with many challenges as we enter 2009.

In 2008, we achieved record earnings of approximately $1.35 billion, a 43 percent increase over 2007. Net cash provided by 
operating activities was also a record at $2.3 billion, up 13 percent from 2007. Production for the year averaged a record 215 
thousand barrels of oil equivalent per day (MBoepd), an eight percent increase over 2007. Higher oil prices and increased production 
drove our financial performance. Our realized oil sales price averaged just under $83 per barrel, a 36 percent increase over 2007. 
It was truly a volatile market with our realized oil prices peaking at just above $105 per barrel in the second quarter before falling 
to just under $44 per barrel in the fourth quarter, nearly a 60 percent drop in six months. Throughout this period, we continued to 
keep a close eye on costs and were able to keep our unit cash costs in the best quartile among our peers.

During 2008, capital expenditures totaled $2.26 billion. Capital spending grew in 2008 over 2007 but still remained within our 
cash flow as we continued to focus on retaining financial discipline in this volatile environment. We passed on several opportunities 
early in the year when prices were high, as we believed they were too costly based on our longer-term view of oil and natural gas 
prices. As a result, we ended the year with a very strong balance sheet, including over $1.1 billion in cash.

We added 115 million barrels of oil equivalent (MMBoe) of proven reserves from drilling, acquisitions and performance revisions 
which represented 147 percent of 2008 production. However, these reserve additions were offset by negative price revisions of 47 
MMBoe due to lower commodity prices seen at the end of the year. Not included in the reserve additions were significant resources 
from several exploration discoveries made during the year. 2008 was perhaps one of the best years for exploration success in 
Noble Energy’s history with additional discoveries in Equatorial Guinea and our largest deepwater Gulf of Mexico discovery to date 
at Gunflint. In January of 2009, we announced the largest discovery in our Company’s history at Tamar, offshore Israel. All of 
these exploration discoveries are positioning Noble Energy for growth for many years into the future. We are working diligently to 
complete appraisal work so the development of these significant discoveries can move forward.

Our  U.S.  drilling  programs  remained  active  during  the  year,  although  as  prices  began  to  decline  in  the  second  half  we  made 
adjustments to certain programs that were more sensitive to lower prices. For the year, we completed more than 1,000 projects 
onshore in the U.S., with most of the drilling activity occurring in the Wattenberg, Tri-State and Piceance areas. In the Southern 
region, we focused our exploration program in the deepwater Gulf of Mexico. We are now acquiring additional seismic over Gunflint 
and are making plans for an appraisal well later this year or in 2010. Also in 2008, we substantially increased our acreage positions 
in the U.S. with additions in the deepwater and selective onshore regions. 

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3/6/09   2:50:38 PM

In  International,  we  are  aggressively  moving  forward  with  development  planning  for  the  oil  discovery  at  Benita  in  Equatorial 
Guinea  and  expect  to  receive  sanction  in  2009.  This  would  keep  the  project  on  schedule  for  first  production  in  2012.  We 
also  received  partner  approval  for  the  next  phase  of  development  of  the  Cheng  Dao  Xi  field  in  the  Bohai  Bay  of  China  and 
saw first production from the second phase of development at Dumbarton in the North Sea. Late in 2008, we began drilling 
the Tamar prospect located in 5,500 feet of water offshore Israel, which resulted in a significant gas discovery. We currently 
estimate that gross mean resources at Tamar are five trillion cubic feet (Tcf) of natural gas, five times the size of the Mari-B 
discovery we made in Israel in 2000. Two additional wells are planned for drilling in 2009 in this new and highly unexplored  
Mediterranean basin.

The strategy that we put in place for Noble Energy several years ago is now paying great dividends in this challenging environment. 
We deliberately guided our Company toward being more diversified, with investment opportunities in various regions. Focused on 
both oil and natural gas, certain projects delivered near-term production and others were designed for longer-term growth. This 
strategy, coupled with maintaining financial flexibility, is allowing us to reallocate capital for optimal use. With U.S. natural gas 
markets currently fully supplied, we are able to shift capital spending away from domestic natural gas drilling into projects that 
will position us for future growth when economic conditions and markets are anticipated to be stronger. As a result, approximately 
40 percent of our 2009 capital program is being directed to projects designed to deliver significant production growth in the 
next  three  to  five  years.  These  projects  include  deepwater  and  international  exploration  and  the  development  of  major  long-
term  projects  such  as  Benita  in  Equatorial  Guinea  and  Gunflint  and  Isabela  in  the  deepwater  Gulf  of  Mexico.  We  believe  this 
strategy makes the best use of precious capital in the environment we are in and will allow us to create significant value for our 
shareholders. We further believe that our ability to deploy capital with greater flexibility gives us a competitive edge in these ever- 
changing environments. 

We have not lost sight of the fact that our success is due to the commitment and hard work of our employees. Our organizational 
needs have grown in response to a rapidly expanding inventory of major growth projects. Fortunately, we have been able to attract 
talented new staff this past year. All of us are diligently working to deliver superior returns to our shareholders while assuring that 
impacts to the environment are minimized, preserving the safety of all involved, helping the communities we touch, and complying 
with increasingly complex laws and regulations. I cannot be more proud of our employees, what they have achieved, and how they 
conduct our business. 

This year we welcome to our Board of Directors Eric P. Grubman who is currently an Executive Vice President of the National 
Football League and was previously Partner and Co-head of the Energy Group at Goldman Sachs. 

On behalf of the Board of Directors and all our employees, I want to thank all of our stakeholders for the continued confidence and 
support of Noble Energy.

Charles D. Davidson

Chairman of the Board
President and Chief Executive Officer

90051easD2R2.nar.indd   6

3/9/09   1:15:26 PM

  
 
Daily sales volumes
(mboepd)

net cash ProviDeD  
by oPerating activities
(in millions)

net exPloration 
resources DiscovereD
(mmboe cumulative)
*  Includes early Tamar estimate of 0.9 Tcf,  
net. Net mean estimate as of Feb 2009  
is approximately 1.6 Tcf.

225
225

200
200

175
175

150
150

125
125

100
100

2400
2400

2100
2100

1800
1800

1500
1500

1200
1200

900
900

600
600

800
800

650
650

500
500

350
350

200
200

50
50

04
04

05
05

06
06

07
07

08
08

04
04

05
05

06
06

07
07

08
08

04
04

05
05

06
06

07
07

08
08

2008 reserves

US LIQUIDS 23%
US LIQUIDS 23%

US GAS 36%
US GAS 36%

INTERNATIONAL
INTERNATIONAL
LIQUIDS 13%
LIQUIDS 13%

INTERNATIONAL GAS 28%
INTERNATIONAL GAS 28%

90051easD2R2.nar.indd   7

3/5/09   10:51:07 PM

Operating & Financial Data - 2008 annual repOrt 

OPERATING DATA 

Year-End Proved Reserves

08 

07 

06 

05 

04

Natural Gas (Bcf) 

Liquids (MMBbls) 

Total (MMBoe) 

  3,315 

  3,307 

  3,231 

  3,091 

  1,987

 311  

 864  

 329  

 880  

 296  

 835  

 291  

 806  

 193

 525

Sales Volumes

Average Sales Price

Natural Gas (Bcf) 

Liquids (MMBbls) [1] 

Total (MMBoe) 

281  

 31  

 79  

 251  

 227  

 186  

 134

 31  

 73  

 30  

 68  

 22  

 53  

 17

 39

Natural Gas (per Mcf) 

$  5.04 

$  5.26 

$  5.55 

$  5.78 

$  4.76

Crude Oil (per Bbl) [2] 

$  82.60 

$  60.61 

$  54.47 

$  45.35 

$  34.48

FINANCIAL DATA 
(In millions, except per share amounts and ratios)

08 

07 

06 

05 

04

Revenues 

Net Income 

Earnings per Common 
Share Diluted

Weighted Average Common  
Shares Diluted

$  3,901 

$  3,272 

$  2,940 

$  2,187 

$  1,351

$  1,350 

$  944 

$ 

678 

$  646 

$ 

329

$  7.58 

$  5.45 

$  3.79 

$  4.12 

$  2.78

176  

 173  

 179  

 157  

118

Cash Dividend per Common Share  $  0.66 

$  0.44 

$  0.28 

$  0.15 

$  0.10

Net Cash Provided by  
Operating Activities

$  2,285 

$  2,017 

$  1,730 

$  1,240 

$ 

708

Capital Expenditures [3] 

$  2,264 

$  1,739 

$  1,347 

$  890 

$ 

629

Total Assets 

Total Debt  

$ 12,384 

$ 10,831  $  9,589 

$  8,878 

$  3,436

$  2,266 

$  1,876 

$  1,801 

$  2,031 

$ 

880

Stockholders’ Equity 

$  6,309 

$  4,809 

$  4,114 

$  3,090 

$  1,460

Total Debt-to-Book-Capital Ratio 

26% 

28% 

30% 

40% 

38%

Debt per BOE 

$  2.62   $  2.13 

$  2.16 

$  2.52 

$  1.68

[1] Includes Sales from Equity Investee Condensate and Liquified Petroluem Gas (LPG) 
[2] Excludes Equity Investee Condensate and LPG Sales Volumes and Prices 
[3] Excludes Corporate Acquisitions

90051easD2R2.nar.indd   8

3/5/09   10:51:10 PM

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
UNITED STATES 
SECURITIES AND EXCHANGE COMMISSION 
WASHINGTON, D.C. 20549 
FORM 10-K 

(Mark One) 
⌧ 

ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE 
ACT OF 1934 

(cid:134) 

For the fiscal year ended December 31, 2008 
or 
TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES 
EXCHANGE ACT OF 1934 

For the transition period from          to 
Commission file number: 001-07964 

NOBLE ENERGY, INC. 
(Exact name of registrant as specified in its charter) 

Delaware 
(State of incorporation) 
100 Glenborough Drive, Suite 100 
Houston, Texas 
(Address of principal executive offices) 

73-0785597 
(I.R.S. employer identification number) 

77067 
(Zip Code) 

(281) 872-3100 
(Registrant’s telephone number, including area code) 
Securities registered pursuant to section 12(b) of the Act: 

Title of each class 
Common Stock, $3.33-1/3 par value 
Preferred Stock Purchase Rights 

Name of each exchange on which registered 
New York Stock Exchange 
New York Stock Exchange 

Securities registered pursuant to section 12(g) of the Act: None 
Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities 
Act. ⌧ Yes (cid:134) No 
Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the 
Act. (cid:134) Yes ⌧ No 
Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of 
the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant 
was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.  
⌧ Yes (cid:134) No 
Indicate by check mark if disclosure of delinquent filers pursuant to Item 405 of Regulation S-K is not contained 
herein, and will not be contained, to the best of the registrant’s knowledge, in definitive proxy or information 
statements incorporated by reference in Part III of this Form 10-K or any amendment to this Form 10-K. ⌧ 
Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer 
or a smaller reporting company. See definitions of “accelerated filer”, “large accelerated filer” and “smaller 
reporting company” in Rule 12b-2 of the Exchange Act. (Check one): 

Large accelerated filer ⌧ 

Accelerated filer (cid:134) 
                                           (Do not check if a smaller reporting company) 

Non-accelerated filer (cid:134) 

Smaller reporting company (cid:134) 

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Act).(cid:134) Yes ⌧ No 
Aggregate market value of Common Stock held by nonaffiliates as of June 30, 2008: $17.2 billion. 
Number of shares of Common Stock outstanding as of February 6, 2009: 172,913,730. 
DOCUMENTS INCORPORATED BY REFERENCE 
Portions of the Registrant’s definitive proxy statement for the 2009 Annual Meeting of Stockholders to be held on 
April 28, 2009, which will be filed with the Securities and Exchange Commission within 120 days after 
December 31, 2008, are incorporated by reference into Part III. 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
TABLE OF CONTENTS 

PART I 

Items 1 and 2.  Business and Properties. .......................................................................................................................1 
Risk Factors........................................................................................................................................19 
Item 1A. 
Unresolved Staff Comments...............................................................................................................24 
Item 1B. 
Legal Proceedings ..............................................................................................................................25 
Item 3. 
Item 4. 
Submission of Matters to a Vote of Security Holders ........................................................................25 
Executive Officers .......................................................................................................................................................25 

Item 5. 

Item 6. 
Item 7. 
Item 7A. 
Item 8. 
Item 9. 
Item 9A. 
Item 9B. 

Item 10. 
Item 11. 
Item 12. 

Item 13. 
Item 14. 

Item 15. 

PART II 

Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of  
Equity Securities.................................................................................................................................27 
Selected Financial Data ......................................................................................................................29 
Management’s Discussion and Analysis of Financial Condition and Results of Operations .............30 
Quantitative and Qualitative Disclosures About Market Risk............................................................55 
Financial Statements and Supplementary Data ..................................................................................56 
Changes in and Disagreements with Accountants on Accounting and Financial Disclosure ...........108 
Controls and Procedures...................................................................................................................108 
Other Information.............................................................................................................................108 

PART III 

Directors, Executive Officers and Corporate Governance ...............................................................109 
Executive Compensation ..................................................................................................................109 
Security Ownership of Certain Beneficial Owners and Management and Related Stockholder   
Matters..............................................................................................................................................109 
Certain Relationships and Related Transactions, and Director Independence .................................109 
Principal Accounting Fees and Services...........................................................................................109 

Exhibits, Financial Statements Schedules ........................................................................................109 

PART IV 

 
 
 
 
 
 
 
 
Items 1 and 2.  Business and Properties 

PART I 

This Annual Report on Form 10-K and the documents incorporated herein by reference contain forward-looking 
statements based on expectations, estimates and projections as of the date of this filing. These statements by their 
nature are subject to risks, uncertainties and assumptions and are influenced by various factors. As a consequence, 
actual results may differ materially from those expressed in the forward-looking statements. For more information, 
see Item 1A. Risk Factors—Disclosure Regarding Forward-Looking Statements of this Form 10-K. 

General 

Noble Energy, Inc. (Noble Energy, we or us) is a Delaware corporation, formed in 1969, that has been publicly 
traded on the New York Stock Exchange (NYSE) since 1980. We are an independent energy company that has been 
engaged in the acquisition, exploration, development, production and marketing of crude oil, natural gas, and natural 
gas liquids (NGLs) since 1932. In this report, unless otherwise indicated or where the context otherwise requires, 
information includes that of Noble Energy and its subsidiaries. We operate primarily in the Rocky Mountains, Mid-
continent, and deepwater Gulf of Mexico areas in the US, with key international operations offshore Israel, the 
North Sea and West Africa.   

Strategy 

Our strategy is to achieve growth in earnings and cash flow through the development of a high quality portfolio of 
producing assets that is balanced between US and international projects. Strategic acquisitions of Patina Oil & Gas 
Corporation (Patina) in 2005 and U.S. Exploration Holdings, Inc. (U.S. Exploration) in 2006, along with additional 
capital investment in US and international locations, have resulted in substantial growth in the last several years. 
Acquisitions and capital investment, combined with the sale of non-core assets, have allowed us to achieve a 
strategic objective of enhancing our US asset portfolio, resulting in a company with assets and capabilities that 
include growing US basins coupled with a significant portfolio of international properties. See Item 6. Selected 
Financial Data for additional financial and operating information for fiscal years 2004-2008. 

Proved Reserves 

Proved reserves estimates at December 31, 2008 were as follows: 

United States
Crude oil, condensate and NGLs (MMBbls)
Natural gas (Bcf)
Total US (MMBoe) (1)
International
Crude oil, condensate and NGLs (MMBbls)
Natural gas (Bcf)
Total International (MMBoe) (1)
Worldwide
Crude oil, condensate and NGLs (MMBbls)
Natural gas (Bcf)
Total Worldwide (MMBoe) (1) (2)

Proved
Developed
Reserves

December 31, 2008
Proved
Undeveloped
Reserves

Total
Proved
Reserves

121
1,268
332

78
1,117
264

199
2,385

596

77
591
176

35
339
92

112
930

268

198
1,859
508

113
1,456
356

311
3,315

864

(1)  Natural gas is converted on the basis of six Mcf of gas per one barrel of oil equivalent. 
(2)  Approximately 69% are proved developed reserves. 

Estimates of Proved Reserves – Proved oil and gas reserves are the estimated quantities of crude oil, natural gas and 
natural gas liquids which geological and engineering data demonstrate with reasonable certainty to be recoverable in 
future years from known reservoirs under existing economic and operating conditions (i.e., prices and costs as of the 
date the estimate is made). Prices include consideration of changes in existing prices provided only by contractual 
arrangements, but not on escalations based upon future conditions. For additional information regarding estimates of 
crude oil and natural gas reserves, including estimates of proved and proved developed reserves, the standardized 
measure  of  discounted  future  net  cash  flows,  and  the  changes  in  discounted  future  net  cash  flows,  see  Item  7. 
Management’s  Discussion  and  Analysis  of  Financial  Condition  and  Results  of  Operations—Critical  Accounting 

1 

                
                  
                
             
                
             
                
                
                
                  
                  
                
             
                
             
                
                  
                
                
                
                
             
                
             
                
                
                
 
Policies  and  Estimates—Reserves  and  Item  8.  Financial  Statements  and  Supplementary  Data—Supplemental  Oil 
and Gas Information. 

Reserve Audit – Engineers in our Houston, Denver and London offices prepare all reserve estimates for our different 
geographical regions. These reserve estimates are reviewed and approved by senior engineering staff and division 
management with final approval by the vice president in charge of corporate reserves and certain members of senior 
management. In each of the years 2008, 2007 and 2006, we retained Netherland, Sewell & Associates, Inc. (NSAI), 
independent third-party reserve engineers, to perform reserve audits of proved reserves. A “reserve audit”, as we use 
the term, is a process involving an independent third-party engineering firm’s visits, collection of any and all 
required geologic, geophysical, engineering and economic data, and such firm’s complete external preparation of 
reserve estimates. Our use of the term “reserve audit” is intended only to refer to the collective application of the 
procedures which NSAI was engaged to perform. The term “reserve audit” may be defined and used differently by 
other companies. 

The reserve audit for 2008 included a detailed review of 18 of our major international, deepwater Gulf of Mexico 
and onshore US fields, which covered approximately 79% of US proved reserves and 97% of international proved 
reserves (86% of total proved reserves). The reserve audit for 2007 included a detailed review of 16 of our major 
international, deepwater Gulf of Mexico and onshore US fields, which covered approximately 71% of US proved 
reserves and 96% of international proved reserves (81% of total proved reserves). The reserve audit for 2006 
included a detailed review of 14 of our major international, deepwater Gulf of Mexico and onshore US fields, which 
covered approximately 80% of our total proved reserves.  

In connection with the 2008 reserve audit, NSAI prepared its own estimates of our proved reserves. In order to 
prepare its estimates of proved reserves, NSAI examined our estimates with respect to reserve quantities, future 
producing rates, future net revenue, and the present value of such future net revenue. NSAI also examined our 
estimates with respect to reserve categorization, using the definitions for proved reserves set forth in Regulation S-X 
Rule 4-10(a) and subsequent Securities and Exchange Commission (SEC) staff interpretations and guidance. In the 
conduct of the reserve audit, NSAI did not independently verify the accuracy and completeness of information and 
data furnished by us with respect to ownership interests, oil and gas production, well test data, historical costs of 
operation and development, product prices, or any agreements relating to current and future operations of the fields 
and sales of production. However, if in the course of the examination something came to the attention of NSAI 
which brought into question the validity or sufficiency of any such information or data, NSAI did not rely on such 
information or data until it had satisfactorily resolved its questions relating thereto or had independently verified 
such information or data. NSAI determined that our estimates of reserves conform to the guidelines of the SEC, 
including the criteria of “reasonable certainty,” as it pertains to expectations about the recoverability of reserves in 
future years, under existing economic and operating conditions, consistent with the definition in Rule 4-10(a)(2) of 
Regulation S-X. NSAI issued an unqualified audit opinion on our proved reserves at December 31, 2008, based 
upon its evaluation. The NSAI opinion concluded that our estimates of proved reserves were, in the aggregate, 
reasonable and have been prepared in accordance with generally accepted petroleum engineering and evaluation 
principles. 

The fields audited by NSAI are chosen in accordance with company guidelines and result in the audit of a minimum 
of 80% of our total proved reserves. The fields are chosen by senior engineering staff and division management with 
approval by the vice president in charge of corporate reserves and certain members of senior management, and are 
reviewed by the Board of Directors.   

When compared on a field-by-field basis, some of our estimates are greater and some are less than the estimates of 
NSAI. Given the inherent uncertainties and judgments that go into estimating proved reserves, differences between 
internal and external estimates are to be expected. On a quantity basis, the NSAI field estimates ranged from two 
MMBoe above to 14 MMBoe below as compared with our estimates. On a percentage basis, the NSAI field 
estimates ranged from 10% above our estimates to 14% below our estimates. Differences between our estimates and 
those of NSAI are reviewed for accuracy but are not further analyzed unless the aggregate variance is greater than 
10%. At December 31, 2008, reserves differences, in the aggregate, were less than 29 MMBoe, or 4%. 

Since January 1, 2008, no crude oil or natural gas reserve information has been filed with, or included in any report 
to, any federal authority or agency other than the SEC and the Energy Information Administration (EIA) of the US 
Department of Energy. We file Form 23, including reserve and other information, with the EIA. 

Recent SEC Rule-Making Activity – In December 2008, the SEC announced that it had approved revisions to 
modernize its oil and gas company reporting requirements. See Item 8. Financial Statements and Supplementary 
Data – Supplemental Oil and Gas Information.   

2 

Acquisition and Divestiture Activities 

We maintain an ongoing portfolio optimization program. Accordingly, we may engage in acquisitions of additional 
crude oil or natural gas properties and related assets through either direct acquisitions of the assets or acquisitions of 
entities owning the assets. We may also divest non-core assets in order to optimize our property portfolio. 

Mid-continent Acquisition – In July 2008, we acquired producing properties in western Oklahoma for $292 million 
in cash. Properties acquired cover approximately 15,500 net acres and are currently producing a net 20 MMcfepd. 
The total purchase price has been preliminarily allocated to the proved and unproved properties acquired based on 
fair values at the acquisition date. Approximately $254 million was allocated to proved properties and $38 million to 
unproved properties. 

Sale of Argentina Assets – In February 2008, we closed on the sale of our interest in Argentina for a sales price of 
$117.5 million, effective July 1, 2007. The gain on sale has been deferred as the sale is contingent upon approval of 
the Argentine government. Our crude oil reserves for Argentina totaled 7 MMBbls at December 31, 2007. 

Sale of Gulf of Mexico Shelf Properties – In 2006, we sold all of our significant Gulf of Mexico shelf properties 
except for the Main Pass area, which required repairs related to hurricane damage at the time. As of the effective 
date of the sale, proved reserves for the Gulf of Mexico properties sold totaled approximately 7 MMBbls of crude 
oil and 110 Bcf of natural gas. Deepwater Gulf of Mexico and Gulf Coast onshore areas remain core areas and are 
more aligned with our long-term business strategies. See Item 8. Financial Statements and Supplementary Data—
Note 4—Acquisitions and Divestitures. 

U.S. Exploration Acquisition – In 2006, we acquired U.S. Exploration, a privately held corporation, for $412 million 
in cash plus liabilities assumed. U.S. Exploration’s reserves and production are located primarily in Colorado’s 
Wattenberg field. This acquisition significantly expanded our operations in one of our core areas. Proved reserves of 
U.S. Exploration at the time of acquisition were approximately 234 Bcfe, of which 38% were proved developed and 
55% natural gas. Proved crude oil and natural gas properties were valued at $413 million and unproved properties 
were valued at $131 million. In addition, we recorded $34 million of goodwill. See Item 8. Financial Statements and 
Supplementary Data—Note 4—Acquisitions and Divestitures. 

Patina Merger – In 2005, we acquired Patina through merger (Patina Merger) for a total purchase price of 
$4.9 billion. Patina’s long-lived crude oil and natural gas reserves provide a significant inventory of low-risk 
opportunities that balanced our portfolio. Patina’s proved reserves at the time of acquisition were estimated to be 
approximately 1.6 Tcfe, of which 72% were proved developed and 67% natural gas. Proved crude oil and natural 
gas properties were valued at $2.6 billion and unproved properties were valued at $1.1 billion. In addition, we 
recorded $875 million of goodwill. 

Crude Oil and Natural Gas Properties and Activities 

We search for crude oil and natural gas properties, seek to acquire exploration rights in areas of interest and conduct 
exploratory activities. These activities include geophysical and geological evaluation and exploratory drilling, where 
appropriate, on properties for which we have acquired exploration rights. Our properties consist primarily of 
interests in developed and undeveloped crude oil and natural gas leases and concessions. We also own natural gas 
processing plants and natural gas gathering and other crude oil and natural gas related pipeline systems which are 
primarily used in the processing and transportation of our crude oil, natural gas and NGL production. 

2009 Budget 

Due to the uncertain economic and commodity price environment, we have designed a flexible capital spending 
program that will be responsive to conditions that develop during 2009. See Item 7. Management’s Discussion and 
Analysis of Financial Condition and Results of Operations – 2009 Outlook – 2009 Budget. 

United States 

We have been engaged in crude oil and natural gas exploration, exploitation and development activities throughout 
onshore US since 1932 and in the Gulf of Mexico since 1968. The Patina Merger and the acquisition of U.S. 
Exploration significantly increased the breadth of our onshore operations, especially in the Rocky Mountains and 
Mid-continent areas. These two acquisitions, along with other acquisitions of producing and non-producing 
properties, have provided us with a multi-year inventory of exploitation and development opportunities. In 2008, we 
continued to expand our undeveloped acreage position with the leasing of approximately 502,000 net acres in 
Colorado, Kansas, Montana, Wyoming, East Texas and Oklahoma, along with 15 new leases in the deepwater Gulf 
of Mexico.  

US operations accounted for 56% of our 2008 consolidated sales volumes and 59% of total proved reserves at 
December 31, 2008. Approximately 61% of the proved reserves are natural gas and 39% are crude oil, condensate 

3 

and NGLs. Our onshore US portfolio at December 31, 2008 included 996,000 net developed acres and 1.3 million 
net undeveloped acres. We currently hold interests in 93 offshore blocks in the Gulf of Mexico.  

Sales of production and estimates of proved reserves for our significant US operating areas were as follows: 

Year Ended December 31, 2008
Sales Volumes

Crude Oil Natural Gas
(MMcfpd)
(MBopd)

NGLs
(MBpd)

Total
(MBoepd)

December 31, 2008
Proved Reserves
Crude Oil (1) Natural Gas
(MMBbls)

(Bcf)

Total
(MMBoe)

Northern Region
Wattenberg field
Piceance basin
Niobrara field (Tri-state area)
Mid-continent area
Other
Total
Southern Region
Deepwater Gulf of Mexico
Gulf Coast onshore and other
Total 
Total United States

(1) 

 Includes NGLs. 

15
-
-
7
-
22

13
5
             18 
40

146
39
26
72
25
308

49
38
87
395

5
-
-
1
-
6

3
-
3
9

45
7
4
20
4
80

24
12
36
116

118
-
-
37
1
156

19
23
42
198

842
263
109
336
122
1,672

64
123
187
1,859

259
44
18
93
21
435

29
44
73
508

Wells drilled in 2008 and productive wells at December 31, 2008 for our significant US operating areas were as 
follows: 

Northern Region
Wattenberg field
Piceance basin
Niobrara field (Tri-State area)
Mid-continent area
Other
Total
Southern Region
Deepwater Gulf of Mexico
Gulf Coast onshore and other
Total 
Total United States

Year Ended
December 31, 2008
Gross Wells Drilled/
Participated in

December 31, 2008
Gross 
Productive Wells

558
125
243
93
31
1,050

3
70
73
1,123

5,731
238
982
4,178
1,273
12,402

12
1,073
1,085
13,487

4 

 
            
             
              
           
          
       
       
               
               
               
             
               
       
         
               
               
               
             
               
       
         
              
               
              
           
            
       
         
               
               
               
             
              
       
         
            
             
              
           
          
    
       
            
               
              
           
            
         
         
              
               
               
           
            
       
         
               
              
           
            
       
         
            
             
              
         
          
    
       
 
            
                          
            
                             
            
                             
              
                          
              
                          
         
                        
                
                               
              
                          
              
                          
         
                        
 
Northern Region—The Northern region consists of our operations in the Rocky Mountains area, which includes the 
Denver-Julesburg (D-J) (Wattenberg field), Piceance, San Juan, and Wind River basins, as well as the Niobrara (Tri-
State), Bowdoin and Siberia Ridge fields. The Northern region also includes the Mid-continent area, consisting of 
properties in the Texas Panhandle, Oklahoma and Kansas. The Rocky Mountains area is one of our core operating 
assets. During 2008, we acquired a total of approximately 490,000 net acres in southern Montana, the Mid-continent 
area and the Niobrara and Wattenberg fields.   

Wattenberg Field—The Wattenberg field (approximately 96% operated working interest), located in the D-J basin of 
north central Colorado, is our largest onshore US field and continues to grow. We acquired working interests in the 
Wattenberg field through the Patina Merger in 2005 and acquisition of U.S. Exploration in 2006. The Wattenberg 
field held 51% of our US proved reserves on December 31, 2008.  

One of the most attractive features of the field is the presence of multiple productive formations, which include the 
Codell, Niobrara, and J-Sand formations, as well as the D-Sand, Dakota and the shallower Shannon, Sussex and 
Parkman formations. Drilling in the Wattenberg field is considered lower risk from the perspective of finding crude 
oil and natural gas reserves.  

Our current field activities are focused primarily on the improved recovery of reserves through drilling new wells or 
deepening within existing wellbores, recompleting the Codell formation within existing J-Sand wells, refracturing or 
trifracturing existing Codell wells and refracturing or recompleting the Niobrara formation within existing Codell 
wells. A refracture consists of the restimulation of a producing formation within an existing wellbore to enhance 
production and add incremental reserves. A trifracture is effectively a refracture of a refracture. These projects and 

5 

 
    
 
continued success with our production enhancement program, which includes well workovers, reactivations, and 
commingling of zones, allow us to increase production and add proved reserves to what is considered a mature field. 

We continue to improve efficiencies in Wattenberg field drilling and completion operations and have significantly 
reduced drilling time by utilizing the latest available technology, including automatic drilling rigs (ADRs). An ADR 
uses an automated system to regulate the drill string of a drilling rig in response to current drilling conditions, 
including drilling fluid pressure, bit weight, drill string torque, and drill string revolutions per minute to achieve an 
optimal rate of bit penetration.  

In 2008, we drilled or participated in 558 Wattenberg field development wells, with a 99.8% success rate and added 
approximately 186 Bcfe of proved reserves approximately 59% of which were natural gas.  At year-end, we were 
running six drilling rigs and 15 completion units in the field. 

We have experienced significant growth in production from the Wattenberg field, from an average of 199 MMcfepd 
at year-end 2005 to approximately 268 MMcfepd at year-end 2008. Approximately 54% of 2008 production was 
natural gas. However, expansion of field boundaries has resulted in a 110% increase in our crude oil and NGL 
stream since year-end 2005. In 2008, sales of Wattenberg field production accounted for 39% of total US sales 
volumes. 

The infrastructure in this area is improving and expanding. Oil transport alternatives should improve in 2009 with 
the expected start up of a new interstate crude oil transportation pipeline system which will run from Weld County, 
Colorado, where the Wattenberg field is located, to Cushing, Oklahoma. The pipeline, in which we own a small 
equity interest, will provide another option for the marketing of our crude oil. We have entered into a five-year 
throughput agreement with the pipeline. 

We continue to acquire acreage in the area and held interests in approximately 332,000 net acres at year-end 2008. 
We are planning an active capital program in 2009; however, our program may decrease from 2008 levels.  We will 
have the flexibility with short-term drilling rig contracts to decrease activity if economic conditions continue to 
decline. We will continue to have a strong focus on Codell/Niobrara new drills.  Additionally, we have a substantial 
project inventory remaining and plan to continue steady refracture, trifracture, and recompletion programs in 2009. 

Piceance Basin—The Piceance basin in western Colorado (approximately 93% operated working interest) is another 
core area for us. It is a major North American natural gas basin, characterized by low-porosity rock. The primary 
productive formation is the Mesaverde Williams Fork formation.  Multiple wells are drilled from individual drilling 
pads to reduce rig mobilization costs in mountainous terrain and to minimize environmental impact on the surface 
area.  Well spacing is approximately ten acres per well. 

As in the Wattenberg field, Piceance basin drilling time per well has been reduced significantly due to our increased 
use of improved drilling technology. In the Piceance basin, we are using new fit-for-purpose rigs which include 
design innovations and technology improvements that capture incremental time savings during all phases of the well 
drilling process, including moving between wells. Fit-for-purpose rigs can drill multiple wells from one location and 
are particularly useful in developing hydrocarbon resources in tight-gas areas such as the Piceance basin.  

In 2008, we increased our drilling activities and drilled or participated in 124 development wells and one 
exploratory well, 100% of which were successful. Our 2008 drilling activity resulted in the addition of 135 Bcfe of 
proved reserves. Successful drilling activity in recent years has led to significant volume growth; production has 
grown from 2 MMcfepd in 2005 to 53 MMcfepd at year-end 2008. 

We have assembled a significant acreage position in the area and currently hold interests in approximately 19,000 
net acres providing a large inventory of future projects. At this time, we plan to operate a two-rig drilling program in 
2009.  

Tri-State Area (Niobrara)—Our operations in the Tri-State area (eastern Colorado, extending into Kansas and 
Nebraska) center primarily around the development of the Niobrara Trend (approximately 88% operated working 
interest). The Niobrara formation is an important shallow gas producer. Since 2006, we have expanded our acreage 
position to over 580,000 net acres.  We have a substantial future project inventory, including Niobrara infill and 
exploitation drilling along with gathering system and compressor station additions to develop reserves and deliver 
new production in 2009.  We are planning an active capital program in 2009; however, our program may decrease 
from 2008 levels.  We will have the flexibility with short-term drilling rig contracts to decrease activity if economic 
conditions continue to decline. 

In 2008, we doubled our drilling activity and drilled or participated in 243 development wells. Increased use of 3-D 
seismic to optimize well locations helped increase our success rate to over 80% in 2008. Our 2008 drilling activity 
resulted in the addition of 35 Bcfe of proved reserves, and we were producing approximately 28 MMcfepd, net at 
year-end.  Short-term drilling rig contracts allow flexibility for our drilling plans if economic conditions continue to 
decline. 

6 

 
Mid-continent Area—The Mid-continent area includes properties in the Texas Panhandle, Oklahoma and Kansas. 
Significant areas of activity have been the Granite Wash development in the Texas Panhandle, infill drilling in 
several of our Oklahoma waterfloods, and deeper completions to the Skinner formation in western Oklahoma. We 
drilled or participated in 92 development wells in 2008, 96% of which were successful and one successful 
exploratory well. The potential for Granite Wash horizontal drilling is currently being evaluated, which, if 
successful, could increase the recovery of reserves in place and daily production rates.     

In July 2008, we expanded into a new area with a 15,500 net acre acquisition in western Oklahoma, which included 
approximately  16  MMboe  of  proved  reserves.  The  target  area  is  the  Cleveland  Sandstone,  a  tight  gas  play 
characterized  by  low-permeability  rock.  Since  acquiring  the  property  we  have  drilled  seven  development  wells 
(included in the well count above). There are currently 56 operated wells on the property producing in aggregate a 
net 20 MMcfepd.  We have the flexibility of operating one to three rigs in 2009 with two rigs currently operating. 

Other—We are also active in the Bowdoin field (approximately 63% operated working interest), located in north 
central Montana; the San Juan basin (approximately 82% operated working interest), located in northwestern New 
Mexico and southwestern Colorado; and the Wind River basin (approximately 74% operated working interest), 
located in central Wyoming. In 2008, we drilled or participated in a total of 31 development wells in these areas, 
100% of which were successful. We plan to have reduced activity in these areas in 2009 as we focus most of our 
capital spending on the core development fields of Wattenberg, Piceance and Tri-State. 

During 2008, we acquired approximately 205,000 net exploratory acres in southern Montana and plan to test the 
area in 2009. 

Southern Region—The Southern region includes the deepwater Gulf of Mexico and onshore areas primarily in 
Texas, Louisiana, Illinois and Indiana. In 2006, we sold all of our significant Gulf of Mexico shelf properties except 
for the Main Pass area, which is currently held for sale. The sale of our shelf properties allowed us to migrate future 
investments and growth from the Gulf of Mexico shelf to the deepwater Gulf of Mexico which we believe is an area 
of higher potential.  

Deepwater Gulf of Mexico—The deepwater Gulf of Mexico is one of our core areas and accounted for 21% of 2008 
US sales volumes and 6% of US proved reserves at December 31, 2008. We currently hold interests in 93 deepwater 
Gulf of Mexico leases, representing approximately 315,000 net acres. We operate approximately 70% of the leases. 

The expansion of our deepwater Gulf of Mexico program began in 2004 with the Ticonderoga discovery and the 
acquisition of additional ownership interests in Swordfish and Lorien. Since then we have continued to expand our 
operations primarily through an active exploration program, expansion of our 3-D seismic database, and lease 
acquisition. Our exploration activities have led to significant discoveries at Isabela and Redrock/Raton, and, most 
recently, Gunflint, a 2008 discovery which is our largest deepwater Gulf of Mexico discovery to date. Participation 
in the 2008 central Gulf of Mexico outer continental shelf sale resulted in our being awarded 15 new deepwater Gulf 
of Mexico leases for approximately $167 million, net to our interest, and allows us to expand our inventory with the 

7 

 
 
 
addition of several new deepwater Gulf of Mexico prospects in the Atwater Valley, Mississippi Canyon, Green 
Canyon, Walker Ridge, and Garden Banks areas.  

In addition to Gunflint, 2008 exploration drilling activities included a well at the Noble-operated Tortuga prospect 
(Mississippi Canyon Blocks 561 and 605; 57% working interest). Although the well was successful in locating 
hydrocarbons, we decided not to develop the prospect due to near-term lease expiration as well as other 
considerations. Accordingly, we impaired the well in the fourth quarter of 2008. We also announced that an 
exploration well at the Stones River prospect (Mississippi Canyon Block 285; 100% working interest) did not 
encounter hydrocarbons in commercial quantities. 

We plan to continue exploration activities in 2009 by conducting a seismic program and drilling two to three 
exploratory wells. 

Our most significant deepwater Gulf of Mexico properties and current development plans are discussed in more 
detail below: 

Gunflint (Mississippi Canyon Block 948; 37.5% working interest) – We originally acquired the block in the 2006 
central Gulf of Mexico outer continental shelf sale and announced the Gunflint crude oil discovery, our largest 
deepwater Gulf of Mexico discovery to date, in October 2008. We are currently acquiring additional seismic 
information and preparing to drill an appraisal well in 2009 or early 2010. We are the operator of the block. 

Isabela (Mississippi Canyon Block 562, 33% working interest) – Isabela was a 2007 discovery and is non-operated. 
Development planning is underway, Phase 1 of which is anticipated to include a producing well with a subsea 
tieback to an existing production facility. Initial production is currently anticipated in 2011. We also have an interest 
in adjacent acreage with additional exploration potential on Mississippi Canyon Blocks 519 and 563 (23.25% 
working interest).  We are currently drilling an exploratory well on Block 519 (Santa Cruz prospect).  

Redrock/Raton (Mississippi Canyon Blocks 204, 248 and 292; 66.67 % working interest) – Redrock was a 2006 
natural gas/condensate discovery and Raton was a 2006 natural gas discovery. The Raton South appraisal well was 
also drilled during 2006.  In 2007, we successfully sidetracked and completed the Raton discovery well and it was 
tied back and came on production in late 2008. In 2008, we drilled a successful sidetrack-appraisal well at Raton 
South, and tie back to a host facility is anticipated in late 2009. Redrock is currently considered a co-development 
candidate to the completed sidetrack well at Raton South. We are the operator of Redrock/Raton. 

Swordfish (Viosca Knoll Blocks 917, 961 and 962; 85% working interest) – Swordfish was a 2001 discovery and 
began producing in 2005. In 2007, we drilled and completed a sidetrack to Viosca Knoll Block 917 #1 well, which 
began production at the end of 2007. The Swordfish project currently includes three producing wells connected to a 
third-party production facility through subea tiebacks. We are the operator of Swordfish.  

Ticonderoga (Green Canyon block 768; 50% working interest) – Ticonderoga is a non-operated 2004 crude oil 
discovery and began producing in 2006. In 2007, we drilled and completed the #3 and #1 ST4 wells to extend and 
enhance production from the field.  The wells came on line first quarter 2008. The project currently includes three 
producing wells connected to existing infrastructure through subea tiebacks.  

Lorien (Green Canyon Block 199; 60% working interest) – Lorien was a 2003 crude oil discovery and began 
producing in 2006.  The project currently includes two producing wells connected to existing infrastructure through 
subea tiebacks. We are the operator of Lorien. 

In September 2008, Hurricanes Gustav and Ike moved through the Gulf of Mexico. Inspection of our facilities and 
equipment indicated there was no major damage from the hurricanes, although damage to third party processing and 
pipeline facilities has slowed reinstatement of production from our Gulf of Mexico assets, including Lorien and 
Ticonderoga. Approximately 8.5 MBoepd of production remained shut-in at year-end. We expect production to 
resume during the first half of 2009, depending on the successful resumption of pipeline and other non-operated 
facilities.  

New Albany Shale—We continue to selectively increase our acreage position in resource plays, including shale 
plays. We have accumulated over 179,000 net acres in the New Albany Shale in the Illinois Basin (approximately 
92% working interest), located in Indiana and Illinois. During 2008, we drilled 11 development wells, 100% of 
which were successful. We also drilled 12 development wells in the Paxton area, 92% of which were successful, and 
seven successful exploration wells on our Round Rock acreage in the Illinois Basin. 

East Texas and North Louisiana—This is an emerging area for us. Recent acquisitions have increased our leasehold 
acreage to approximately 17,700 net acres. In 2008, we drilled seven horizontal James Lime wells and 24 Hosston, 
Travis Peak and Cotton Valley wells, all of which were successful. We also participated in the drilling of one 
successful horizontal Haynesville shale well in North Louisiana.  Our drilling program for 2009 will focus on the 
Haynesville shale. 

8 

 
Other— In addition to the East Texas and North Louisiana programs, we drilled six successful development wells 
within the South Central Robertson Unit in west Texas and two Gulf Coast exploratory wells. 

International 

International operations are significant to our business, accounting for 44% of consolidated sales volumes in 2008 
and 41% of total proved reserves at December 31, 2008. International proved reserves are approximately 68% 
natural gas and 32% crude oil. Operations in Equatorial Guinea, Cameroon, Ecuador, China and Suriname are 
conducted in accordance with the terms of production sharing contracts. Operations in other foreign locations are 
conducted in accordance with concession agreements or licenses. 

Sales of production and estimates of proved reserves for our significant international operating areas are as follows: 

Year Ended December 31, 2008
Sales Volumes

Crude Oil Natural Gas NGL's
(MBpd)
(MMcfpd)
(MBopd)

Total
(MBoepd)

International
West Africa
North Sea
Israel
Ecuador
China
Total consolidated
Equity investee
Total
Equity investee share of
   methanol sales (MMgal)

15
10
-
-
4
29
2
31

206
5
139
22
-
372
-
372

-
-
-
-
-
-
6
6

49
11
23
4
4
91
8
99

119

December 31, 2008
Proved Reserves
Natural Gas
(Bcf)

Crude Oil
(MMBbls)

Total
(MMBoe)

75
23
-
-
15
113

113

978
19
273
180
6
1,456

1,456

238
27
46
30
15
356

356

Wells drilled in 2008 and productive wells at December 31, 2008 in our international operating areas were as 
follows:

International
West Africa
North Sea
Israel
Ecuador
China
Suriname
Total International

Year Ended
December 31, 2008
Gross Wells
Drilled/Participated in

December 31, 2008
Gross
Productive Wells

3
4
-
                 - 
-
1
8

23
26
6
5
15
-
75

9 

 
           
           
             
           
             
          
        
           
               
             
           
             
            
          
              
           
             
           
                
          
          
              
             
             
             
                
          
          
             
                
             
             
             
              
          
           
           
             
           
           
       
        
             
                
             
             
           
           
             
           
           
       
        
         
 
                
                               
                
                               
                 
                                 
                                 
                 
                               
                
                                  
                
                               
 
West Africa (Equatorial Guinea and Cameroon)—Operations in West Africa accounted for 54% of 2008 
consolidated international sales volumes and 67% of international proved reserves at December 31, 2008. At 
December 31, 2008, we held approximately 15,000 net developed acres and 250,000 net undeveloped acres in 
Equatorial Guinea and 563,000 net undeveloped acres in Cameroon.  In 2008, approximately 190,000 gross 
undeveloped acres were relinquished in Equatorial Guinea pursuant to contract terms. 

We began investing in West Africa in the early 1990’s. Activities center around our 34% non-operated working 
interest in the Alba field, offshore Equatorial Guinea, which is one of our most significant assets. Operations include 
the Alba field and related production and condensate facilities, a methanol plant, and an onshore LPG processing 
plant (both located on Bioko Island) where additional condensate is produced. The methanol plant is capable of 
producing up to 3,000 MTpd gross. 

We sell our share of natural gas production from the Alba field to the LPG plant, the methanol plant and an 
unaffiliated LNG plant. The LPG plant is owned by Alba Plant LLC (Alba Plant) in which we have a 28% interest 
accounted for by the equity method. The methanol plant is owned by Atlantic Methanol Production Company, LLC 
(AMPCO) in which we have a 45% interest accounted for by the equity method. The methanol plant purchases 
natural gas from the Alba field under a contract that runs through 2026. AMPCO subsequently markets the produced 
methanol to customers in the US and Europe. We sell our share of condensate produced in the Alba field and from 
the LPG plant under short-term contracts at market-based prices.  

West Africa Exploration Activities — We have conducted a successful exploration and appraisal drilling program in 
West Africa, which centers around Blocks O and I, offshore Equatorial Guinea, and the PH-77 license, offshore 
Cameroon. We are the technical operator on Block O (45% working interest) and Block I (40% working interest) 
and the operator on the PH-77 license (50% working interest).  

Our first discovery occurred in October 2005, when we announced successful test results from the O-1 (Belinda) 
exploration well offshore Equatorial Guinea. In 2007, we drilled seven wells, resulting in three new discoveries and 
three successful appraisal wells. In 2008, we announced successful results from the I-5 Benita oil appraisal well on 
Block I; the Felicita, a condensate and natural gas discovery on Block O; and the Diega, a gas condensate and oil 
discovery on Block I.  In February 2009, we announced a successful oil discovery on Block O at the Carmen 
prospect.   

We are in the process of assessing our options to commercialize our discoveries in the region. Engineering studies 
are underway, and we expect to utilize a phased-in approach for development.  A development plan for the Benita 
discovery on Block I was submitted to the Equatorial Guinean government in December 2008, and we await their 
approval. We anticipate sanction of the Benita project to occur in 2009, with first oil production planned for 2012. 

10 

 
 
 
The Benita development is expected to include subsea tie-backs to a floating production, storage and offloading 
vessel (FPSO). We are also evaluating options for natural gas production and marketing. 

North Sea—Operations in the North Sea (the Netherlands and the UK) comprise another core international asset. 
We have been conducting business in the North Sea since 1996 and currently have working interests in 18 licenses 
with working interests ranging from 7% to 40%. We are the operator of one block.  The North Sea accounted for 
13% of 2008 consolidated international sales volumes and 8% of international proved reserves at December 31, 
2008. During 2008, we relinquished approximately 159,000 gross undeveloped acres. At December 31, 2008, we 
held approximately 6,000 net developed acres and 54,000 net undeveloped acres. 

We produce from the Dumbarton, MacCulloch, Hanze, Cook and other fields. Most of our production is from the 
non-operated Dumbarton Phase I development (30% working interest) in blocks 15/20a and 15/20b in the UK sector 
of the North Sea. The Dumbarton development, which was completed and began production in 2007, includes a 
subsea tie-back to the GP III, an FPSO in which we own a 30% interest.  

In 2008, we continued the development of Dumbarton (30% working interest) with Phase 2. Phase 2 involves 
drilling up to six new horizontal production wells and up to two water disposal wells. The first two wells in Phase 2 
were brought online in 2008, increasing the total field production to approximately 40,000 Bopd, gross. With the 
additional two wells, Dumbarton now has seven horizontal producers and two water injection wells. Phase 2 drilling 
will continue into 2009.  As part of the project we plan to participate in the development of the Lochranza discovery 
in block 15/20a (30% working interest) which includes drilling two horizontal production wells which will be tied 
back to the Dumbarton subsea facilities. 

During 2008, we also participated in drilling the Morgan exploratory well, in the UK Central North Sea (40% 
working interest). The well did not contain hydrocarbons in commercial quantities. 

Israel—Operations in Israel accounted for 25% of 2008 consolidated international sales volumes and 13% of 
international proved reserves at December 31, 2008. At December 31, 2008, we held approximately 29,000 net 
developed acres and 807,000 net undeveloped acres located between 10 and 60 miles offshore Israel in water depths 
ranging from 700 feet to 5,500 feet. Our leasehold position in Israel includes one preliminary permit, two leases and 
three licenses.  We are the operator of our Israel properties. 

We have been operating in the Mediterranean Sea, offshore Israel, since 1998, and the Mari-B field (47% working 
interest) is one of our core international assets. The Mari-B field is the first offshore natural gas production facility 
in Israel and has peak field deliverability of approximately 600 MMcfpd from six wells. In 2008, we commissioned 
a permanent onshore receiving terminal in Ashdod for distribution of natural gas from the Mari-B field to 
purchasers. 

Natural gas sales began in 2004 and have increased steadily as Israel’s natural gas infrastructure has developed. 
Average sales volumes have risen from 48 MMcfpd in 2004 to 139 MMcfpd in 2008. The Israel Electric 
Corporation Limited (IEC) is our largest purchaser. The IEC has continued to convert power plants to use natural 
gas as fuel and, in 2008, the IEC power plant at Gezer began purchasing natural gas from us.  We also sell to the 
Bazan Oil Refinery, Delek Independent Power Production and associated desalinization plant, and a paper mill. In 
2008, we entered a new five-year natural gas sales contract with Israel Chemicals Ltd, with sales expected to begin 
in 2009. In addition, the IEC power plant at Hagit is expected to begin purchasing natural gas from us in 2009. 
Imports of natural gas from Egypt to Israel began in 2008. However, there is still potential for significant new sales 
in the future as the Israeli infrastructure and markets continue to expand.  

We are continuing exploration activities in Israel. In fourth quarter 2008, we began drilling an exploration well to 
test the Tamar prospect (36% working interest), offshore northern Israel, and in January 2009, we announced a very 
significant natural gas discovery at Tamar.  In February 2009, we announced a successful test of production flow 
rates at Tamar as well as our plans to drill an appraisal well later in the year.  We have conducted additional seismic 
activities in the area and are conducting a compression study at the Mari-B field. 

Other International—Other international at December 31, 2008 includes the following:  

Ecuador—Operations in Ecuador accounted for 4% of 2008 consolidated international sales volumes and 8% of 
international proved reserves at December 31, 2008. The concession covers approximately 12,000 net developed 
acres and 852,000 net undeveloped acres. 

We have been operating in Ecuador since 1996. We utilize natural gas from the Amistad field (offshore Ecuador) to 
generate electricity through a 100%-owned natural gas-fired power plant, located near the city of Machala. The 
Machala power plant, which began operating in 2002, is a single cycle generator with a capacity of 130 MW from 
twin turbines. It is the only natural gas-fired commercial power generator in Ecuador and currently one of the lowest 
cost producers of thermal power in the country. The Machala power plant connects to the Amistad field via a 
40-mile pipeline. In 2008, power generation totaled 749 GW hours. 

11 

 
China — We have been engaged in exploration and development activities in China since 1996 with production 
beginning in 2003. We are operator for the joint operating group of the Cheng Dao Xi field (57% working interest), 
which is located in the shallow water of the southern Bohai Bay. In 2008, activities consisted primarily of workover 
operations, including installations of electric submersible pumps. China accounted for 4% of 2008 consolidated 
international sales volumes and 4% of international proved reserves at December 31, 2008. At December 31, 2008, 
we held approximately 4,000 net developed acres and no undeveloped acres. The Supplemental Development Plan, 
which is designed to further develop the Cheng Dao Xi field through additional drilling and facilities construction, 
has received all necessary governmental approvals.  

Suriname — Suriname, a country located on the northern coast of South America, represents a new exploration area 
for us. We have entered into participation agreements on non-operated Block 30 (45% working interest) and on 
Block 32 (100% working interest), which combined cover approximately 6.4 million net acres offshore. During 
2008, we participated in the drilling of an exploratory well on the West Tapir prospect on Block 30. The well, which 
did not contain hydrocarbons in commercial quantities, was the first well to be drilled offshore Suriname in over 20 
years and the drilling results will allow us to evaluate and improve our understanding of the basin. We will 
incorporate the findings into our geological and geophysical interpretations, which will influence our risk 
assessment of the remaining prospects. 

12 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Sales Volumes, Price and Cost Data—Sales volumes, price and cost data are as follows: 

Sales Volumes

Average Sales Price

Production Cost

Crude Oil Natural Gas NGLs Crude Oil
MBopd (1) MMcfpd MBpd Per Bbl (2)

Natural Gas
Per Mcf (2)

NGLs
Per Bbl

Per BOE (3)

Average

Year Ended December 31, 2008
United States
West Africa (4) (5)
North Sea
Israel
Ecuador
Other International (6)
Total Consolidated Operations
Equity Investee (7)
Total
Year Ended December 31, 2007
United States
West Africa (4) (5)
North Sea
Israel
Ecuador
Other International (6)
Total Consolidated Operations
Equity Investee (7)
Total
Year Ended December 31, 2006
United States
West Africa (4) (5)
North Sea
Israel
Ecuador
Other International (6)
Total Consolidated Operations
Equity Investee (7)
Total

40

15
10
-
-

4
69

2
71

42

15
13
-
-

7
77

2
79

46

18
4
-
-

7
75

2
77

395

206
5
139
22

-
767

-
767

412

132
6
111
26

-
687

-
687

452

45
8
93
25

-
623

-
623

9

$     

75.53

$   

8.12

$ 
50.15

$ 

10.43

-
-
-
-

-
9

88.95
100.56
-
-

82.66
82.60

0.27
10.54
3.10
-

-
5.04

6
15

96.77
82.96

$     

-
5.04

$   

-
-
-
-

-
50.15

58.81
$ 
53.45

-

-
-
-
-

-
-

6
6

-

-
-
-
-

-
-

6
6

$     

53.22

$   

7.51

71.27
76.47
-
-

53.69
60.61

0.29
6.54
2.79
-

-
5.26

-

-
-
-
-

-
-

74.87
60.94

$     

-
5.26

$   

48.87
$ 
48.87

$     

50.68

$   

6.61

62.51
67.43
-
-

52.05
54.47

0.37
8.00
2.72
-

-
5.55

-

-
-
-
-

-
-

66.60
54.75

$     

-
5.55

$   

40.10
$ 
40.10

2.17
14.30
1.07
-

15.94
7.84

$   

$   

8.49

2.89
9.81
1.14
-

12.06
6.99

$   

$   

8.12

2.86
10.08
1.60
-

9.74
6.97

$   

(1) 

In 2008, volumes include the effect of crude oil sales in excess of volumes produced of 1 MBopd in West 
Africa. During 2007, crude oil sales volumes equaled volumes produced. In 2006, volumes include the effect of 
crude oil sales in excess of volumes produced of 1 MBopd in West Africa and  crude oil sales less than volumes 
produced of 1 MBopd in other international.  

(2)  Average crude oil sales prices for the US reflect reductions of $22.06 per Bbl (2008), $13.68 per Bbl (2007), 
and $11.41 per Bbl (2006) from hedging activities. Average crude oil sales prices for West Africa reflect 
reductions of $7.59 per Bbl (2008) and $2.19 per Bbl (2007) from hedging activities. We did not hedge West 
Africa crude oil sales in 2006. Average natural gas sales prices in the US reflect an increase of $0.23 per Mcf 
(2008), an increase of $1.12 per Mcf (2007), and a reduction of $0.25 per Mcf (2006) from hedging activities. 
(3)  Average production costs include oil and gas operating costs, workover and repair expense, production and ad 

valorem taxes, and transportation expense. 

(4)  Natural gas from the Alba field in Equatorial Guinea is under contract for $0.25 per MMBtu to a methanol 

plant, an LPG plant and an LNG plant. Sales to these plants are based on a BTU equivalent and then converted 
to a dry gas equivalent volume. The methanol and LPG plants are owned by affiliated entities accounted for 
under the equity method of accounting. The volumes produced by the LPG plant are included in the crude oil 
information. The price on an Mcf basis has been adjusted to reflect the Btu content of gas sales. 

13 

 
            
           
         
            
           
          
       
     
          
     
            
               
          
     
   
          
   
              
           
          
           
     
          
     
              
             
          
           
       
          
           
              
                
          
       
       
          
   
            
           
         
       
     
   
              
                
         
       
       
   
            
           
       
          
          
          
       
     
          
     
          
       
     
          
     
              
          
               
     
          
     
              
          
               
           
          
           
                
          
       
           
          
   
          
       
     
          
                
         
       
           
   
         
          
          
          
       
     
          
     
          
       
     
          
   
              
          
               
     
          
     
              
          
               
           
          
           
                
          
       
           
          
     
          
       
     
          
                
         
       
           
   
         
  
(5)  Equatorial Guinea natural gas volumes include sales to the LNG plant of 163 MMcfpd for 2008 and 78 

MMcfpd for 2007.  There were no natural gas sales to the LNG plant before 2007.  

(6)  Other International crude oil volumes include China and Argentina (through February 2008). Other 

International natural gas volumes include Argentina (through February 2008).  

(7)  Volumes represent sales of condensate and LPG from the LPG plant in Equatorial Guinea.  

Revenues from sales of crude oil and natural gas have accounted for 90% or more of consolidated revenues for each 
of the last three fiscal years. 

At December 31, 2008, our operated properties accounted for approximately 61% of our total production. Being the 
operator of a property improves our ability to directly influence production levels and the timing of projects, while 
also enhancing our control over operating expenses and capital expenditures. 

Productive Wells—The number of productive crude oil and natural gas wells in which we held an interest as of 
December 31, 2008 was as follows: 

United States 

Northern Region
Southern Region

West Africa
North Sea
Israel
Ecuador
China
Total

Crude Oil Wells
Net

Gross

Natural Gas Wells
Net
Gross

Total

Gross

Net

7,567
833
3
17
-
-
14
8,434

5,853.8
796.0
1.2
3.5
-
-
8.0
6,662.5

4,835
252
20
9
6
5
1
5,128

3,384.6
105.7
7.7
1.2
2.8
5.0
0.6
3,507.6

12,402
1,085
23
26
6
5
15
13,562

9,238.4
901.7
8.9
4.7
2.8
5.0
8.6
10,170.1

Multiple Completions 

-

-

16

3.3

16

3.3

Productive wells are producing wells and wells capable of production. A gross well is a well in which a working 
interest is owned. The number of gross wells is the total number of wells in which a working interest is owned. A 
net well is deemed to exist when the sum of fractional ownership working interests in gross wells equals one. The 
number of net wells is the sum of the fractional working interests owned in gross wells expressed as whole numbers 
and fractions thereof. Wells with multiple completions are counted as one well in the table above. 

Developed and Undeveloped Acreage—Developed and undeveloped acreage (including both leases and 
concessions) held at December 31, 2008 was as follows: 

United States
Onshore
Offshore
Total United States

International
Equatorial Guinea
Cameroon
North Sea (1)
Israel
Ecuador
China
Suriname
Other International (2)
Total International
Total Worldwide (3)

Developed Acreage
Net
Gross

Undeveloped Acreage 
Gross

Net

(in thousands)

893
103
996

15
-
6
29
12
4
-
-
66
1,062

1,361
556
1,917

618
1,125
266
1,823
852
-
7,740
1,830
14,254
16,171

1,014
300
1,314

250
563
54
807
852
-
6,363
1,142
10,031
11,345

1,352
164
1,516

45
-
48
62
12
7
-
-
174
1,690

14 

 
         
      
         
      
       
      
            
         
            
         
         
         
                
             
              
             
              
             
              
             
                
             
              
             
                 
                 
                
             
                
             
                 
                 
                
             
                
             
              
             
                
             
              
             
         
      
         
      
       
    
                 
                 
              
             
              
             
 
             
                
             
                
                
                
                
                   
             
                
             
                
                  
                  
                
                   
                     
                     
             
                   
                  
                    
                
                     
                  
                  
             
                   
                  
                  
                
                   
                    
                    
                     
                       
                     
                     
             
                
                     
                     
             
                
                
                  
           
              
             
             
           
              
 
 
(1)  The North Sea includes acreage in the UK and the Netherlands. In 2008, we sold our interest in Norway 

acreage consisting of approximately 411,000 gross (127,000 net) undeveloped acres. 

(2)  Other International includes India and Cyprus. 
(3)  Approximately 258,000 gross acres (176,000 net acres) will expire in 2009, 662,000 gross acres (385,000 net 
acres) will expire in 2010, and 1,370,000 gross acres (1,285,000 net acres) will expire in 2011 if production is 
not established or we take no other action to extend the terms. 

Developed acreage is comprised of leased acres that are within an area spaced by or assignable to a productive well. 
Undeveloped acreage is comprised of leased acres with defined remaining terms and not within an area spaced by or 
assignable to a productive well. 

A gross acre is any leased acre in which a working interest is owned. A net acre is comprised of the total of the 
owned working interest(s) in a gross acre expressed in a fractional format. 

Drilling Activity—The results of crude oil and natural gas wells drilled and completed for each of the last three 
years were as follows: 

Net Exploratory Wells

Net Development Wells

Productive

Dry

Total

Productive (1)

Dry

Total

Year Ended December 31, 2008
United States

Northern Region
Southern Region

West Africa
North Sea
Israel
Suriname
Total
Year Ended December 31, 2007
United States

Northern Region
Southern Region

West Africa
North Sea
Israel
Argentina (2)
Total
Year Ended December 31, 2006
United States

Northern Region
Southern Region

West Africa
North Sea
Argentina (2)
Total

1.0
14.6
1.3
-
-
-
16.9

13.9
0.3
2.6
0.5
-
-
17.3

5.5
0.8
-
-

-
6.3

-
2.0

0.4
-
0.5
2.9

1.9
2.6
0.5
-
-
0.1
5.1

4.6
4.4
0.4
-

-
9.4

1.0
16.6
1.3
0.4
-
0.5
19.8

15.8
2.9
3.1
0.5
-
0.1
22.4

10.1
5.2
0.4
-

-
15.7

837.2
30.9
-
0.6
-
-
868.7

738.0
19.6
-
-
0.4
6.7
764.7

521.4
145.2
1.8
1.1

7.6
677.1

42.0
2.0
-
0.3
-
-
44.3

24.5
3.1
-
-
-
-
27.6

4.6
0.9
-
-

-
5.5

879.2
32.9
-
0.9
-
-
913.0

762.5
22.7
-
-
0.4
6.7
792.3

526.0
146.1
1.8
1.1

7.6
682.6

(1)  
 Excludes wells drilled but not yet completed. 
(2)  Our assets in Argentina were sold February 2008. 

A productive well is an exploratory or a development well that is not a dry well. A dry well (hole) is an exploratory 
or a development well found to be incapable of producing either oil or gas in sufficient quantities to justify 
completion as an oil or gas well. 

An exploratory well is a well drilled to find and produce crude oil or natural gas in an unproved area, to find a new 
reservoir in a field previously found to be productive of crude oil or natural gas in another reservoir, or to extend a 
known reservoir. A development well, for purposes of the table above and as defined in the rules and regulations of 
the SEC, is a well drilled within the proved area of a crude oil or natural gas reservoir to the depth of a stratigraphic 
horizon known to be productive. The number of wells drilled refers to the number of wells completed at any time 
during the respective year, regardless of when drilling was initiated. Completion refers to the installation of 

15 

 
             
                 
           
           
           
       
           
             
         
             
             
         
             
           
                  
                 
               
                 
             
           
               
             
           
                 
                 
               
                  
                 
               
                 
             
           
                  
                 
               
           
             
         
           
           
       
           
             
         
           
           
       
             
             
           
             
             
         
             
             
           
                  
                 
               
             
                 
           
                  
                 
               
                 
                 
               
               
                 
           
                 
             
           
               
                 
           
           
             
         
           
           
       
             
             
         
           
             
       
             
             
           
           
             
       
                 
             
           
               
                 
           
                 
                 
               
               
                 
           
                 
                 
               
               
                 
           
             
             
         
           
             
       
 
permanent equipment for the production of crude oil or natural gas, or in the case of a dry hole, to the reporting of 
abandonment to the appropriate agency. 

In addition to the wells drilled and completed in 2008 included in the table above, at December 31, 2008, we were in 
the process of drilling or completing 269 gross (215.4 net) wells in the Northern region of our US operations, two 
gross (1.2 net) onshore wells in the Southern region of our US operations, one gross (0.5 net) well in Equatorial 
Guinea, and one gross (0.4 net) well in Israel. 

Marketing Activities—We seek opportunities to enhance the value of our US natural gas production by marketing 
directly to end-users and aggregating natural gas to be sold to natural gas marketers and pipelines. We also engage 
in the purchase and sale of third-party crude oil and natural gas production. Such third-party production may be 
purchased from non-operators who own working interests in our wells or from other producers’ properties in which 
we own no interest. We sell our natural gas production at both market-based and fixed prices. In 2008, 
approximately 15% of natural gas sales were made pursuant to long-term contracts under either fixed or market-
based prices. 

Crude oil, condensate and NGLs produced in the US and foreign locations are generally sold under short-term 
contracts at market-based prices adjusted for location and quality. In China, we sell crude oil into the local market 
under a long-term contract at market-based prices. In Israel, we sell natural gas under long-term contracts at 
negotiated prices. Crude oil and condensate are distributed through pipelines and by trucks or tankers to gatherers, 
transportation companies and refineries. 

Significant Purchaser—Suncor Energy Marketing (Suncor) was the largest single non-affiliated purchaser of 2008 
production and purchased our share of crude oil from the Wattenberg field in Colorado. Sales to Suncor accounted 
for 22% of 2008 crude oil sales, or 13% of 2008 total oil and gas sales. No other single non-affiliated purchaser 
accounted for 10% or more of crude oil and natural gas sales in 2008. We believe that the loss of any one purchaser 
would not have a material effect on our financial position or results of operations since there are numerous potential 
purchasers of our production. 

Hedging Activities—Commodity prices were volatile in 2008 and prices for crude oil and natural gas are affected by 
a variety of factors beyond our control. We have used derivative instruments, and expect to do so in the future, to 
achieve a more predictable cash flow by reducing our exposure to commodity price fluctuations. For additional 
information, see Item 1A. Risk Factors—Hedging transactions may limit our potential gains and Hedging 
transactions, receivables and cash investments expose us to counterparty credit risk, Item 7A. Quantitative and 
Qualitative Disclosures About Market Risk, and Item 8. Financial Statements and Supplementary Data—Note 6—
Derivative Instruments and Hedging Activities. 

Regulations 

Government Regulation—Exploration for, and production and marketing of, crude oil and natural gas are 
extensively regulated at the international, federal, state and local levels. Crude oil and natural gas development and 
production activities are subject to various laws and regulations (and orders of regulatory bodies pursuant thereto) 
governing a wide variety of matters, including, among others, allowable rates of production, transportation, 
prevention of waste and pollution and protection of the environment. Laws affecting the crude oil and natural gas 
industry are under constant review for amendment or expansion and frequently increase the regulatory burden on 
companies. Our ability to economically produce and sell crude oil and natural gas is affected by a number of legal 
and regulatory factors, including federal, state and local laws and regulations in the US and laws and regulations of 
foreign nations. Many of these governmental bodies have issued rules and regulations that are often difficult and 
costly to comply with, and that carry substantial penalties for failure to comply. These laws, regulations and orders 
may restrict the rate of crude oil and natural gas production below the rate that would otherwise exist in the absence 
of such laws, regulations and orders. The regulatory burden on the crude oil and natural gas industry increases our 
costs of doing business and consequently affects our profitability. 

Examples of US federal agencies with regulatory authority over our exploration for, and production and sale of, 
crude oil and natural gas include:  

•  the Bureau of Land Management and the Minerals Management Service, which under laws such as the 

Federal Land Policy and Management Act, Endangered Species Act, National Environmental Policy Act and 
Outer Continental Shelf Lands Act have certain authority over our operations on federal lands, particularly in 
the Rocky Mountains and deepwater Gulf of Mexico; 

•  the Environmental Protection Agency and the Occupational Safety and Health Administration, which under 
laws such as the Comprehensive Environmental Response, Compensation and Liability Act, as amended, the 
Resource Conservation and Recovery Act, as amended, the Oil Pollution Act of 1990, the Clean Air Act, the 

16 

 
Clean Water Act and the Occupational Safety and Health Act have certain authority over environmental, 
health and safety matters affecting our operations as discussed below;  

•  the Federal Energy Regulatory Commission, which under laws such as the Energy Policy Act of 2005 has 

certain authority over the marketing and transportation of crude oil and natural gas we produce onshore and 
from the deepwater Gulf of Mexico; 

•  the Department of Transportation, which has certain authority over the transportation of products, equipment 

and personnel necessary to our US onshore and deepwater Gulf of Mexico operations; and 

•  other federal agencies with certain authority over our business, such as the Internal Revenue Service and the 

SEC, as well as the NYSE upon which shares of our common stock are traded. 

Most of the states within which we operate have separate agencies with authority to regulate related operational and 
environmental matters.  Examples of such regulation on the operational side include the Greater Wattenberg Area 
Special Well Location Rule 318A, which was adopted by the Colorado Oil and Gas Conservation Commission to 
address oil and gas well drilling, production, commingling and spacing in the Wattenberg field, and, more recently, 
the same commission’s December 10, 2008 approval of a comprehensive update to statewide rules governing oil and 
gas operations in Colorado. These rules will be reviewed by the Colorado legislature in its 2009 session and will 
become effective in the second quarter of 2009, addressing areas such as public drinking water protection, 
monitoring and disclosure of chemicals used in drilling operations, erosion management and environment and 
wildlife protection. On the environmental side, Colorado Regulation Seven and requirements for storm water 
management plans were adopted by the Colorado Department of Environmental Quality, under delegation from the 
US Environmental Protection Agency, to regulate air emissions, water protection and waste handling and disposal 
relating to our oil and gas exploration and production. 

Some of the counties and municipalities within which we operate have adopted regulations or ordinances that 
impose additional restrictions on our oil and gas exploration and production.  An example is Garfield County, 
Colorado, which provides local land and road use restrictions affecting our Piceance basin operations and requires us 
to post bonds to secure any restoration obligations. 

Our international operations are subject to legal and regulatory oversight by energy-related ministries of our host 
countries, each having certain relevant energy or hydrocarbons laws.  Examples of these ministries include the 
Ecuador Ministry of Petroleum and Mines, the Equatorial Guinea Ministry of Mines, Industry and Energy and the 
UK Department of Energy and Climate Change.  An example of a law affecting our international operations is the 
UK Finance Act of 2006, which increased the income tax rate on our UK operations effective January 1, 2006. 

Environmental Matters—As a developer, owner and operator of crude oil and natural gas properties, we are subject 
to various federal, state, local and foreign country laws and regulations relating to the discharge of materials into, 
and the protection of, the environment. We must take into account the cost of complying with environmental 
regulations in planning, designing, drilling, operating and abandoning wells. In most instances, the regulatory 
requirements relate to the handling and disposal of drilling and production waste products, water and air pollution 
control procedures, and the remediation of petroleum-product contamination. Under state and federal laws, we could 
be required to remove or remediate previously disposed wastes, including wastes disposed of or released by us or 
prior owners or operators in accordance with current laws or otherwise, to suspend or cease operations in 
contaminated areas, or to perform remedial well plugging operations or cleanups to prevent future contamination. 
The US Environmental Protection Agency and various state agencies have limited the disposal options for hazardous 
and non-hazardous wastes. The owner and operator of a site, and persons that treated, disposed of or arranged for the 
disposal of hazardous substances found at a site, may be liable, without regard to fault or the legality of the original 
conduct, for the release of a hazardous substance into the environment. The US Environmental Protection Agency, 
state environmental agencies and, in some cases, third parties are authorized to take actions in response to threats to 
human health or the environment and to seek to recover from responsible classes of persons the costs of such action. 
Furthermore, certain wastes generated by our crude oil and natural gas operations that are currently exempt from 
treatment as hazardous wastes may in the future be designated as hazardous wastes and, therefore, be subject to 
considerably more rigorous and costly operating and disposal requirements. See Item 1A. Risk Factors—We are 
subject to various governmental regulations and environmental risks that may cause us to incur substantial costs. 

Federal and state occupational safety and health laws require us to organize information about hazardous materials 
used, released or produced in our operations. Certain portions of this information must be provided to employees, 
state and local governmental authorities and local citizens. We are also subject to the requirements and reporting set 
forth in federal workplace standards. 

Certain state or local laws or regulations and common law may impose liabilities in addition to, or restrictions more 
stringent than, those described herein. 

17 

 
We have made and will continue to make expenditures in our efforts to comply with environmental requirements. 
We do not believe that we have, to date, expended material amounts in connection with such activities or that 
compliance with such requirements will have a material adverse effect on our capital expenditures, earnings or 
competitive position. Although such requirements do have a substantial impact on the crude oil and natural gas 
industry, they do not appear to affect us to any greater or lesser extent than other companies in the industry. 

Competition 

The crude oil and natural gas industry is highly competitive. We encounter competition from other crude oil and 
natural gas companies in all areas of operations, including the acquisition of seismic and lease rights on crude oil 
and natural gas properties and for the labor and equipment required for exploration and development of those 
properties. Our competitors include major integrated crude oil and natural gas companies and numerous independent 
crude oil and natural gas companies, individuals and drilling and income programs. Many of our competitors are 
large, well established companies. Such companies may be able to pay more for seismic and lease rights on crude oil 
and natural gas properties and exploratory prospects and to define, evaluate, bid for and purchase a greater number 
of properties and prospects than our financial or human resources permit. Our ability to acquire additional properties 
and to discover reserves in the future will be dependent upon our ability to evaluate and select suitable properties 
and to consummate transactions in a highly competitive environment. See Item 1A. Risk Factors—We face 
significant competition and many of our competitors have resources in excess of our available resources. 

Geographical Data 

We have operations throughout the world and manage our operations by country. Information is grouped into five 
components that are all primarily in the business of crude oil, natural gas and NGL acquisition, exploration, 
development and production: United States, West Africa, North Sea, Israel, and Other International, Corporate and 
Marketing. For more information, see Item 8. Financial Statements and Supplementary Data—Note 15—Segment 
Information. 

Employees 

Our total number of employees increased during the year from 1,398 at December 31, 2007 to 1,571 at 
December 31, 2008. The 2008 year-end employee count includes 182 foreign nationals working as employees in 
Ecuador, China, Israel, the UK, Equatorial Guinea and Cameroon. 

Offices 

Our principal corporate office, including our offices for US and international operations, is located at 100 
Glenborough Drive, Suite 100, Houston, Texas 77067-3610. We maintain additional offices in Ardmore, Oklahoma 
and Denver, Colorado and in China, Cameroon, Ecuador, Equatorial Guinea, Israel and the UK. 

Title to Properties 

We believe that our title to the various interests set forth above is satisfactory and consistent with generally accepted 
industry standards, subject to exceptions that are not so material as to detract substantially from the value of the 
interests or materially interfere with their use in our operations. Individual properties may be subject to burdens such 
as royalty, overriding royalty and other outstanding interests customary in the industry. In addition, interests may be 
subject to obligations or duties under applicable laws or burdens such as production payments, net profits interest, 
liens incident to operating agreements and for current taxes, development obligations under crude oil and natural gas 
leases or capital commitments under production sharing contracts or exploration licenses. 

Available Information 

Our website address is www.nobleenergyinc.com. Available on this website under “Investor Relations—Investor 
Relations Menu—SEC Filings,” free of charge, are our annual reports on Form 10-K, quarterly reports on 
Form 10-Q, current reports on Form 8-K, Forms 3, 4 and 5 filed on behalf of directors and executive officers and 
amendments to those reports as soon as reasonably practicable after such materials are electronically filed with or 
furnished to the SEC. 

Also posted on our website, and available in print upon request made by any stockholder to the Investor Relations 
Department, are charters for our Audit Committee; Compensation, Benefits and Stock Option Committee; Corporate 
Governance and Nominating Committee; and Environment, Health and Safety Committee. Copies of the Code of 
Business Conduct and Ethics, and the Code of Ethics for Chief Executive and Senior Financial Officers (the Codes) 
are posted on our website under the “Corporate Governance” section. Within the time period required by the SEC 
and the NYSE, as applicable, we will post on our website any modifications to the Codes and any waivers applicable 
to senior officers as defined in the applicable Code, as required by the Sarbanes-Oxley Act of 2002. 

18 

 
In 2008, we submitted the annual certification of our Chief Executive Officer regarding compliance with the 
NYSE’s corporate governance listing standards, pursuant to Section 303A.12(a) of the NYSE Listed Company 
Manual. 

Item 1A.  Risk Factors 

Crude oil and natural gas prices are volatile and a substantial reduction in these prices could adversely affect our 
results and the price of our common stock. 

Our revenues, operating results and future rate of growth depend highly upon the prices we receive for our crude oil 
and natural gas production. Historically, the markets for crude oil and natural gas have been volatile and are likely to 
continue to be volatile in the future. For example, the NYMEX daily settlement price for the prompt month oil 
contract in 2008 ranged from a high of $145.29 per barrel to a low of $33.87 per barrel. The NYMEX daily 
settlement price for the prompt month natural gas contract in 2008 ranged from a high of $13.58 per MMBtu to a 
low of $5.29 per MMBtu. The markets and prices for crude oil and natural gas depend on factors beyond our 
control. These factors include demand for crude oil and natural gas, which fluctuates with changes in market and 
economic conditions, and other factors, including: 

•  worldwide and domestic supplies of crude oil and natural gas; 
•  actions taken by foreign oil and gas producing nations; 
•  political conditions and events (including instability or armed conflict) in crude oil or natural gas producing 

regions; 

•  the level of global crude oil and natural gas inventories; 
•  the price and level of foreign imports; 
•  the price and availability of alternative fuels; 
•  the availability of pipeline capacity and infrastructure; 
•  the availability of crude oil transportation and refining capacity; 
•  weather conditions; 
•  electricity dispatch; 
•  domestic and foreign governmental regulations and taxes; and 
•  the overall economic environment. 

Significant declines in crude oil and natural gas prices for an extended period may have the following effects on our 
business: 

•  limiting our financial condition, liquidity, ability to finance planned capital expenditures and results of 

operations; 

•  reducing the amount of crude oil and natural gas that we can produce economically; 
•  causing us to delay or postpone some of our capital projects; 
•  reducing our revenues, operating income and cash flows; 
•  reducing the carrying value of our crude oil and natural gas properties; or 
•  limiting our access to sources of capital, such as equity and long-term debt. 

Estimates of crude oil and natural gas reserves are not precise. 

There are numerous uncertainties inherent in estimating crude oil and natural gas reserves and their value, including 
many factors that are beyond our control. Reservoir engineering is a subjective process of estimating underground 
accumulations of crude oil and natural gas that cannot be measured in an exact manner. Our reserve estimates are 
based on year-end commodity prices; therefore, reserve quantities will change when actual prices increase or 
decrease. The estimates depend on a number of factors and assumptions that may vary considerably from actual 
results, including: 

•  historical production from the area compared with production from other areas; 
•  the assumed effects of regulations by governmental agencies, including the impact of the SEC’s new oil and 

gas company reserve reporting requirements; 

•  assumptions concerning future crude oil and natural gas prices; 
•  future operating costs; 
•  severance and excise taxes; 
•  development costs; and 
•  workover and remedial costs.  

For these reasons, estimates of the economically recoverable quantities of crude oil and natural gas attributable to 
any particular group of properties, classifications of those reserves based on risk of recovery and estimates of the 

19 

 
future net cash flows expected from them prepared by different engineers or by the same engineers but at different 
times may vary substantially. Accordingly, reserve estimates may be subject to upward or downward adjustment, 
and actual production, revenue and expenditures with respect to our reserves likely will vary, possibly materially, 
from estimates. 

Additionally, because some of our reserve estimates are calculated using volumetric analysis, those estimates are 
less reliable than the estimates based on a lengthy production history. Volumetric analysis involves estimating the 
volume of a reservoir based on the net feet of pay of the structure and an estimation of the area covered by the 
structure. In addition, realization or recognition of proved undeveloped reserves will depend on our development 
schedule and plans. A change in future development plans for proved undeveloped reserves could cause the 
discontinuation of the classification of these reserves as proved. 

Failure to fund continued capital expenditures could adversely affect our properties. 

Our acquisition, exploration, and development activities require substantial capital expenditures especially in the 
case of our active drilling programs, such as the Wattenberg field, and our significant exploration and development 
program in West Africa. Historically, we have funded our capital expenditures through a combination of cash flows 
from operations, our revolving bank credit facility and debt and equity issuances. Future cash flows are subject to a 
number of variables, such as the level of production from existing wells, prices of crude oil and natural gas, and our 
success in finding, developing and producing new reserves. If revenues were to decrease as a result of lower crude 
oil and natural gas prices or decreased production, and our access to capital were limited, we would have a reduced 
ability to replace our reserves, resulting in a decrease in production over time. If our cash flows from operations are 
not sufficient to meet our obligations and fund our capital budget, we may not be able to access debt, equity or other 
methods of financing on an economic basis to meet these requirements, particularly in the current economic 
environment. If we are not able to fund our capital expenditures, interests in some properties might be reduced or 
forfeited as a result. 

The current recession could have a material adverse impact on our financial position, results of operations and 
cash flows.   

The oil and gas industry is cyclical in nature and tends to reflect general economic conditions. The US and other 
world economies are in a recession which could last well into 2009 and beyond. The recession may lead to 
significant fluctuations in demand and pricing for our crude oil and natural gas production, such as the decline in 
commodity prices which occurred during 2008 and into 2009. Our profitability will likely be significantly affected 
by decreased demand and lower commodity prices. Due to lower commodity prices, we recorded asset impairment 
charges during fourth quarter 2008. If commodity prices continue to decline, there could be additional impairments 
of our operating assets or an impairment of goodwill. Our future access to capital, as well as that of our partners and 
contractors, could be limited due to tightening credit markets that could inhibit development of our property 
interests.  Some of our longer term projects require significant investment and may be delayed due to capital 
constraints.  In addition, if drilling costs decline significantly, our long-term drilling rig contracts may require us to 
pay rates higher than the current market.  See Item 7. Management’s Discussion and Analysis of Financial Condition 
and Results of Operations – Contractual Obligations for additional information on drilling rig contracts.   

Our international operations may be adversely affected by economic and political developments. 

We have significant international crude oil and natural gas operations compared to companies we consider to be our 
peers, with approximately 44% of our consolidated sales volumes in 2008 coming from international operations. 
These operations may be adversely affected by political and economic developments, including the following: 

•  war, terrorist acts, civil disturbances, or territorial disputes, such as may occur in regions that encompass our 

operations, including Ecuador, Israel and West Africa; 

•  loss of revenue, property and equipment as a result of actions taken by foreign crude oil and natural gas 
producing nations, such as expropriation or nationalization of assets and renegotiation, modification or 
nullification of existing contracts, such as may occur pursuant to the hydrocarbons law enacted in 2006 by 
the government of Equatorial Guinea; 

•  changes in taxation policies, such as the UK Finance Act of 2006, which increased the income tax rate on our 

UK operations effective January 1, 2006, and the China Petroleum Special Profits Tax enacted in 2006, 
which imposed an excise tax on crude oil produced in the country; 

•  laws and policies of the US and foreign jurisdictions affecting foreign investment, taxation, trade and 

business conduct; 

•  foreign exchange restrictions; 
•  international monetary fluctuations and changes in the relative value of the US dollar as compared with the 

currencies of other countries in which we conduct business, such as the UK; and 

•  other hazards arising out of foreign governmental sovereignty over areas in which we conduct operations. 

20 

 
Exploration, development and production risks and natural disasters could result in liability exposure or the loss 
of production and revenues. 

Our operations are subject to hazards and risks inherent in the drilling, production and transportation of crude oil and 
natural gas, including: 

•  pipeline ruptures and spills; 
•  fires; 
•  explosions, blowouts and cratering; 
•  formations with abnormal pressures; 
•  equipment malfunctions; 
•  hurricanes, such as Gustav and Ike in 2008, which could affect our operations in areas such as the Gulf Coast 

and deepwater Gulf of Mexico, and cyclones, which could affect our operations offshore China; and 

•  other natural disasters. 

Any of these can result in loss of hydrocarbons, environmental pollution and other damage to our properties or the 
properties of others. 

Exploration and development drilling may not result in commercially productive reserves. 

We do not always encounter commercially productive reservoirs through our drilling operations. The wells we drill 
or participate in may not be productive and we may not recover all or any portion of our investment in those wells. 
The seismic data and other technologies we use do not allow us to know conclusively prior to drilling a well that 
crude oil or natural gas is present or may be produced economically, and area well data and other data may be 
limited or less-developed in some of the international areas in which we explore. The cost of drilling, completing 
and operating a well is often uncertain, and cost factors can adversely affect the economics of a project. Our efforts 
will be unprofitable if we drill dry holes or wells that are productive but do not produce enough reserves to return a 
profit after drilling, operating and other costs. Further, our drilling operations may be curtailed, delayed or canceled 
as a result of a variety of factors, including: 

•  unexpected drilling conditions; 
•  title problems; 
•  pressure or other irregularities in formations; 
•  equipment failures or accidents; 
•  adverse weather conditions; 
•  compliance with environmental and other governmental requirements; and 
•  increases in the cost of, or shortages or delays in the availability of, drilling rigs and equipment. 

We may be unable to make attractive acquisitions or integrate acquired businesses and/or assets, and any 
inability to do so may disrupt our business. 

One aspect of our business strategy calls for acquisitions of businesses and assets that complement or expand our 
current business, such as our Patina Merger and our purchase of U.S. Exploration.  This may present greater risks for 
us than those faced by peer companies that do not consider acquisitions as a part of their business strategy. We 
cannot provide assurance that we will be able to identify attractive acquisition opportunities. Even if we do identify 
attractive opportunities, we cannot provide assurance that we will be able to complete the acquisition due to capital 
market constraints or even if such capital is available on commercially acceptable terms. Additionally, if we acquire 
another business, we could have difficulty integrating its operations, systems, management and other personnel and 
technology with our own. These difficulties could disrupt ongoing business, distract management and employees, 
increase expenses and adversely affect results of operations. Even if these difficulties could be overcome, we cannot 
provide assurance that the anticipated benefits of any acquisition would be realized. 

We are subject to various governmental regulations and environmental risks that may cause us to incur 
substantial costs. 

From time to time, in varying degrees, political developments and federal and state laws and regulations affect our 
operations. In particular, price controls, taxes and other laws relating to the crude oil and natural gas industry, 
changes in these laws and changes in administrative regulations have affected and in the future could affect crude oil 
and natural gas production, operations and economics. We cannot predict how agencies or courts will interpret 
existing laws and regulations or the effect these adoptions and interpretations may have on our business or financial 
condition. 

Our business is subject to laws and regulations promulgated by international, federal, state and local authorities 
relating to the exploration for, and the development, production and marketing of, crude oil and natural gas, as well 
as safety matters. Legal requirements are frequently changed and subject to interpretation and we are unable to 

21 

 
predict the ultimate cost of compliance with these requirements or their effect on our operations. We may be 
required to make significant expenditures to comply with governmental laws and regulations. 

Our operations are subject to complex international, federal, state and local environmental laws and regulations 
including, for example, in the case of federal laws, the Comprehensive Environmental Response, Compensation and 
Liability Act, as amended, the Resource Conservation and Recovery Act, as amended, the Oil Pollution Act of 1990, 
the Clean Air Act, the Clean Water Act and the Occupational Safety and Health Act. Environmental laws and 
regulations change frequently and the implementation of new, or the modification of existing, laws or regulations 
could negatively impact our operations. The discharge of natural gas, crude oil, or other pollutants into the air, soil 
or water may give rise to significant liabilities on our part to the government and third parties and may require us to 
incur substantial costs of remediation. In addition, we may incur costs and penalties in addressing regulatory agency 
procedures involving instances of possible non-compliance. 

Potential regulations regarding climate change could alter the way we conduct our business.  

As awareness of climate change issues increases, governments around the world are beginning to address the matter. 
This may result in new environmental regulations that may unfavorably impact us, our suppliers, and our customers. 
The cost of meeting these requirements may have an adverse impact on our financial condition, results of operations 
and cash flows.  

The unavailability or high cost of drilling rigs, equipment, supplies, personnel and other oil field services could 
adversely affect our ability to execute our exploration and development plans on a timely basis and within our 
budget. 

Our industry is cyclical and, from time to time, there is a shortage of drilling rigs, equipment, supplies or qualified 
personnel. During these periods, the costs of rigs, equipment and supplies are substantially greater and their 
availability may be limited, particularly in areas of high activity and demand in which we concentrate, such as the 
Rocky Mountains and deepwater Gulf of Mexico, and in some international locations that typically have more 
limited availability of equipment and personnel, such as Ecuador, Israel and West Africa. During periods of 
increasing levels of exploration and production in response to strong demand for crude oil and natural gas, the 
demand for oilfield services and the costs of these services increase. Additionally, these services may not be 
available on commercially reasonable terms. 

We may not have enough insurance to cover all of the risks we face, which could result in significant financial 
exposure. 

Exploration for and production of crude oil and natural gas can be hazardous, involving natural disasters and other 
unfortuitous events such as blowouts, cratering, fire and explosion and loss of well control which can result in 
damage to or destruction of wells or production facilities, injury to persons, loss of life, or damage to property and 
the environment. In accordance with industry practices, we maintain insurance against many, but not all, potential 
perils confronting our operations and in coverage amounts and deductible levels that we believe to be reasonable. 
Consistent with that profile, our insurance program is structured to provide us financial protection from unfavorable 
loss severity resulting from damages to or the loss of physical assets or loss of human life, liability claims of third 
parties, and business interruption (loss of production) attributed to certain assets. Although we believe the coverages 
and amounts of insurance carried are adequate, we may not have sufficient protection against some of the risks we 
face, because we chose not to insure certain risks, insurance is not available on commercially reasonable terms or 
actual losses exceed coverage limits. If an event occurs that is not covered by insurance or not fully protected by 
insured limits, it could have an adverse impact on our financial condition, results of operations and cash flows. 

We face significant competition and many of our competitors have resources in excess of our available resources. 

We operate in the highly competitive areas of crude oil and natural gas exploration, exploitation, acquisition and 
production. We face intense competition from a large number of independent, technology-driven companies as well 
as both major and other independent crude oil and natural gas companies in a number of areas such as: 

•  seeking to acquire desirable producing properties or new leases for future exploration; 
•  marketing our crude oil and natural gas production;  
•  seeking to acquire the equipment and expertise necessary to operate and develop properties; and 
•  attracting and retaining employees with certain skills. 

Many of our competitors have financial and other resources substantially in excess of those available to us. For 
example, in the deepwater Gulf of Mexico we compete with major integrated crude oil and natural gas companies 
and in international locations such as the North Sea we compete with major integrated crude oil and natural gas 
companies as well as state-controlled multinational companies. This highly competitive environment could have an 
adverse impact on our business. 

22 

 
Our level of indebtedness may limit our financial flexibility. 

As of December 31, 2008, we had long-term indebtedness of $2.2 billion (excluding unamortized discount), with 
$1.6 billion drawn under our bank credit facility. Our indebtedness represented 26% of our total book capitalization 
at December 31, 2008. 

Our level of indebtedness affects our operations in several ways, including the following: 

•  a portion of our cash flows from operating activities must be used to service our indebtedness and is not 

available for other purposes; 

•  we may be at a competitive disadvantage as compared to similar companies that have less debt; 
•  the covenants contained in the agreements governing our outstanding indebtedness and future indebtedness 
may limit our ability to borrow additional funds, pay dividends and make certain investments and may also 
affect our flexibility in planning for, and reacting to, changes in the economy and in our industry; 

•  additional financing in the future for working capital, capital expenditures, acquisitions, general corporate or 

other purposes may have higher costs and more restrictive covenants; 

•  additional financing in the future is likely to have higher costs due to the negative impact of the current credit 

market crisis which has restricted access to the bond markets;  

•  changes in the credit ratings of our debt may negatively affect the cost, terms, conditions and availability of 
future financing, and lower ratings will increase the interest rate and fees we pay on our revolving credit 
facility; and 

•  we may be more vulnerable to general adverse economic and industry conditions. 

We may incur additional debt in order to fund our acquisition, exploration and development activities. A higher 
level of indebtedness increases the risk that we may default on our debt obligations. Our ability to meet our debt 
obligations and reduce our level of indebtedness depends on future performance. General economic conditions, 
crude oil and natural gas prices and financial, business and other factors will affect our operations and our future 
performance. Many of these factors are beyond our control and we may not be able to generate sufficient cash flow 
to pay the interest on our debt, and future working capital, borrowings and equity financing may not be available to 
pay or refinance such debt. 

Hedging transactions may limit our potential gains. 

In order to manage our exposure to price risks in the marketing of our crude oil and natural gas, we enter into crude 
oil and natural gas price hedging arrangements with respect to a portion of our expected production. Our hedges, 
consisting of a series of contracts, are limited in duration, usually for periods of one to four years. While intended to 
reduce the effects of volatile crude oil and natural gas prices, such transactions may limit our potential gains if crude 
oil and natural gas prices rise over the price established by the arrangements. In trying to manage our exposure to 
price risk, we may end up hedging too much or too little, depending upon how our crude oil or natural gas volumes 
and our production mix fluctuate in the future. In addition, hedging transactions may expose us to the risk of 
financial loss in certain circumstances, including instances in which our production is less than expected; there is a 
widening of price basis differentials between delivery points for our production and the delivery point assumed in 
the hedge arrangement; the counterparties to our future contracts fail to perform under the contracts; or a sudden 
unexpected event materially impacts crude oil or natural gas prices. We cannot assure that our hedging transactions 
will reduce the risk or minimize the effect of any decline in crude oil or natural gas prices. 

Hedging transactions, receivables and cash investments expose us to counterparty credit risk. 

Our hedging transactions also expose us to risk of financial loss if a counterparty fails to perform under a 
contract.  To mitigate counterparty credit risk we conduct our hedging activities with a diverse group of major 
financial institutions.  We use master agreements which allow us, in the event of default, to elect early termination 
of all contracts with the defaulting counterparty. If we choose to elect early termination, all asset and liability 
positions with the defaulting counterparty would be net settled at the time of election. We also monitor the 
creditworthiness of our counterparties on an ongoing basis. However, the current disruptions occurring in the 
financial markets could lead to sudden changes in a counterparty’s liquidity, which could impair their ability to 
perform under the terms of the hedging contract. We are unable to predict sudden changes in a counterparty’s 
creditworthiness or ability to perform. Even if we do accurately predict sudden changes, our ability to negate the risk 
may be limited depending upon market conditions. 

During periods of falling commodity prices, such as in late 2008, our hedge receivable positions increase, which 
increases our exposure. If the creditworthiness of our counterparties, which are major financial institutions, 
deteriorates and results in their nonperformance, we could incur a significant loss. 

23 

 
In addition to hedging transactions, we are exposed to risk of financial loss from trade and other receivables.  We 
sell our crude oil, natural gas and NGLs to a variety of purchasers.  Some of these parties are not as creditworthy as 
we are and may experience liquidity problems.  Credit enhancements have been obtained from some parties in the 
way of parental guarantees or letters of credit, including from our largest international crude oil purchaser; however, 
we do not have all of our trade credit enhanced through guarantees or credit support.  Nonperformance by a trade 
creditor could result in significant financial losses.    

We have over $1.0 billion in cash and cash equivalents, including investments in US Treasury securities and short-
term cash investments with major financial institutions. In response to the credit market crisis, we have shortened 
the duration of our investment maturities and have increased our investments in US Treasury securities. However, 
we are unable to predict sudden changes in solvency of our financial institutions. In the event of a bank failure, we 
could incur a significant loss. 

Information technology systems implementation issues could disrupt our internal operations, increase our costs 
and adversely affect our financial results or our ability to report our financial results.  

We have been in the process of implementing a new Enterprise Resource Planning software system to replace our 
various legacy systems. Our implementation is based on a phased approach, the first phase of which was 
implemented fourth quarter 2007. We implemented additional phases in 2008 and expect to implement additional 
phases in 2009. As a part of this effort, we are transitioning data and changing certain processes and this may be 
more expensive, time consuming and resource intensive than planned. Any disruptions that may occur in the 
implementation or operation of this system or any future systems could increase our expenses and adversely affect 
our ability to report in an accurate and timely manner our financial position, results of operations and cash flows and 
to otherwise operate our business. 

Provisions in our Certificate of Incorporation and Delaware law may inhibit a takeover of us. 

Under our Certificate of Incorporation, our Board of Directors is authorized to issue shares of our common or 
preferred stock without approval of our stockholders. Issuance of these shares could make it more difficult to 
acquire us without the approval of our Board of Directors as more shares would have to be acquired to gain control. 
In addition, Delaware law imposes restrictions on mergers and other business combinations between us and any 
holder of 15% or more of our outstanding common stock. These provisions may deter hostile takeover attempts that 
could result in an acquisition of us that would have been financially beneficial to our stockholders. 

Disclosure Regarding Forward-Looking Statements 

This annual report on Form 10-K and the documents incorporated by reference in this report contain forward-
looking statements within the meaning of the federal securities laws. Forward-looking statements give our current 
expectations or forecasts of future events. These forward-looking statements include, among others, the following: 

•  our growth strategies; 
•  our ability to successfully and economically explore for and develop crude oil and natural gas resources; 
•  anticipated trends in our business; 
•  our future results of operations; 
•  our liquidity and ability to finance our acquisition, exploration and development activities; 
•  our outlook on global economic conditions and markets; 
•  market conditions in the oil and gas industry; 
•  our ability to make and integrate acquisitions; and 
•  the impact of governmental regulation. 

Forward-looking statements are typically identified by use of terms such as “may,” “will,” “expect,” “anticipate,” 
“estimate” and similar words, although some forward-looking statements may be expressed differently. These 
forward-looking statements are made based upon management’s current plans, expectations, estimates, assumptions 
and beliefs concerning future events impacting us and therefore involve a number of risks and uncertainties. We 
caution that forward-looking statements are not guarantees and that actual results could differ materially from those 
expressed or implied in the forward-looking statements. You should consider carefully the statements under Item 
1A. Risk Factors and other sections of this report, which describe factors that could cause our actual results to differ 
from those set forth in the forward-looking statements. 

Item 1B.  Unresolved Staff Comments 

None. 

24 

 
 
Item 3.   Legal Proceedings 

Purchaser Bankruptcy – We have an exposure from crude oil sales for the months of June and July 2008 to 
SemCrude, L.P. (SemCrude), a subsidiary of SemGroup, L.P. (SemGroup).  On July 22, 2008, SemGroup, including 
SemCrude, filed a voluntary petition for reorganization under Chapter 11 of the Bankruptcy Code under Case 
Number 08-11525 (BLS) in the United States Bankruptcy Court for the District of Delaware.  

As of December 31, 2008, we had a receivable of approximately $71 million from SemCrude. We have determined 
that it is probable that a portion of the receivable is uncollectible. Therefore, in third quarter 2008, we reduced the 
carrying value of the SemCrude receivable and recognized a pre-tax charge of $38 million for the probable loss. We 
are pursuing various legal remedies to protect our interests. We believe that ultimate disposition of this matter will 
not have a material adverse affect on our financial position, results of operations, or cash flows. 

Legal Proceedings – We are among a group of 18 defendants named in a lawsuit filed August 23, 2002 by Dore 
Energy Corporation under Docket Number 10-16202 in the 38th Judicial District Court, Cameron Parish, 
Louisiana.  The lawsuit alleges damage to property owned by Dore resulting from oil and gas activities dating to the 
1930’s.  Our predecessor, Samedan Oil Corporation, operated on a portion of the property from 1989 to 1999.  Dore 
has delivered documents alleging approximately $140 million in damages.  Trial is currently set for April 27, 2009.  
We intend to vigorously defend against these allegations and believe that our share of damages, if any, will not have 
a material adverse effect on our financial position, results of operations, or cash flows.  

We are involved in various legal proceedings, including the foregoing matters, in the ordinary course of business. 
These proceedings are subject to the uncertainties inherent in any litigation. We are defending ourselves vigorously 
in all such matters and we do not believe that the ultimate disposition of such proceedings will have a material 
adverse effect on our financial position, results of operations or cash flows.   

Item 4.   Submission of Matters to a Vote of Security Holders 

There were no matters submitted to a vote of security holders during the fourth quarter of 2008. 
Executive Officers 
The following table sets forth certain information, as of February 19, 2009, with respect to our executive officers. 

Name 

Age 

Position 

Charles D. Davidson (1) 

58 

  Chairman of the Board, President, Chief Executive Officer and 

Director 

David L. Stover (2) 

Chris Tong (3) 

Ted D. Brown (4) 

Rodney D. Cook (5) 

51 

  Executive Vice President, Chief Operating Officer 

52 

  Senior Vice President, Chief Financial Officer 

53 

  Senior Vice President, Northern Region 

51 

  Senior Vice President, International 

Susan M. Cunningham (6) 

53 

  Senior Vice President, Exploration 

Arnold J. Johnson (7) 

Andrea Lee Robison (8) 

53 

  Senior Vice President, General Counsel and Secretary 

50 

  Vice President, Human Resources 

(1)  Charles D. Davidson was elected President and Chief Executive Officer of Noble Energy in October 2000 and 
Chairman of the Board in April 2001. Prior to October 2000, he served as President and Chief Executive 
Officer of Vastar Resources, Inc. from March 1997 to September 2000 (Chairman from April 2000) and was a 
Vastar Director from March 1994 to September 2000. From September 1993 to March 1997, he served as a 
Senior Vice President of Vastar. From 1972 to October 1993, he held various positions with ARCO. 
(2)  David L. Stover was elected Executive Vice President and Chief Operating Officer of Noble Energy in 

August 2006. Prior thereto, he served as Senior Vice President of North America and Business Development 
from July 2004 through July 2006. He served as Noble Energy’s Vice President of Business Development from 
December 2002 through June 2004. Previous to his employment with Noble Energy, he was employed by BP 
America, Inc. as Vice President, Gulf of Mexico Shelf from September 2000 to August 2002. Prior to joining 

25 

 
 
 
 
 
 
 
 
 
 
 
 
BP, Mr. Stover was employed by Vastar, as Area Manager for Gulf of Mexico Shelf from April 1999 to 
September 2000, and prior thereto, as Area Manager for Oklahoma/Arklatex from January 1994 to April 1999. 
From 1979 to 1994, he held various positions with ARCO. 

(3)  Chris Tong was elected a Senior Vice President and Chief Financial Officer of Noble Energy in January 2005. 
Prior to January 2005, he had served as Senior Vice President and Chief Financial Officer for Magnum Hunter 
Resources, Inc. since August 1997. Prior thereto, he was Senior Vice President of Finance of Tejas Acadian 
Holding Company and its subsidiaries including Tejas Gas Corp., Acadian Gas Corporation and Transok, Inc., 
all of which were wholly-owned subsidiaries of Tejas Gas Corporation. Mr. Tong held these positions since 
August 1996, and served in other treasury positions with Tejas beginning August 1989. From 1980 to 1989, 
Mr. Tong served in various energy lending capacities with several commercial banking institutions. Prior to his 
banking career, Mr. Tong served over a year with Superior Oil Company as a Reservoir Engineering Assistant. 
(4)  Ted D. Brown was elected a Senior Vice President of Noble Energy in April 2008 and is currently responsible 
for the Northern Region of our North America division. He served as Vice President, responsible for the same 
region, from August 2006 to April 2008 and as a vice president of that division since joining us upon our 
acquisition of Patina in May 2005. He served as Senior Vice President of Patina from July 2004 to May 2005. 
Prior thereto he served as Director, Piceance Basin Asset along with Engineering Manager for Williams and 
Barrett Resources since 1993 and, before that, in various positions with Union Pacific Resources and Amoco 
Production Company. 

 (5)  Rodney D. Cook was elected a Senior Vice President of Noble Energy in April 2008 and is currently 

responsible for the International division. He served as Vice President of Noble Energy, responsible for the 
Southern Region of our North America division, from August 2006 to April 2008 and as a vice president of that 
division from May 2005 to August 2006. He served as Manager of our West Africa and Middle East Business 
Unit from 2002 to 2005. Prior thereto he served as Operations Manager of the International division since 1996. 
From 1980 to 1996 he held various positions with Noble Energy. Prior to joining Noble Energy in 1980, Mr. 
Cook held various positions with Texas Pacific Oil.  

(6)  Susan M. Cunningham was elected a Senior Vice President of Noble Energy in April 2001 and is currently 
responsible for our world-wide exploration. Prior to joining Noble Energy, Ms. Cunningham was Texaco’s 
Vice President of worldwide exploration from April 2000 to March 2001. From 1997 through 1999, she was 
employed by Statoil, beginning in 1997 as Exploration Manager for deepwater Gulf of Mexico, appointed a 
Vice President in 1998 and responsible, in 1999, for Statoil’s West Africa exploration efforts. She joined 
Amoco in 1980 as a geologist and held various exploration and development positions until 1997. 

(7)  Arnold J. Johnson was elected Senior Vice President, General Counsel and Secretary of Noble Energy in July 
2008. Prior thereto, he served as Vice President, General Counsel and Secretary of Noble Energy since 
February 2004. He served as Associate General Counsel and Assistant Secretary of Noble Energy from 
January 2001 through January 2004. Previous to his employment with Noble Energy, he served as Senior 
Counsel for BP America, Inc. from October 2000 to January 2001. Mr. Johnson held several positions as an 
attorney for Vastar and ARCO from March 1989 through September 2000, most recently as Assistant General 
Counsel and Assistant Secretary of Vastar from 1997 through 2000. From 1980 to March 1989, he held various 
positions with ARCO. 

(8)  Andrea Lee Robison was elected to the position of Vice President of Noble Energy in November 2007 and is 
responsible for Human Resources. Prior thereto, she served as Director of Human Resources from May 2002 
through October 2007. Prior to joining us, Ms. Robison was Manager of Human Resources for the Gulf of 
Mexico Shelf for BP America, Inc. from September 2000 through April 2002. Prior to her employment at BP, 
she served as HR Director at Vastar from 1997 through September 2000, and Compensation Consultant from 
January 1994 through 1996. From 1980 through 1993 she held various positions with ARCO. 

26 

 
PART II 

Item 5.  Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of 
Equity Securities 

Common Stock. Our common stock, $3.33 1/3 par value, is listed and traded on the NYSE under the symbol 
“NBL.” The declaration and payment of dividends are at the discretion of our Board of Directors and the amount 
thereof will depend on our results of operations, financial condition, contractual restrictions, cash requirements, 
future prospects and other factors deemed relevant by the Board of Directors. 
Stock Prices and Dividends by Quarters. The high and low sales price per share of common stock on the NYSE and 
quarterly dividends paid per share were as follows: 

2007
First quarter
Second quarter
Third quarter 
Fourth quarter
2008
First quarter
Second quarter
Third quarter 
Fourth quarter

High

Low

$     

60.69
65.50
70.55
81.64

$     

81.35
103.83
102.79
54.01

$     

46.33
58.81
58.17
69.69

$     

69.18
75.79
51.18
33.15

Dividends
Per Share

$       

0.075
0.120
0.120
0.120

$       

0.120
0.180
0.180
0.180

On January 27, 2009, the Board of Directors declared a quarterly cash dividend of 0.18 cents per common share, 
which will be paid February 23, 2009 to shareholders of record on February 9, 2009. 
Transfer Agent and Registrar. The transfer agent and registrar for the common stock is Wells Fargo Bank, N.A., 161 
North Concord Exchange, South St. Paul, MN, 55075. 
Stockholders’ Profile. Pursuant to the records of the transfer agent, as of February 6, 2009, the number of holders of 
record of common stock was 775. 
Stock Repurchases. We did not repurchase any of our common stock in the fourth quarter of 2008. 

Equity Compensation Plan Information. The following table summarizes information regarding the number of 
shares of our common stock that are available for issuance under all of our existing equity compensation plans as of 
December 31, 2008. 

Number of securities
to be issued upon
exercise of
outstanding options
(a)

Weighted-average
exercise price of
outstanding
options, warrants
and rights
(b)

6,082,375

$           

41.41

-

6,082,375

-
41.41

$           

Number of securities
remaining available
for future issuance
under equity
compensation plans
(excluding securities
reflected in column (a))
(c)

5,319,463

-

5,319,463

Plan Category

Equity compensation plans
  approved by security holders
Equity compensation plans not
  approved by security holders
Total

27 

 
       
       
         
       
       
         
       
       
         
     
       
         
     
       
         
       
       
         
 
       
                        
                  
                 
                                   
       
                        
 
Stock Performance Graph. This graph shows our cumulative total shareholder return over the five-year period from 
December 31, 2003, to December 31, 2008. The graph also shows the cumulative total returns for the same five-year 
period of the S&P 500 Index and our peer group of companies. At December 31, 2008, our peer group of companies 
consisted of the following: 

Anadarko Petroleum Corp.
Apache Corp.
Cabot Oil & Gas Corp. 
Chesapeake Energy Corp.
Devon Energy Corp.
EOG Resources, Inc.
Forest Oil Corp.

Murphy Oil Corp.
Newfield Exploration Company
Pioneer Natural Resources Company 
Plains Exploration and Production Company
Range Resources Corp.
Southwestern Energy Company
XTO Energy Inc. 

The comparison assumes $100 was invested on December 31, 2003, in our common stock, in the S&P 500 Index 
and in our peer group and assumes that all of the dividends were reinvested. 

COMPARISON OF 5 YEAR CUMULATIVE TOTAL RETURN*
Among Noble Energy, Inc., The S&P 500 Index
And A Peer Group

$400

$350

$300

$250

$200

$150

$100

$50

$0

12/03

12/04

12/05

12/06

12/07

12/08

Noble Energy, Inc.

S&P 500

Peer Group

*$100 invested on 12/31/03 in stock & index-including reinvestment of dividends.
Fiscal year ending December 31.

Copyright © 2009 S&P, a division of The McGraw -Hill Companies Inc. All rights reserved.

12/03

12/04

12/05

12/06

12/07

12/08

Noble Energy, Inc.
S&P 500
Peer Group

$     

100.00
100.00
100.00

$     

139.34
110.88
133.07

$     

182.87
116.33
208.21

$     

223.97
134.70
207.03

$     

365.44
142.10
300.86

$     

228.44
89.53
187.65

28 

 
 
 
 
       
       
       
       
       
         
       
       
       
       
       
       
 
Item 6.   Selected Financial Data 

Revenues and Income
Total revenues
Income from continuing operations 
Net income 
Per Share Data
Basic earnings per share -

Income from continuing operations 
Net income 
Cash dividends
Year-end stock price
Basic weighted average shares outstanding
Cash Flows
Net cash provided by operating activities
Additions to property, plant and equipment
Acquisitions
Financial Position
Cash and cash equivalents 
Commodity derivative instruments - current
Property, plant, and equipment, net
Goodwill
Total assets
Long-term obligations -

Long-term debt
Deferred income taxes
Commodity derivative instruments
Asset retirement obligations
Other 

Shareholders' equity
Operations Information
Consolidated crude oil sales (MBopd)
Average realized price ($/Bbl) (3)
Consolidated natural gas sales (MMcfpd)
Average realized price ($/Mcf) (3)
Consolidated NGL sales (MBpd) (4)
Average realized price ($/Bbl)
Proved Reserves
Crude oil, condensate and NGL reserves (MMBbls)
Natural gas reserves (Bcf)
Total reserves (MMBoe)
Number of employees

2008

Year Ended December 31,
2005 (2)
2006 (1)
2007
(in millions, except as noted)

2004

$    

3,901
1,350
1,350

$    

3,272
944
944

$    

2,940
678
678

$    

2,187
646
646

$  

1,351
314
329

$      

7.83
7.83
0.660
49.22
173

$      

5.52
5.52
0.435
80.66
171

$      

3.86
3.86
0.275
49.07
176

$      

4.20
4.20
0.150
40.30
154

$    

2.69
2.82
0.100
30.83
117

$    

2,285
1,971
292

$    

2,017
1,414
-

$    

1,730
1,357
412

$    

1,240
786
1,111

$     

708
554
-

1,140
437
9,004
759
12,384

2,241
2,174
2
184
300
6,309

660
15
7,945
761
10,831

1,851
1,984
83
131
337
4,809

153
35
7,171
781
9,589

1,801
1,758
329
128
275
4,114

110
29
6,199
863
8,878

2,031
1,201
758
279
280
3,090

180
29
2,181
-
3,436

880
180
10
175
69
1,460

$    

$    

$    

$    

69
82.60
767
5.04

77
60.61
687
5.26

75
54.47
623
5.55

57
45.35
508
5.78

$  

44
34.48
367
4.76

$    

$      

$      

$      

$      

9
50.15

$    

-
$            
-

-
$            
-

-
$           
-

-
$         
-

311
3,315
864
1,571

329
3,307
880
1,398

296
3,231
835
1,243

291
3,091
806
1,171

193
1,987
525
559

(1) 

Includes effect of acquisition of U.S. Exploration and sale of Gulf of Mexico shelf properties. See Item 8. 
Financial Statements and Supplementary Data—Note 4—Acquisitions and Divestitures for additional 
information. 
Includes effect of Patina Merger. 

(2) 
(3)  Prices include effects of oil and gas hedging activities. See Item 8. Financial Statements and Supplementary 

Data—Note 6—Derivative Instruments and Hedging Activities. 

(4)  Prior to 2008, US NGL sales volumes were included with natural gas volumes. Effective in 2008 we began 

reporting US NGLs separately where we have the right to take title, which lowered the comparative natural gas 
sales volumes for 2008. 

29 

 
      
         
         
         
       
      
         
         
         
       
        
        
        
        
      
      
      
      
      
    
      
      
      
      
    
         
         
         
         
       
      
      
      
         
       
         
              
         
      
           
      
         
         
         
       
         
           
           
           
         
      
      
      
      
    
         
         
         
         
       
    
    
      
      
    
      
      
      
      
       
      
      
      
      
       
             
           
         
         
         
         
         
         
         
       
         
         
         
         
         
      
      
      
      
    
           
           
           
           
         
         
         
         
         
       
             
              
              
             
           
         
         
         
         
       
      
      
      
      
    
         
         
         
         
       
      
      
      
      
       
 
Item 7.   Management’s Discussion and Analysis of Financial Condition and Results of Operations 

We are an independent energy company engaged in worldwide crude oil, natural gas and NGL exploration and 
production. We operate primarily in the Rocky Mountains, Mid-continent, and deepwater Gulf of Mexico areas in 
the US, with key international operations offshore Israel, the North Sea and West Africa.  

Our accompanying consolidated financial statements, including the notes thereto, contain detailed information that 
should be referred to in conjunction with the following discussion. 

EXECUTIVE OVERVIEW 

We are a worldwide producer of crude oil and natural gas. Our strategy is to achieve growth in earnings and cash 
flows through the continued expansion of a high quality portfolio of producing assets that is diversified among US 
and international projects; crude oil and natural gas; and near, medium and long-term opportunities. 

Financial and Operating Results - 2008 was a successful year for us as evidenced by our record earnings, cash flows 
provided by operating activities and production. We extended our acreage position both onshore and offshore US 
and pursued new exploration opportunities in the deepwater Gulf of Mexico and international locations which led to 
significant new discoveries. We funded our capital program primarily with cash flows from operations and increased 
our ending cash balance. 

Our financial results included the following: 

•  net income of $1.4 billion, a 43% increase over 2007; 
•  $440 million gain on commodity derivative instruments; 
•  diluted earnings per share of $7.58, a 39% increase over 2007;  
•  cash flows provided by operating activities of $2.3 billion, a 13% increase over 2007; 
•  $294 million asset impairment charges;  
•  $38 million write-down of receivable from Semcrude, L.P.; 
•  year-end cash balance of $1.1 billion, a $480 million increase over the prior year ending cash balance; and 
•  year-end ratio of debt-to-book capital of 26% as compared with 28% at December 31, 2007. 

Significant operational highlights included the following: 

•  significant oil discovery at the Gunflint prospect in the deepwater Gulf of Mexico; 
•  continued production growth in the Rocky Mountains area of our US operations; 
•  successful Benita oil appraisal well, offshore Equatorial Guinea; 
•  exploration discoveries offshore Equatorial Guinea at Diega and Felicita; 
•  start-up of Phase 2 at the North Sea Dumbarton development; 
•  acquisition of producing properties in western Oklahoma; 
•  expanded acreage position onshore North America; 
•  successful appraisal of the South Raton discovery in the deepwater Gulf of Mexico; 
•  production start-up at the Raton gas development in the deepwater Gulf of Mexico; 
•  new Ticonderoga development wells brought online in the deepwater Gulf of Mexico; 
•  successful high bids on 15 deepwater Gulf of Mexico lease blocks in the central Gulf of Mexico lease sale; 

and 

•  record annual natural gas production in Israel of 139 MMcfpd. 

In addition, in January 2009, we announced a very significant natural gas discovery at the Tamar prospect offshore 
Israel. 

Impact of Recession and Current Credit and Commodity Markets –The US and other world economies are currently 
in a recession which could last well into 2009 and beyond. Additionally, the credit markets are experiencing 
significant volatility, and many financial institutions have liquidity concerns, prompting government intervention to 
mitigate pressure on the credit markets. Our primary exposure to the current credit market crisis includes our 
revolving credit facility, cash investments and counterparty nonperformance risks.  

Our revolving credit facility is committed in the amount of $2.1 billion until December 2011, at which time it 
reduces to $1.8 billion. As of December 31, 2008, we had $494 million available credit under the facility. If not 
extended, the credit facility matures in December 2012. Should current credit market tightening be prolonged for 
several years, future extensions of our credit facility may contain terms that are less favorable than those of our 
current credit facility.  

Current market conditions also elevate the concern over our cash investments, which total $1.1 billion, and 
counterparty risks related to our commodity derivative contracts and trade credit.  With regard to our cash 

30 

 
investments, we invest in highly liquid, investment-grade securities, US Treasury securities and short-term deposits 
with major financial institutions.  In response to the credit market crisis, we have shortened the duration of our 
investment maturities and have increased our investments in US Treasury securities.  

At December 31, 2008, our open commodity derivative instruments were in a net receivable position with a fair 
value of $445 million. We have all of our commodity derivative instruments with major financial 
institutions.  Should one of these financial counterparties not perform, we may not realize the benefit of some of our 
derivative instruments under lower commodity prices and we could incur a loss.   

We sell our crude oil, natural gas and NGLs to a variety of purchasers.  Some of these parties are not as creditworthy 
as we are and may experience liquidity problems.  Credit enhancements have been obtained from some parties in the 
way of parental guarantees or letters of credit, including from our largest international crude oil purchaser; however, 
we do not have all of our trade credit enhanced through guarantees or credit support.  Nonperformance by a trade 
creditor could result in losses. In third quarter 2008, we reduced the carrying value of a receivable from SemCrude, 
L.P., a crude oil purchaser, and recognized a pre-tax charge of $38 million for a probable loss. See Item 8. Financial 
Statements and Supplementary Data– Note 17 – Commitments and Contingencies. 

Crude oil and natural gas prices are also volatile as evidenced by the significant decline during 2008 and into 2009. 
Continued lower commodity prices will reduce our cash flows from operations. To mitigate the impact of lower 
commodity prices on our cash flows, we have entered into crude oil and natural gas commodity contracts for 2009 
and, to a lesser extent, 2010. See Item 8. Financial Statements and Supplementary Data—Note 6 – Derivative 
Instruments and Hedging Activities.  Depending on the length of the current recession, commodity prices may stay 
depressed or decline further, thereby causing a prolonged downturn, which would further reduce our cash flows 
from operations.  This could cause us to alter our business plans including reducing or delaying our exploration and 
development program spending and other cost reduction initiatives. 

In addition, the following events impacted our business in 2008: 

Asset Impairments– As a result of the depressed economic environment, coupled with a severe decrease in 
commodity prices during the fourth quarter of 2008, we assessed the recoverability of our oil and gas properties and 
other investments. As a result of this analysis we determined that certain of our assets were impaired. In addition, 
during third quarter 2008, we initiated a process to sell our remaining operated non-core Gulf of Mexico shelf asset 
at Main Pass and recorded an impairment loss (based on anticipated proceeds less costs to sell). For 2008, total pre-
tax (non-cash) asset impairment charges totaled $294 million. See Critical Accounting Policies – Impairment of 
Proved Oil and Gas Properties and Other Investments, and Impairment of Unproved Oil and Gas Properties. See also 
Item 8. Financial Statements and Supplementary Data—Note 3– Asset Impairments and Note 4 –Acquisitions and 
Divestitures–Main Pass Asset.   

Hurricanes Gustav and Ike – In September, Hurricanes Gustav and Ike moved through the Gulf of Mexico. 
Inspection of our facilities and equipment indicated there was no major damage from the hurricanes, although 
damage to third party processing and pipeline facilities has slowed reinstatement of production from our Gulf of 
Mexico assets, including Lorien and Ticonderoga. Temporary shut-ins of production reduced volumes on average 
7.2 MBoepd during third quarter 2008 and 9.0 MBoepd during fourth quarter 2008. Approximately 8.5 MBoepd of 
our Gulf of Mexico production remained shut-in at December 31, 2008. We expect production to resume during the 
first half of 2009, pending the successful resumption of pipeline and other non-operated facilities. 

Mid-continent Acquisition – In July 2008, we acquired producing properties in western Oklahoma for $292 million 
in cash. Properties acquired cover approximately 15,500 net acres and are currently producing a net 20 MMcfepd 
with approximately 70% natural gas and 30% liquids. We operate the assets with an average working interest of 
83%. 

Sale of Argentina Assets— In February 2008, effective July 1, 2007, we sold our interest in Argentina for a sales 
price of $117.5 million. The sale is subject to Argentine government approval, which has not been received. 
Accordingly, the gain on sale of approximately $24 million has been deferred. We are currently unable to predict 
when government approval will be obtained.  

31 

 
 
 
 
 
 
2009 OUTLOOK 

We expect the mid-point of our 2009 crude oil, natural gas and NGL production to be slightly above our 2008 
results. The expected year-over-year change in production is impacted by several factors including: 

• the amount of development capital expenditures;  
• higher sales of natural gas from the Alba field in Equatorial Guinea; 
• growth in demand for natural gas in Israel; and 
• growing production from our Rocky Mountains assets, where we are continuing an active drilling program; 

offset by 

• natural field decline in the deepwater Gulf of Mexico, Gulf Coast and Mid-continent areas of our US 

operations. 

Factors potentially impacting our expected production profile include: 

• overall level and timing of capital expenditures, as discussed below, which, dependent upon our drilling 

success, are expected to result in near-term production growth; 

• potential hurricane-related volume curtailments in the Gulf of Mexico and Gulf Coast areas of our US 

operations as occurred with Hurricanes Gustav and Ike; 

• the restoration of pipeline and facilities necessary to increase our Gulf of Mexico production; 
• potential winter storm-related volume curtailments in the Northern region of our US operations; 
• potential pipeline and processing facility capacity constraints in the Rocky Mountains area of our US 

operations and timing of start up of a new interstate crude oil transportation pipeline system which will run 
from Weld County, Colorado to Cushing, Oklahoma; 

• deliveries of Egyptian gas in Israel, which could lower our sales volumes; 
• potential downtime at the methanol, LPG and/or LNG plants in Equatorial Guinea; 
• seasonal variations in rainfall in Ecuador that affect our natural gas-to-power project;  and 
• timing of significant project completion and initial production. 

2009 Budget—Due to the uncertain economic and commodity price environment, we have designed a flexible 
capital spending program that will be responsive to conditions that develop during 2009.  Our preliminary base 
capital program for 2009 will accommodate an investment level similar to our original 2008 program which was 
$1.6 billion.  However, depending on commodity prices and other economic conditions we experience in the first 
half of 2009, this base capital program may be adjusted up or down by approximately 10% to 15%.   

Approximately 40% of the 2009 budget is committed to longer-term projects that will provide considerable 
production growth several years in the future. The remainder is allocated toward maintaining and strengthening the 
existing property base.  Development spending will focus on our international and deepwater Gulf of Mexico assets 
as well as certain higher return opportunities onshore in the US.  The exploration budget will center on significant 
resource potential in Israel, West Africa and the deepwater Gulf of Mexico.  International expenditures are estimated 
to represent 30% of the total capital program.   

The 2009 budget does not include the impact of possible asset purchases. We expect that the 2009 budget will be 
funded primarily from cash flows from operations, cash on hand, and borrowings under our revolving credit facility 
and/or other financing. We will evaluate the level of capital spending throughout the year based on drilling results, 
commodity prices, cash flows from operations and property acquisitions and divestitures.  

RESULTS OF OPERATIONS 

Net Income 

Net income for 2008 was $1.4 billion, a 43% increase over 2007. Factors contributing to the increase in net income 
included the following: 

•  $629 million, or 19%, increase in total revenues, due primarily to higher commodity prices; and 
•  $440 million gain on derivative instruments; 

offset by: 

•  $294 million impairment of assets; 
•  $106 million increase in total production costs; 
•  $55 million increase in DD&A expense; and 
•  $38 million write-down of receivable from Semcrude, L.P.  

32 

 
Net income for 2007 was $944 million, a 39% increase over 2006. Factors contributing to the increase in net income 
from 2006 to 2007 included the following: 

•  $332 million, or 11%, increase in total revenues, due primarily to higher average realized commodity prices 

and an increase in income from equity method investees; and 

• $394 million decrease in loss on derivative instruments; 

offset by: 

•  $208 million decrease in gains from asset sales; 
•  $103 million increase in DD&A expense; 
•  $51 million loss on involuntary conversion expense; and 
•  $51 million increase in oil and gas exploration expense. 

Discontinuance of Cash Flow Hedge Accounting – Effective January 1, 2008, we discontinued cash flow hedge 
accounting on all existing commodity contracts (or “commodity derivative instruments”). We voluntarily made this 
change to provide greater flexibility in our use of derivative instruments. From January 1, 2008 forward, we 
recognize all gains and losses on such instruments in earnings in the period in which they occur. The discontinuance 
of cash flow hedge accounting for commodity derivative instruments has no impact on our net assets or cash flows 
and previously reported amounts have not been adjusted. However, the use of mark-to-market accounting adds 
volatility to our net income.  

Net income for 2008 included a $440 million gain on commodity derivative instruments, of which $82 million was a 
pre-tax realized loss, and $522 million was a pre-tax, unrealized, non-cash gain due to the change in the mark-to-
market value of our commodity contracts related to production in future periods. Unrealized mark-to-market gains 
or losses recognized in the current period will be realized in the future when they are cash settled in the month that 
the related production occurs. The amount of gain or loss actually realized may be more or less than the amount of 
unrealized mark-to-market gain or loss previously reported. 

Oil, Gas and NGL Sales 

Revenues from sales of commodities were as follows: 

Crude oil and condensate sales
Natural gas sales
NGL sales (1)
Total

2008

$           2,101 
             1,375 
175
3,651

$           

Year Ended December 31,
2007
(in millions)
$           1,694 
             1,272 
-
2,966

$           

2006

 $           1,489 
              1,212 
-
2,701

$           

(1)   For 2007 and 2006, US NGL sales volumes were included with natural gas volumes.  Effective in 2008, we 

began reporting US NGLs separately, which has lowered the comparative natural gas sales revenues from 2007 
to 2008. 

33 

 
                
                     
                     
 
Average daily sales volumes and average realized sales prices were as follows: 

Sales Volumes

Average Realized Sales Prices

Crude Oil & 
Condensate
(MBopd)

Natural
Gas (1)
(MMcfpd)

NGLs (1)
(MBpd)

Crude Oil & 
Condensate
(Per Bbl)

Natural
Gas (1)
(Per Mcf) 

NGLs (1)
(Per Bbl)

Year Ended December 31, 2008
United States (2)
West Africa (3)

North Sea

Israel
Ecuador (4)
Other International 
Total Consolidated Operations
Equity Investees (5)
Total
Year Ended December 31, 2007
United States (2)
West Africa (3)

North Sea

Israel
Ecuador (4)
Other International 
Total Consolidated Operations
Equity Investees (5)
Total

Year Ended December 31, 2006
United States (2)
West Africa (3)
North Sea
Israel
Ecuador (4)
Other International 
Total Consolidated Operations
Equity Investees (5)
Total

40

15

10

-

-
4
69

2
71

42

15

13

-

-
7
77

2
79

46
18
4
-
-
7
75
2
77

395

206

5

139

22
-
767

-
767

412

132

6

111

26
-
687

-
687

452
45
8
93
25
-
623
-
623

9

-

-

-

-
-
9

6
15

-

-

-

-

-
-
-

6
6

-
-
-
-
-
-
-
6
6

$     

75.53

$    

8.12

$    

50.15

88.95

100.56

-

-
82.66
82.60

0.27

10.54

3.10

-
-
5.04

-

-

-

-
-
50.15

96.77
82.96

$     

-
5.04

$    

58.81
53.45

$    

$     

53.22

$    

7.51

$           
-

71.27

76.47

-

-
53.69
60.61

0.29

6.54

2.79

-
-
5.26

-

-

-

-
-
-

74.87
60.94

$     

-
5.26

$    

48.87
48.87

$    

$     

$    

50.68
62.51
67.43
-
-
52.05
54.47
66.60
54.75

6.61
0.37
8.00
2.72
-
-
5.55
-
5.55

$           
-
-
-
-
-
-
-
40.10
40.10

$    

$     

$    

 (1)   For  2007  and  2006,  US  NGL  sales  volumes  were  included  with  natural  gas  volumes.  Effective  in  2008,  we 
began reporting US NGLs separately, which has lowered the comparative natural gas sales volumes from 2007 
to 2008. 

(2)   Average realized crude oil and condensate prices reflect reductions of $22.06 per Bbl for 2008, $13.68 per Bbl 
for 2007, and $11.41 per Bbl for 2006 from hedging activities. Average realized natural gas prices reflect 
increases of $0.23 per Mcf for 2008 and $1.12 per Mcf for 2007, and a reduction of $0.25 per Mcf for 2006 
from hedging activities.  The price increases and reductions resulted from hedge gains and losses that had been 
previously deferred in accumulated other comprehensive income or loss (AOCL).   

(3)   Average realized crude oil and condensate prices reflect reductions of $7.59 per Bbl for 2008 and $2.19 per Bbl 
for 2007 from hedging activities.  The price reductions resulted from hedge losses that had been previously 
deferred in AOCL. We did not hedge West Africa crude oil sales in 2006. Natural gas from the Alba field in 
Equatorial Guinea is under contract for $0.25 per MMBtu to a methanol plant, an LPG plant and an LNG plant. 
The methanol and LPG plants are owned by affiliated entities accounted for under the equity method of 
accounting.  Natural gas volumes sold to the LNG plant totaled 163 MMcfpd in 2008 and 78 MMcfpd in 2007. 
The natural gas sold to the LNG and methanol plants has a lower Btu content than the natural gas sold to the 

34 

 
                 
            
               
                 
            
                
       
      
             
                 
                
                
     
    
             
                    
            
                
              
      
             
                    
              
                
              
            
             
                   
                 
                
       
            
             
                 
            
               
       
      
      
                   
                 
               
       
            
      
                 
            
             
                 
            
                
                 
            
                
       
      
             
                 
                
                
       
      
             
                    
            
                
              
      
             
                    
              
                
              
            
             
                   
                 
                
       
            
             
                 
            
                
       
      
             
                   
                 
               
       
            
      
                 
            
               
                 
            
                
                 
              
                
       
      
             
                   
                
                
       
      
             
                    
              
                
              
      
             
                    
              
                
              
            
             
                   
                 
                
       
            
             
                 
            
                
       
      
             
                   
                 
               
       
            
      
                 
            
               
 
LPG plant. As a result of the increase in natural gas volumes sold to the LNG plant in 2008, the average price 
received on an Mcf basis is lower. 

(4)   The natural gas-to-power project in Ecuador is 100% owned by our subsidiaries and intercompany natural gas 
sales are eliminated for accounting purposes. Electricity sales are included in other revenues. See Electricity 
Sales below. 

(5)   Volumes represent sales of condensate and LPG from the Alba plant in Equatorial Guinea. See Equity Method 

Investees below. 

Crude oil and condensate sales volumes in the table above may differ from actual production volumes due to the 
timing of liquid hydrocarbon tanker liftings. Crude oil and condensate production volumes were as follows: 

United States
West Africa
North Sea
Other International
Total Consolidated Operations
Equity Investees
Total

2008

2006

Year Ended December 31,
2007
(MBopd)
42
15
13
7
77
2
79

40
14
10
4
68
2
70

46
17
4
8
75
2
77

If the realized gains and losses on commodity derivative instruments, which are included in (gain) loss on 
commodity derivative instruments, had been included in oil and gas revenues, average realized prices would have 
been as follows: 

United States 
West Africa 
Total Consolidated Operations
Total

Year Ended December 31,2008 (1)

$         

Crude Oil & 
Condensate
(Per Bbl)
71.68
85.98
79.75
80.19

Natural
Gas 
(Per Mcf) 
8.05
$       
0.27
5.00
5.00

(1) 

In 2007 and 2006 we applied cash flow hedge accounting.  

Crude Oil and Condensate Sales  

2008 Compared with 2007 —Crude oil sales increased a net $407 million, or 24%, in 2008 as compared with 2007. 
The increase was affected by both volume and price changes. In the US, crude oil sales increased by $286 million 
due to higher average realized prices. Sales volumes declined due to hurricane-related production shut-ins in the 
Gulf of Mexico from Hurricanes Gustav and Ike and declining production in the Gulf Coast onshore and Mid-
continent areas of our US operations, offset by growth in the Rocky Mountains area of our US operations. 

Internationally, West Africa crude oil sales increased $88 million due to higher average realized prices. North Sea 
crude oil sales increased $39 million due to higher average realized prices, while sales volumes were affected by 
natural field decline. Other international crude oil sales decreased $6 million primarily due to natural field decline in 
China. 

Fourth quarter 2008 crude oil sales were significantly impacted by declining prices. Our average realized crude oil 
prices were $33.16 per Bbl for the US and $43.80 per Bbl for total consolidated operations for fourth quarter 2008. 

2007 Compared with 2006—Crude oil sales increased a net $205 million, or 14%, in 2007 as compared with 2006. 
The increase was affected by both volume and price changes. In the US, crude oil sales declined by $25 million 
from the previous year. Deepwater Gulf of Mexico volumes were lower due to well performance, third-party facility 
restrictions and storm-related shut-ins. The Gulf Coast onshore area had lower production due to natural field 
decline, and a loss of production from the sale of our significant Gulf of Mexico shelf properties in 2006. Northern 
region production was negatively impacted by severe winter weather in the Rocky Mountains in the first and fourth 
quarters of 2007. However, development activity in the Wattenberg field, as well as a full year of production from 
U.S. Exploration properties acquired in 2006, resulted in increased production in our Northern region. The overall 
US volume decline was partially offset by higher average realized prices. 

35 

 
          
          
            
          
          
            
          
          
              
            
            
              
          
          
            
            
            
              
          
          
            
 
           
         
           
         
           
         
 
Internationally, West Africa crude oil sales declined by $15 million from the previous year. Volumes declined due to 
increased downtime and lower condensate yields in Equatorial Guinea, but the decline was offset by substantially 
higher average realized crude oil prices. In January 2007, production began at the Dumbarton development in the 
North Sea, and, as a result, crude oil production was more than triple that of the prior year. North Sea crude oil sales 
increased $257 million over 2006 due to the increased volumes and, to a lesser extent, higher average realized 
prices. Other international crude oil sales declined $12 million. China experienced lower volumes due to facility 
downtime and natural field decline.  

Crude oil sales include amounts reclassified from AOCL related to commodity derivative instruments which were 
accounted for as cash flow hedges through December 31, 2007.  Amounts included decreases of $365 million in 
2008, $223 million in 2007, and $191 million in 2006.  See Item 8. Financial Statements and Supplementary Data—
Note 6—Derivative Instruments and Hedging Activities. 

Natural Gas Sales 

2008 Compared with 2007—Natural gas sales increased a net $103 million, or 8%, in 2008 as compared with 2007. 
The increase was affected by both volume and price changes. In the US, natural gas sales increased $44 million 
primarily due to higher commodity prices despite lower sales volumes. Lower volumes were the result of several 
factors including hurricane-related production shut-ins in the Gulf of Mexico from Hurricanes Gustav and Ike, 
reduction for shrink gas associated with the natural gas liquids now being reported separately, and declining 
production in the Gulf Coast onshore and Mid-continent areas of our US operations. The volume decline was offset 
by a successful drilling program in the Piceance basin along with less severe winter weather in the Rocky Mountains 
area of our US operations.   

Internationally, West Africa gas sales increased $6 million from the previous year. Natural gas volumes were higher 
due to increased sales of natural gas from the Alba field in Equatorial Guinea; however, the effect of higher 
production was somewhat offset by lower average realized gas prices. In the North Sea, sales increased $6 million 
primarily due to higher average realized prices. In Israel, natural gas sales increased $44 million due to record sales 
volumes, which included the commencement of sales to the IEC power plant at Gezer, and higher average realized 
prices.  

Fourth quarter 2008 natural gas sales were significantly impacted by declining prices. Our average realized natural 
gas prices were $5.30 per Mcf for the US and $3.62 per Mcf for total consolidated operations for fourth quarter 
2008.  

2007 Compared with 2006—Natural gas sales increased a net $60 million, or 5%, in 2007 as compared with 2006. 
The increase was affected by both volume and price changes. In the US, natural gas sales increased $40 million from 
the previous year despite lower sales volumes. Deepwater Gulf of Mexico volumes were slightly higher than 2006, 
while development activity in the Piceance basin and a full year of production from U.S. Exploration properties 
acquired in 2006 resulted in increased production in the Northern region. However, the Gulf Coast onshore area had 
lower production due to natural field decline, and there was a loss of production due to the sale of our significant 
Gulf of Mexico shelf properties in 2006. The Northern region also experienced a temporary decline in production 
due to third party processing downtime and inclement weather. The net production decrease was more than offset by 
a 14% increase in average realized natural gas prices. 

Internationally, West Africa natural gas sales increased $8 million from the previous year. Natural gas volumes were 
higher due to increased sales of natural gas from the Alba field in Equatorial Guinea; however, the effect of higher 
production was somewhat offset by lower average realized gas prices. In the North Sea, natural gas production 
decreased 23% as compared with the prior year primarily due to natural field decline. Lower production, combined 
with lower average realized prices, resulted in a $9 million decrease in North Sea natural gas sales. In Israel, natural 
gas sales increased $21 million due to record sales volumes. There was a full year of sales to the IEC Reading power 
plant in Tel Aviv, as well as the start up of sales to a desalinization plant and a paper mill. 

Natural gas revenues include amounts reclassified from AOCL related to commodity derivative instruments which 
were accounted for as cash flow hedges through December 31, 2007.  Amounts included increases of $34 million in 
2008 and $169 million in 2007, and a decrease of $41 million in 2006.  See Item 8. Financial Statements and 
Supplementary Data—Note 6—Derivative Instruments and Hedging Activities. 

36 

 
NGL Sales 

Effective in 2008, we began reporting US NGL sales separately. This has lowered the comparative natural gas sales 
volumes and revenues from 2007 to 2008. Most of our US NGL production is from the Wattenberg field and 
deepwater Gulf of Mexico. 

Income from Equity Method Investees 

We have a 45% interest in AMPCO, which owns and operates a methanol plant and related facilities. We also have a 
28% interest in Alba Plant, which owns and operates an LPG processing plant. The plants and related facilities are 
located in Equatorial Guinea. We account for investments in entities that we do not control but over which we exert 
significant influence using the equity method of accounting.  

Our share of operations of equity method investees was as follows: 

Net income 
AMPCO and affiliates
Alba Plant 
Distributions/dividends
AMPCO and affiliates
Alba Plant
Sales volumes
Methanol (MMgal) (1)
Condensate (MBopd)
LPG (MBpd)
Production volumes
Methanol (MMgal) (1)
Condensate (MBopd)
LPG (MBpd)
Average realized prices
Methanol (per gallon)
Condensate (per Bbl)
LPG (per Bbl)

2008

Year Ended December 31,
2007
(in millions, except as noted)
$          83 
          128 

$          56 
          118 

 $         38 
          101 

2006

            65 
          156 

            97 
132

            37 
151

          119 
              2 
              6 

          116 
              2 
              6 

          161 
              2 
              6 

          110 
              2 
              6 

          163 
              2 
              6 

          109 
              2 
              6 

$       1.25 
96.77
58.81

$       1.09 
       74.87 
       48.87 

 $      0.90 
       66.60 
       40.10 

(1)   The variance between methanol production and sales volumes is attributable to management’s decision to 

increase or decrease inventory. 

AMPCO and Affiliates — Net income from AMPCO and affiliates decreased $27 million, or 33%, in 2008 as 
compared with 2007 due to decreases in methanol sales volumes that resulted from 95 days of down time for 
compressor and other equipment repair and maintenance. The decreases in methanol sales volumes were offset by 
higher average realized methanol prices. 

Net income from AMPCO and affiliates increased substantially in 2007 as compared with 2006 due to increases in 
methanol sales volumes and average realized methanol prices. The increase in methanol sales volumes was due to a 
57-day shutdown of methanol production for the plant turnaround that occurred during May and June 2006 followed 
by 35 days of compressor repairs. 

Alba Plant—Net income from Alba Plant decreased $10 million, or 8%, in 2008 as compared with 2007 primarily 
due to the expiration of the Alba Plant tax holiday, offset by higher average realized condensate and LPG prices. Net 
income from Alba Plant increased $27 million, or 27%, in 2007 as compared with 2006 due to increases in average 
realized condensate and LPG prices.  

Our operating cash flows include dividends received from Alba Plant of $156 million in 2008 and $132 million in 
2007. In 2006, distributions received from Alba Plant were classified within investing cash flows as a repayment of 
a loan. The change in classification was the result of all outstanding loans being repaid to us by Alba Plant in 
December 2006. 

Other Revenues 

Other  revenues  include  electricity  sales  and  gathering,  marketing  and  processing  revenues.  See  Electricity  Sales 
below. See also Item 8. Financial Statements – Note 2 – Summary of Significant Accounting Policies. 

37 

 
          
         
       
       
 
Costs and Expenses 

Production Costs—Production costs were as follows: 

Total

United West North
Sea
States Africa
(in millions)

Other Int'l/
Corporate (1)

Israel

Year Ended December 31, 2008
Oil and gas operating costs (2) 
Workover and repair expense 
Lease operating expense
Production and ad valorem taxes
Transportation expense 
Total production costs 

Year Ended December 31, 2007
Oil and gas operating costs (2) 
Workover and repair expense 
Lease operating expense
Production and ad valorem taxes
Transportation expense 
Total production costs 

Year Ended December 31, 2006
Oil and gas operating costs (2) 
Workover and repair expense 
Lease operating expense
Production and ad valorem taxes
Transportation expense 
Total production costs 

$       

$    

$    

$     

$      

$       

$    

$    

$     

$       

$    

$    

333
38
371
166
57
594

299
23
322
114
52
488

270
47
317
109
29
455

222
35
257
135
49
441

190
23
213
91
40
344

205
47
252
86
21
359

39
-
39
-
-
39

39
-
39
-
-
39

27
-
27
-
-
27

$     

38
-
38

11
49

$     

50
3
53
-
7
60

12
-
12
-
7
19

9$     
-
9
-
-
9$     

8$     
-
8
-
-
8$     

9$     
-
9
-
-
9$     

$       

$    

$    

$       

$    

$    

$     

$      

$      

$      

$      

13
-
13
31
1
45

24
-
24
23
1
48

17
-
17
23
1
41

$       

$    

$    

$     

$      

(1)   Other international includes Ecuador, China and Argentina (through February 2008). 
(2)   Oil and gas operating costs include labor, fuel, repairs, replacements, saltwater disposal and other related lifting 

costs and exclude depreciation of support equipment and facilities such as vehicles. 

Oil and gas operating costs increased $34 million, or 11%, in 2008 as compared with 2007. The increase is primarily 
the result of higher costs related to the continuing active drilling program in the Rocky Mountains and Mid-
continent areas of our US operations. North Sea oil and gas operating costs increased due to expanded operations 
and higher costs at the Dumbarton development.   

Oil and gas operating costs increased $29 million, or 11%, in 2007 as compared with 2006. The increase was 
primarily the result of expanded operations in Equatorial Guinea and the North Sea.  

Workover and repair expense increased $15 million, or 65%, in 2008 as compared with 2007. The increase was 
primarily due to increased workover activity in the Piceance basin, Wattenberg field, and Mid-continent and Gulf 
Coast areas of our US operations. 

Workover and repair expense decreased $24 million, or 51%, in 2007 as compared with 2006. The decrease was 
primarily due to a reduction in hurricane-related repair expense, which totaled $30 million in 2006 and $1 million in 
2007.  

Production and ad valorem tax expense increased $52 million, or 46%, in 2008 as compared with 2007, and 
increased $5 million, or 5%, in 2007 as compared with 2006. The increases were driven primarily by higher 
commodity prices and also by an increase in volumes subject to such taxes, mainly in the Northern region of our US 
operations. 

Transportation expense increased $5 million, or 10%, in 2008 as compared with 2007. The increase was due 
primarily to higher natural gas production in the Wattenberg field and increased production from the Swordfish 
development in the deepwater Gulf of Mexico. 

38 

 
           
        
         
         
       
           
         
      
      
       
       
        
         
      
         
          
       
        
           
        
         
         
       
          
           
        
         
          
       
           
         
      
      
       
       
        
         
        
         
       
        
           
        
         
       
       
          
           
        
         
          
       
           
         
      
      
       
       
        
         
        
         
          
       
        
           
        
         
         
       
          
Transportation expense increased $23 million, or 79%, in 2007 as compared with 2006. The increase was due 
primarily due to changes in the terms of certain sales contracts for Northern region production and increased 
production in the North Sea. 

Selected expenses on a per BOE of sales volume basis were as follows: 

Year Ended December 31,
2007

2006

2008

Oil and gas operating  costs 
Workover and repair expense 
Lease operating costs
Production and ad valorem taxes
Transportation expense
Total production costs (1)

$      

4.39
0.51
4.90
2.19
0.75

$      

4.29
0.33
4.62
1.63
0.74

$       

4.14
0.72
4.86
1.67
0.44

$      

7.84

$      

6.99

$       

6.97

(1)   Consolidated unit rates exclude sales volumes and costs attributable to equity method investees. Sales volumes 
include natural gas sales to an LNG plant in Equatorial Guinea that began late first quarter of 2007. The 
inclusion of these volumes reduced the unit rate by $1.19 per BOE for 2008 and $0.51 per BOE for 2007. 

The unit rates of total production costs per BOE have been increasing year-over-year since 2006. The increases are 
due to rising third-party costs, higher production taxes and increased workover activity in the Piceance basin, 
Wattenberg field, and Mid-continent and Gulf Coast areas of our US operations. 

Oil and Gas Exploration Expense—Exploration expense was as follows: 

Total

United West North

States Africa

Sea
(in millions)

Other Int'l/
 Corporate (1)

Israel

Year Ended December 31, 2008
Dry hole expense
Seismic
Staff expense
Other
Total exploration expense
Year Ended December 31, 2007
Dry hole expense
Seismic
Staff expense
Other
Total exploration expense
Year Ended December 31, 2006
Dry hole expense
Seismic
Staff expense
Other
Total exploration expense

$       

$      

$     

$    

$       

$      

$     

$     

$    

$     

$       

$      

42
50
14
13
119

50
55
12
17
134

66
29
13
20
128

1
$       
-
7
-
$       
8

40
1
2
-
43

-
$        
4
3
-
$       
7

8
$       
4
5
1
18

$     

$       
-
8
9
-
17

$     

4
$       
1
5
1
11

$     

-
$      
3
1
-
$     
4

-
$      
1
1
-
$     
2

-
$      
-
-
-
$      
-

$     

33
-
35
-
68

$     

-
$        
-
22
1
23

$     

-
$        
4
18
-
22

$     

84
57
62
14
217

90
65
46
18
219

70
38
39
21
168

$     

$    

(1)  Other international includes Ecuador, China, Argentina (through February 2008), Suriname and other 

international new ventures. 

Exploration expense was flat in 2008 as compared with 2007. Dry hole expense in 2008 related to exploratory 
drilling in Suriname ($33 million), the deepwater Gulf of Mexico ($35 million), the North Sea ($8 million), and 
other onshore US areas ($7 million).  

Exploration expense increased $51 million, or 30%, in 2007 as compared with 2006. US dry hole expense decreased 
$16 million due to a reduction in the number of dry holes drilled in 2007. Dry hole expense increased $40 million in 
West Africa and included amounts related to a dry exploratory well in Equatorial Guinea and expense related to a 
secondary target of an exploration well in Cameroon. Seismic expense increased a net $27 million in 2007 as 
compared with 2006, primarily due to increases in US seismic expense incurred in support of the 2007 central Gulf 

39 

 
 
        
        
         
        
        
         
        
        
         
        
        
         
 
         
        
          
         
       
          
         
        
         
         
       
       
         
        
          
         
        
          
         
        
         
         
       
          
         
        
         
         
       
       
         
        
          
         
        
         
         
        
         
         
        
         
         
        
         
         
        
       
         
        
          
         
        
          
 
of Mexico outer continental shelf sale. Staff expense increased a net $7 million primarily due to new venture 
activity. 

Exploration expense included stock-based compensation expense of $1 million in 2008, $2 million in 2007 and $1 
million in 2006. 

Depreciation, Depletion and Amortization Expense—Depreciation, depletion and amortization (DD&A) expense 
was as follows: 

United States
West Africa
North Sea
Israel
Other international, corporate, and other
Total DD&A expense (1)
Unit rate of DD&A per BOE (2)

2008

$         

2006

$       

Year Ended December 31,
2007
(in millions)
$        
580
25
81
18
32

646
34
55
24
32

552
24
9
14
34

$         

791

$        

736

$       

633

$      

10.44

$     

10.55

$      

9.71

(1)   DD&A expense includes accretion of discount on asset retirement obligations of $10 million in 2008, $8 million 

in 2007, and $11 million in 2006. 

(2)   Consolidated unit rates exclude sales volumes and costs attributable to equity method investees.  Sales volumes 

include natural gas sales to an LNG plant in Equatorial Guinea that began late first quarter of 2007. The 
inclusion of these volumes reduced the unit rate by $1.29 per BOE for 2008 and $0.63 per BOE for 2007. 

Total DD&A expense increased in 2008 as compared with 2007 due to several factors including higher acquisition 
and/or development costs in the Wattenberg field and other Rocky Mountain and Mid-continent areas in the US, 
negative year-end reserve revisions in the US due to lower commodity prices, and higher natural gas sales volumes 
in Israel and West Africa, offset by declining production in the North Sea. 

Total DD&A expense increased in 2007 as compared with 2006 primarily due to higher crude oil sales volumes in 
the North Sea due to start-up of the Dumbarton development, higher natural gas sales volumes in Israel and West 
Africa and higher acquisition and/or development costs in the North Sea and in the Wattenberg field and deepwater 
Gulf of Mexico in the US.  

The decrease in the unit rate for 2008 as compared with 2007 is due to a change in the mix of production.  Increased 
production of lower-cost natural gas volumes from the Alba field in Equatorial Guinea and Israel were partially 
offset by increased production from areas with higher acquisition and/or development costs (the Wattenberg field 
and other Rocky Mountain and Mid-continent areas in the US) and negative year-end reserve revisions in the US 
due to lower commodity prices. 

The increase in the unit rate for 2007 as compared with 2006 was primarily due to higher acquisition and 
development costs in the US and the North Sea Dumbarton development. 

DD&A expense includes abandoned assets cost of $5 million in 2007 and $1 million in 2006. There was no 
abandoned asset cost in 2008. 

General and Administrative Expense—General and administrative (G&A) expense was as follows: 

G&A expense (in millions)
Unit rate per BOE (1)

Year Ended December 31,
2007

2006

2008

$              

236

$              

206

$              

165

$             

3.12

$             

2.96

$             

2.52

(1)   Consolidated unit rates exclude sales volumes and costs attributable to equity method investees. Sales volumes 
include natural gas sales to an LNG plant in Equatorial Guinea that began late first quarter of 2007. The 
inclusion of these volumes reduced the unit rate by $0.47 per BOE for 2008 and $0.21 per BOE for 2007. 

G&A expense increased $30 million, or 15%, in 2008 as compared with 2007.  Our increased activities require 
additional personnel, which has resulted in higher payroll costs. We have also increased our incentive compensation 
accruals.  

40 

 
             
            
           
             
            
             
             
            
           
             
            
           
 
 
G&A expense increased $41 million, or 25%, in 2007 as compared with 2006 due to higher salaries and wages, 
including incentive compensation programs, resulting from an increase in the number of employees and results 
exceeding targeted performance goals.  

In addition, the amount of stock-based compensation expense included in G&A has been increasing since the 
adoption of SFAS No. 123(R), “Share-Based Payment” in 2006 combined with additional equity-based awards. 
Stock-based compensation expense included in G&A totaled $38 million in 2008, $25 million in 2007 and $11 
million in 2006. 

G&A also includes actuarially-computed net periodic benefit cost related to pension and other postretirement benefit 
plans of $17 million in 2008, $17 million in 2007, and $19 million in 2006. 

Impairment of Assets—During 2008, we recorded total pre-tax (non-cash) impairment charges of $294 million 
primarily due to lower commodity prices at year-end. We recorded impairments of $4 million in 2007 and 
$9 million in 2006, primarily related to downward reserve revisions on proved US oil and gas properties and/or 
adjustment of the carrying value of properties to their fair values. See Critical Accounting Policies – Impairment of 
Proved Oil and Gas Properties and Other Investments and Impairment of Unproved Oil and Gas Properties; and Item 
8. Financial Statements – Note 3 – Asset Impairments. 

Gain on Sale of Assets—See Item 8. Financial Statements and Supplementary Data—Note 4—Acquisitions and 
Divestitures. 

Other Operating Expense, Net – Other operating expense, net includes electricity generation expense, gathering, 
marketing and processing expense, loss on involuntary conversion of assets and other operating (income) expense, 
net. See Electricity Sales and Loss on Involuntary Conversion below. See also Item 8. Financial Statements – Note 2 
– Summary of Significant Accounting Policies and Note 17 – Commitments and Contingencies - Purchaser 
Bankruptcy for a discussion of the SemCrude matter.  

Electricity Sales—We have a 100% ownership interest in an integrated natural gas-to-power project. The project 
includes the Amistad natural gas field, offshore Ecuador, which supplies fuel to the Machala power plant. Electricity 
sales are included in other revenues and electricity generation expense is included in other operating expense, net in 
the consolidated statements of operations. 

Operating data is as follows: 

Electricity sales
Electricity generation expense
Operating income
Power generation (GW)
Average power price ($/Kwh)

2008

Year Ended December 31,
2007
(in millions, except as noted)

2006

$                

56
57
                  (1)
                749 
$           
0.074

$                

71
57
                  14 
                912 
$           
0.078

$                

72
59
                   13 
                 866 
$           
0.083

The volume of natural gas produced and electric power generated in Ecuador are related to thermal electricity 
demand in Ecuador which typically declines at the onset of the rainy season. When Ecuador has sufficient rainfall to 
allow hydroelectric power producers to provide base load power, we provide electricity only to meet peak demand. 
As seasonal rains subside, we experience increasing demand for thermal electricity. 
Electricity generation expense includes DD&A expense and changes in the allowance for doubtful accounts of $11 
million in 2008, $14 million in 2007, and $15 million in 2006.  Through December 31, 2008, we recorded an 
allowance for doubtful accounts of $57 million. The allowance was necessary to cover potentially uncollectible 
balances related to the Ecuador power operations, as certain entities purchasing electricity in Ecuador have been 
slow to pay amounts due us. As a result of pursuing various strategies to protect our interests, including international 
arbitration and litigation, we reached a settlement in fourth quarter 2008. However, we have not yet received any 
funds related to the settlement. We will reverse our allowance for doubtful accounts upon receipt of payment from 
the Ecuadorian government. If not received in the near term, we may continue pursuing our arbitration claim and 
litigation.  
As a result of the depressed economic environment, coupled with a severe decrease in commodity prices during the 
fourth quarter of 2008, we assessed the recoverability of our Ecuador investment. As a result of this analysis we 
determined that our investment was impaired and recorded a pre-tax (non-cash) impairment of $70 million.  See 
Critical Accounting Policies – Impairment of Proved Oil and Gas Properties and Other Investments and Item 8. 
Financial Statements – Note 3 – Asset Impairments. 

41 

 
                  
                  
                  
 
Loss on Involuntary Conversion— We recorded losses on involuntary conversion of $9 million in 2008 and $51 
million in 2007 related to hurricane damage to our Gulf of Mexico Main Pass assets. The amounts are included in 
other operating expense, net in the consolidated statements of operations. See Item 8. Financial Statements and 
Supplementary Data—Note 2—Summary of Significant Accounting Policies. 

(Gain) Loss on Commodity Derivative Instruments— We recorded a gain of $440 million in 2008, a gain of $2 
million in 2007, and a loss of $392 million in 2006 related to commodity derivative instruments. See Item 8. 
Financial Statements and Supplementary Data—Note 6—Derivative Instruments and Hedging Activities. 

Interest Expense and Capitalized Interest—Interest expense and capitalized interest were as follows: 

Interest expense
Capitalized interest
Interest expense, net

2008

$              

$                

Year Ended December 31,
2007
(in millions)
130
$              
(17)
113

$              

102
(33)
69

2006

$              

$              

130
(13)
117

Interest expense decreased in 2008 as compared with 2007 due to declining interest rates applicable to our credit 
facility from 5.28% at December 31, 2007 to 0.80% at December 31, 2008, partially offset by a higher amount 
outstanding under our credit facility during 2008. 

Interest expense was flat in 2007 as compared with 2006. The rate of interest applicable to the credit facility 
declined from 5.69% at December 31, 2006 to 5.28% at December 31, 2007, while the balance outstanding 
increased slightly.  

Interest is capitalized on exploration and development projects using an interest rate equivalent to the average rate 
paid on long-term debt. Capitalized interest is included in the cost of oil and gas assets and amortized with other 
costs on a unit-of-production basis. The majority of the capitalized interest is related to long lead-time projects in 
West Africa and deepwater Gulf of Mexico and numerous projects in the Rocky Mountains area in 2008; West 
Africa, the North Sea and deepwater Gulf of Mexico in 2007; and the North Sea and deepwater Gulf of Mexico in 
2006. See Item 8. Financial Statements and Supplementary Data—Note 7 – Exploratory Well Costs. 

We occasionally enter into forward contracts or swap agreements to hedge exposure to interest rate risk. At 
December 31, 2008, AOCL included a deferred loss of $3 million, net of tax, related to interest rate swaps. This 
amount is being reclassified into earnings, at the rate of $0.8 million per year, as an adjustment to interest expense 
over the term of our 5¼% senior notes due 2014. See Item 8. Financial Statements and Supplementary Data—Note 
6—Derivative Instruments and Hedging Activities. 

Other (Income) Expense, net— Other (income) expense, net includes deferred compensation (income) expense, 
interest income and other (income) expense, net. See Deferred Compensation (Income) Expense below. See also 
Item 8. Financial Statements – Note 2 – Summary of Significant Accounting Policies. 

Deferred Compensation (Income) Expense—In connection with the Patina Merger in 2005, we acquired the assets 
and assumed the liabilities related to a deferred compensation plan. The assets of the deferred compensation plan are 
held in a rabbi trust and include shares of our common stock and mutual fund investments. At December 31, 2008, 
approximately 42% of the market value of the assets in the rabbi trust related to our common stock. Increases in the 
market value of our common stock held in the trust result in the recognition of deferred compensation expense. 
Decreases in the market value of our common stock held in the trust result in the recognition of deferred 
compensation income. We recognized deferred compensation income of $32 million in 2008 and deferred 
compensation expense of $33 million in 2007 and $16 million in 2006. The amounts are included in other (income) 
expense, net  in the consolidated statements of operations. See Item 8. Financial Statements and Supplementary 
Data— Note 2 – Summary of Significant Accounting Policies and Note 12—Benefit Plans. 

Income Tax Provision—The income tax provision was as follows: 

Income tax provision (in millions)
Effective rate

Year Ended December 31,
2007

2006

2008

$              

711
34.5%

$              

424
31.0%

$              

418
38.1%

Our effective tax rate increased in 2008 compared to 2007 primarily due to the fact that pre-tax earnings increased 
by a proportionately greater amount than our excludible permanent differences.  In addition, there was a rate 
increase due to (1) a partial shift of taxable income from lower rate jurisdictions such as Equatorial Guinea and 

42 

 
                 
                 
                 
 
 
Israel to higher rate jurisdictions, (2) the recording of US deferred taxes on the anticipated repatriation of a portion 
of our foreign earnings, and (3) the recording of an impairment for a foreign asset on which the tax benefit was 
offset by a valuation allowance. See Liquidity and Capital Resources–Overview – Cash and Cash Equivalents 
below. 

Several factors resulted in a decrease in our effective tax rate for 2007 as compared with 2006. The major factor was 
that, in 2006, $100 million of goodwill write-off associated with the sale of Gulf of Mexico shelf properties was not 
deductible, which increased the rate for 2006. Other factors were an increase in deferred tax assets arising from 
foreign tax credits, a decrease in the Chinese tax rate, and the realization of additional income from equity method 
investees which is a favorable permanent difference in calculating the income tax expense.   

In addition to the nondeductible goodwill write-off of $100 million related to the sale of Gulf of Mexico shelf 
properties discussed in the preceding paragraph, the 2006 effective tax rate was impacted by decreases in our US 
deferred tax assets arising from future foreign tax credits due to changes in the limitation on our ability to claim 
foreign tax credits. In addition, a change in UK tax law increased our UK tax expense in 2006 as compared with 
2005. Offsetting these increases was a reduction in the effective tax rate due to an increase in earnings from equity 
method investees, which is a favorable permanent difference in calculating income tax expense. See Item 8. 
Financial Statements – Note 9 —Income Taxes. 

LIQUIDITY AND CAPITAL RESOURCES 

Overview 

Our primary cash needs are to fund operating expenses and capital expenditures related to the acquisition, 
exploration and development of crude oil and natural gas properties, to repay outstanding borrowings and associated 
interest payments and other contractual commitments and to pay dividends. Traditional sources of liquidity are cash 
on hand, cash flows from operations and available borrowing capacity under credit facilities. Occasional sales of 
non-strategic crude oil and natural gas properties may also generate cash. 

The recent disruption in the credit markets has had a significant adverse impact on a number of financial institutions. 
We have reviewed the creditworthiness of the banks and financial institutions with which we maintain our 
investments as well as the securities underlying our investments. Thus far, our liquidity and financial position have 
not been materially impacted. However, further deterioration in the credit markets could adversely affect our results 
of operations and cash flows.  See Executive Overview - Impact of Recession and Current Credit and Commodity 
Markets. 

Cash and Cash Equivalents – We had $1.1 billion in cash and cash equivalents at December 31, 2008, compared 
with $660 million at December 31, 2007. Our cash is denominated in US dollars and is invested in highly liquid, 
investment-grade securities with original maturities of three months or less at the time of purchase. Substantially all 
of this cash is attributable to our foreign subsidiaries and most would be subject to US income taxes if repatriated. 
We currently intend to use a majority of our international cash to fund international projects, including the 
development of West Africa.  

During fourth quarter 2008, we performed an analysis of projected short-term working capital needs as well as long-
term capital requirements for our US and foreign operations. As a result, we believe it is likely that repatriation of a 
portion of the accumulated earnings of foreign subsidiaries will occur during 2009. Therefore, at December 31, 
2008, we recorded deferred taxes on the portion of those earnings that we expect will be repatriated. The recognition 
of deferred tax liabilities resulted in $9 million additional income tax expense reported in continuing operations. 

Commodity Derivative Instruments – We use various derivative contracts in connection with anticipated crude oil 
and natural gas sales to minimize the impact of product price fluctuations. Such instruments include variable to fixed 
commodity price swaps, costless collars and basis swaps. 

As of December 31, 2008, we had commodity derivative assets totaling $470 million and commodity derivative 
liabilities totaling $25 million (after consideration of netting agreements). Our hedging arrangements are currently 
with a diversified group of 11 financial institutions, substantially all of which are lenders under our credit facility 
arrangement. See Item 1A. Risk Factors – Hedging transactions may limit our potential gain and Hedging 
transactions, receivables and cash investments expose us to counterparty credit risk. 

Current period settlements on commodity derivative instruments impact our liquidity, since we are either paying 
cash to, or receiving cash from, our counterparties. If actual commodity prices are higher than the fixed or ceiling 
prices in our derivative instruments, our cash flows will be lower than if we had no derivative instruments. 
Conversely, if actual commodity prices are lower than the fixed or floor prices in our derivative instruments, our 
cash flows will be higher than if we had no derivative instruments. Except for certain minor derivative contracts that 
are entered into from time to time by our marketing subsidiary, none of our counterparty agreements contain margin 

43 

 
requirements. See additional information included in Critical Accounting Policies – Commodity Derivative 
Instruments and Item 7A. Quantitative and Qualitative Disclosures About Market Risk. 

Certain of our commodity contracts were executed in connection with the Patina Merger, prior to the global crude 
oil and natural gas price escalations which began in early 2005.  The settlements of these contracts have reduced our 
cash flows. However, these contracts expired in December 2008.  Our remaining commodity contracts were 
executed in more favorable price environments.  Although we cannot predict market prices, our remaining 
commodity contract positions should result in more favorable cash flows as compared to our commodity contract 
positions in prior periods.  See Item 8. Financial Statements and Supplementary Data – Note 6 – Derivative 
Instruments and Hedging Activities for our current hedge positions. 

Cash Flows 

Summary cash flow information is as follows: 

Total cash provided by (used in):
Operating activities
Investing activities
Financing activities
Increase in cash and cash equivalents

2008

Year Ended December 31,
2007
(in millions)

2006

$   

2,285
(2,132)
327
480

$      

$    

2,017
(1,403)
(107)
507

$       

$   

1,730
(1,098)
(589)
43

$        

Operating Activities—Net cash provided by operating activities totaled $2.3 billion in 2008, an increase of $268 
million, or 13%, as compared with 2007. The increase was primarily due to a significant increase in oil, gas and 
NGL sales resulting from higher average realized crude oil and natural gas prices during the first nine months of 
2008. The revenue increase was slightly offset by higher production costs and G&A expense. Net cash provided by 
operating activities includes dividends received from equity method investees. 

Net cash provided by operating activities was $2.0 billion in 2007, an increase of $287 million, or 17% as compared 
with 2006. The increase was due primarily to increased sales resulting from higher average realized crude oil prices 
and higher average realized US natural gas prices. These increases were partially offset by higher exploration 
expense and G&A expense. In addition, cash flows from operating activities in 2007 included dividends from equity 
method investees. Cash distributions from equity method investees received in 2006 were repayments of loans and 
were included in investing activities. See Results of Operations—Income from Equity Method Investees. 

Investing Activities—The primary use of cash in investing activities is for capital spending, which may be offset by 
proceeds from property sales or distributions from equity method investees. Net cash used in investing activities 
totaled $2.1 billion in 2008, as compared with $1.4 billion in 2007. In 2008 we had an expanded capital budget, with 
increased acquisition, development and exploratory activity in onshore US and deepwater Gulf of Mexico areas as 
well as increased exploratory activity in international locations including Equatorial Guinea and Israel. Our total 
additions to property, plant and equipment plus acquisitions ($2.3 billion) were minimally offset by proceeds from 
property sales ($131 million). 

In comparison, in 2007, we had additions to property, plant and equipment ($1.4 billion) primarily due to 
development activity in the US and North Sea and acquisition and exploratory activities in the US and West Africa. 
Expenditures were minimally offset by proceeds from property sales of $9 million.  

In comparison, in 2006 cash flows from investing activities totaled $1.1 billion. We had acquisitions and additions 
to property, plant and equipment ($1.8 billion) due to the acquisition of U.S. Exploration plus additional 
development and exploratory activity in the US and development activity in the North Sea. These expenditures were 
offset by proceeds from the sale of our significant Gulf of Mexico shelf properties ($520 million) and net 
distributions received from equity method investees ($151 million). The distributions from equity method investees 
were the result of repayment of loans and therefore were included in cash flows from investing activities. See 
Results of Operations—Income from Equity Method Investees. 

44 

 
   
     
    
        
        
       
 
Financing Activities—In 2008, net cash of $327 million was provided by financing activities. We borrowed a net 
$426 million under our credit facility in support of our expanded capital budget, noted above, which included 
significant domestic acquisition, development and exploration activities and as well as new international ventures. 
Funds were also provided by the cash proceeds from, and tax benefits related to, the exercise of stock options ($51 
million). Other financing activities included the payment of cash dividends on common stock ($115 million), the 
repayment of installment and other notes ($32 million) and the repurchase of stock ($3 million).  

In comparison, in 2007, we used cash of $107 million in financing activities. Our capital expenditures, noted above, 
were somewhat reduced from that of 2006 resulting in a need for borrowings of only a net $25 million. Funds were 
also provided by the cash proceeds from, and tax benefits related to, the exercise of stock options ($45 million). We 
were able to use available cash to finance the repurchase of two million shares of our common stock ($102 million) 
and pay cash dividends on common stock ($75 million). 

In 2006, we used cash of $589 million in financing activities. We used excess cash to reduce borrowings by a net 
$230 million, repurchase eight million shares of our common stock ($399 million), and pay cash dividends on 
common stock ($49 million). Funds were also provided by the cash proceeds from, and tax benefits related to, the 
exercise of stock options ($89 million). 

Acquisition, Capital and Other Exploration Expenditures 

Expenditure information (on an accrual basis) is as follows: 

2008

Year Ended December 31,
2007
(in millions)

2006

Acquisition, Capital and Other Exploration Expenditures
Unproved property acquisition (1)
Proved property acquisition (2)
Exploration expenditures
Development expenditures
Corporate and other expenditures
Total expenditures

$         

$        

$      

303
255
448
1,193
65
2,264

145
11
372
1,175
36
1,739

185
523
203
1,055
35
2,001

$      

$     

$   

(1)  Unproved property acquisition cost for 2008 includes $179 million for deepwater Gulf of Mexico lease blocks, 

$38 million related to the Mid-continent acquisition, $80 million related to additional onshore US lease 
acquisitions and $6 million related to international lease acquisitions. Unproved property acquisition cost for 
2006 includes $131 million allocated to properties acquired in the U.S. Exploration acquisition. 
 Proved property acquisition cost for 2008 includes $254 million related to the Mid-continent acquisition. 
Proved property acquisition cost for 2006 includes $413 million allocated to properties acquired in the U.S. 
Exploration acquisition. 

(2) 

Total expenditures in 2008 increased $525 million, or 30%, as compared with 2007. The increase was due to 
increased acquisition, development and exploratory activity in onshore US and deepwater Gulf of Mexico areas as 
well as increased exploratory activity in international locations including Equatorial Guinea and Israel.  

Total expenditures in 2007 decreased $262 million, or 13%, as compared with 2006. The decrease was due to 
significantly lower acquisition expenditures, offset by exploratory activities in West Africa and the North Sea, and 
increased development activity in the Northern region and Gulf of Mexico area of our US operations.  

Insurance Recoveries 

Our corporate insurance program provides up to $260 million property damage coverage per loss event. However, 
our insurance carrier’s aggregation limit for catastrophic windstorm events is $750 million. If an insured 
catastrophic loss event occurs, we could still recover less than our stated limits should the total aggregate losses 
realized by our carrier exceed its $750 million aggregation limit that is applicable to any single loss event. 

We carry additional property damage and control of well coverage for our deepwater Gulf of Mexico and remaining 
Gulf of Mexico shelf properties. This additional insurance provides up to $100 million in additional coverage for 
certain claims which exceed the $260 million property damage coverage or where the $260 million property damage 
coverage is reduced by application of the $750 million aggregation limit.  We carry business interruption insurance 
for certain international locations.  

45 

 
           
            
        
           
          
        
        
       
     
             
            
          
 
Financing Activities 

Long-Term Debt—Our long-term debt totaled $2.245 billion (excluding unamortized discount) at 
December 31, 2008, and maturities range from 2012 to 2097. Our principal source of liquidity is an unsecured 
revolving credit facility that matures December 9, 2012. The commitment is $2.1 billion until December 9, 2011 at 
which time the commitment reduces to $1.8 billion. The credit facility (i) provides for credit facility fee rates that 
range from 5 basis points to 15 basis points per year depending upon our credit rating, (ii) makes available short-
term loans up to an aggregate amount of $300 million and (iii) provides for interest rates that are based upon the 
Eurodollar rate plus a margin that ranges from 20 basis points to 70 basis points depending upon our credit rating 
and utilization of the credit facility. At December 31, 2008, $1.606 billion in borrowings were outstanding under the 
credit facility, leaving $494 million available for use. The weighted average interest rate applicable to borrowings 
under the credit facility at December 31, 2008 was 0.80%. 

The credit facility contains customary representations and warranties and affirmative and negative covenants. The 
credit facility requires that our total debt to capitalization ratio (as defined in the credit agreement), expressed as a 
percentage, not exceed 60% at any time. A violation of this covenant could result in a default under the credit 
facility, which would permit the participating banks to restrict our ability to access the credit facility and require the 
immediate repayment of any outstanding advances under the credit facility.  

The credit facility is with certain commercial lending institutions and is available for general corporate purposes. 
Our bank group is comprised of 24 commercial lending institutions, each holding between 1.0% and 7.0% of the 
total facility.  Due to recent consolidation in the banking sector resulting from heightened stress in the credit 
markets, the number of lenders and their effective commitment levels within our credit facility may be reallocated 
over time. 

We also have $639 million of fixed-rate debt outstanding at December 31, 2008 with a weighted average interest 
rate of 6.92%. Maturities range from 2014 to 2097.  

Short-Term Borrowings— We owe $25 million in the form of an installment payment to the seller of properties we 
purchased in 2007. The amount is due May 11, 2009 and is included in short-term borrowings in the consolidated 
balance sheets. Interest on the unpaid amount is due quarterly and accrues at a LIBOR rate plus .30%. The interest 
rate was 4.18% at December 31, 2008. 

Our committed credit facility has been supplemented by short-term borrowings under various uncommitted credit 
lines used for working capital purposes. Uncommitted credit lines may be offered by certain banks from time to time 
at rates negotiated at the time of borrowing. There were no amounts outstanding under uncommitted credit lines at 
December 31, 2008 or 2007. Depending upon future credit market conditions, these sources may or may not be 
available. However, we are not dependent on them to fund our day-to-day operations. 

Ratio of Debt-to-Book Capital — Our ratio of debt-to-book capital has decreased from 28% at December 31, 2007 
to 26% at December 31, 2008. We define our ratio of debt-to-book capital as total debt (which includes both long-
term debt, excluding unamortized discount, and short-term borrowings) divided by the sum of total debt plus 
shareholders’ equity. Significant changes in our financial position causing a change in the ratio of debt-to-book 
capital included the following: 

•  $1.4 billion increase in shareholders’ equity from current year net income;  

offset by 

•  $390 million increase in total debt from the balance at December 31, 2007; and 
•  $115 million decrease in shareholders’ equity from dividends paid. 

Interest Rate Locks—We occasionally enter into forward contracts or swap agreements to hedge exposure to interest 
rate risk. As of December 31, 2007, we had entered into two interest rate locks, each in the notional amount of $500 
million. The locks were based on five and ten year US Treasury rates of 3.55% and 4.15%, respectively, and were 
scheduled to expire in September 2008. We settled the locks in July 2008 at a total cost of $0.2 million.  

Cash Interest Payments—We made cash interest payments of $109 million in 2008, $122 million in 2007 and 
$119 million in 2006. 

Exercise of Stock Options—Proceeds from the exercise of stock options totaled $27 million in 2008, $25 million in 
2007 and $63 million in 2006. Proceeds received from the exercise of stock options fluctuate primarily based on the 
number of options exercised which is influenced by the price at which our common stock trades on the NYSE in 
relation to the exercise price of the options issued.  

Dividends—We paid cash dividends totaling 66.0 cents per common share in 2008, 43.5 cents per common share in 
2007 and 27.5 cents per common share in 2006. On January 27, 2009, the Board of Directors declared a quarterly 

46 

 
cash dividend of $0.18 cents per common share, which will be paid February 23, 2009 to shareholders of record on 
February 9, 2009. The amount of future dividends will be determined on a quarterly basis at the discretion of the 
Board of Directors and will depend on earnings, financial condition, capital requirements and other factors. 

Common Stock Repurchases—In 2008, we received from employees approximately 33,000 shares of common stock 
with a total value of $3 million for the payment of withholding taxes due on the vesting of restricted shares issued 
under stock-based compensation plans. In 2007, we completed a common stock repurchase program authorized by 
our Board of Directors in 2006. We repurchased two million shares of our common stock at an aggregate cost of 
$102 million in 2007 and 8.4 million shares of our common stock at an aggregate cost of $399 million in 2006, 
resulting in a total of 10.4 million shares acquired at an average price of $48.17 per share. 

Off-Balance Sheet Arrangements 

We may enter into off-balance sheet arrangements and transactions that can give rise to material off-balance sheet 
obligations. As of December 31, 2008, the material off-balance sheet arrangements and transactions that we have 
entered into included drilling service contracts, operating lease agreements, and undrawn letters of credit. Other than 
the off-balance sheet arrangements listed above, we have no transactions, arrangements or other relationships with 
unconsolidated entities or other persons that are reasonably likely to materially affect our liquidity or availability of 
or requirements for capital resources. See Contractual Obligations below for more information regarding off-
balance sheet arrangements. 

Contractual Obligations 

The following table summarizes certain contractual obligations that are reflected in the consolidated balance sheets 
and/or disclosed in the accompanying notes.  

Payments Due by Period
2010

2014 and
2012
and 2011 and 2013 Beyond

Total

2009

Long-term debt (excluding interest) (1)
Drilling and equipment obligations: (2)
  United States 
  International
Purchase obligations (3)
Throughput agreement (4)
Transportation and gathering (5)
Operating lease obligations (6)
Other long-term liabilities: (7)
  Asset retirement obligations (8)
  Commodity derivative instruments (9)
Total contractual obligations

(in millions)

$     

2,270

$       

25

$            
-

$    

1,606

$    

639

752
480

163
95
43
56

70
252

163
14
12
12

613
225

-
38
17
18

69
3

-
38
10
8

-
-

-
5
4
18

211
25
4,095

$     

27
23
598

$     

18
2
931

$        

29
-
1,763

$    

137
-
803

$    

(1)  Based on the total debt balance, scheduled maturities and interest rates in effect at December 31, 2008, our cash 
payments for interest would be $58 million in 2009, $57 million in 2010, $57 million in 2011, $56 million in 
2012, $44 million in 2013 and $878 million for the remaining years for a total of $1.2 billion. See Item 8. 
Financial Statements and Supplementary Data—Note 8—Debt. 

(2)  Drilling and equipment obligations represent contractual agreements with third party service providers to 

procure drilling rigs and other related equipment for developmental and exploratory drilling activities.  See 
Item 8. Financial Statements and Supplementary Data—Note 17—Commitments and Contingencies. 
 (3)  Purchase obligations represent agreements to purchase goods or services that are enforceable, are legally 
binding and specify all significant terms, including fixed and minimum quantities to be purchased; fixed, 
minimum or variable price provisions; and the approximate timing of the transaction. See Item 8. Financial 
Statements and Supplementary Data—Note 17—Commitments and Contingencies. 

(4)  We have a five-year throughput agreement on a new interstate crude oil transportation pipeline system running 
from Weld County, Colorado to Cushing, Oklahoma, which is expected to become operational in 2009. See 
Item 8. Financial Statements and Supplementary Data—Note 17—Commitments and Contingencies. 

(5)  Transportation and gathering obligations represent minimum charges for our firm transportation and gathering 

agreements. See Item 8. Financial Statements and Supplementary Data—Note 17—Commitments and 
Contingencies. 

47 

 
          
         
          
           
           
          
       
          
             
           
          
       
              
              
           
            
         
            
           
          
            
         
            
           
          
            
         
            
             
        
          
         
            
           
      
            
         
              
              
           
 
 (6)  Operating lease obligations represent non-cancelable leases for office buildings and facilities and oil and gas 
operations equipment used in our daily operations. See Item 8. Financial Statements and Supplementary Data 
—Note 17—Commitments and Contingencies. 

(7)  The table excludes deferred compensation liabilities of $159 million and accrued benefit costs of $81 million as 
specific payment dates are unknown. See Item 8. Financial Statements and Supplementary Data—Note 12—
Benefit Plans. 

(8)  Asset retirement obligations are discounted. See Item 8. Financial Statements and Supplementary Data—Note 

10—Asset Retirement Obligations. 

(9)  Amount represents open commodity derivative instruments that were in a net payable position with the 

counterparty at December 31, 2008. Our remaining commodity derivative instruments were in a net receivable 
position at December 31, 2008. See Item 8. Financial Statements and Supplementary Data—Note 6—
Derivative Instruments and Hedging Activities. 

We accrued approximately $20 million as of December 31, 2008, for an insurance contingency due to our 
membership in Oil Insurance Limited (OIL). OIL is a mutual insurance company which insures specific property, 
pollution liability and other catastrophic risks. As part of our membership, we are contractually committed to pay 
termination fees should we elect to withdraw from OIL. We do not anticipate withdrawing from OIL; however, the 
potential termination fee is calculated annually based on OIL’s past losses and the liability reflecting this potential 
charge has been accrued. 

In addition, in the ordinary course of business, we maintain letters of credit in support of certain performance 
obligations of our subsidiaries. Outstanding letters of credit totaled approximately $5 million at December 31, 2008. 

Other 

Contributions to Pension and Other Postretirement Benefit Plans—We made contributions to the pension and other 
postretirement benefit plans totaling $38 million in 2008, $12 million in 2007, and $36 million in 2006. The actual 
return on plan assets was a loss of $43 million in 2008 and a gain of $13 million in 2007. The investment return has 
tended to follow market performance. In August 2006, the Pension Protection Act of 2006 (the Act) was signed into 
law. Certain provisions of this Act changed the calculation related to the maximum contribution amount deductible 
for income tax purposes and require that defined benefit pension plans become fully funded over a seven-year period 
beginning in 2008. As a result of previous contributions made to the pension plan, the plan is adequately funded at 
the balance sheet date, and we expect the plan would not be subject to any of the benefit limitations that would be 
imposed by the Act if the plan were not adequately funded.  In addition, due to the level of previous funding, we do 
not expect that there are any contributions that will be required in 2009. However, we may make additional 
contributions to our pension plan. In 2009, we expect to make contributions pertaining to the restoration and medical 
and life plans of approximately $3 million, an amount which is estimated to be equal to the benefits expected to be 
paid by those plans. 

Income Taxes—We made cash payments for income taxes, net of refunds, of $263 million in 2008, $149 million in 
2007, and $115 million in 2006. 

Contingencies—We paid a total of approximately $2 million to settle legal proceedings in 2008 and $56 million to 
settle legal proceedings in 2007. These amounts had been accrued previously. During 2006, no significant payments 
were made to settle any legal proceedings. We regularly analyze current information and accrue for probable 
liabilities on the disposition of certain matters, as necessary. Liabilities for loss contingencies arising from claims, 
assessments, litigation or other sources are recorded when it is probable that a liability has been incurred and the 
amount can be reasonably estimated. 

CRITICAL ACCOUNTING POLICIES AND ESTIMATES 

The preparation of the consolidated financial statements requires our management to make a number of estimates 
and assumptions relating to the reported amounts of assets and liabilities and the disclosures of contingent assets and 
liabilities at the date of the consolidated financial statements and the reported amounts of revenues and expenses 
during the period. When alternatives exist among various accounting methods, the choice of accounting method can 
have a significant impact on reported amounts. The following is a discussion of the accounting policies, estimates 
and judgments which management believes are most significant in the application of generally accepted accounting 
principles used in the preparation of the consolidated financial statements. 

Reserves—All of the reserve data in this Form 10-K are estimates. Estimates of our crude oil and natural gas 
reserves are prepared by our engineers in accordance with guidelines established by the SEC. Reservoir engineering 
is a subjective process of estimating underground accumulations of crude oil and natural gas. There are numerous 
uncertainties inherent in estimating quantities of proved crude oil and natural gas reserves. Uncertainties include the 
projection of future production rates and the expected timing of development expenditures. The accuracy of any 

48 

 
reserve estimate is a function of the quality of available data and of engineering and geological interpretation and 
judgment. As a result, reserve estimates may be different from the quantities of crude oil and natural gas that are 
ultimately recovered. Estimates of proved crude oil and natural gas reserves significantly affect our DD&A expense. 
For example, if estimates of proved reserves decline, the DD&A rate will increase, resulting in a decrease in net 
income. A decline in estimates of proved reserves could also cause us to perform an impairment analysis to 
determine if the carrying amount of crude oil and natural gas properties exceeds fair value and could result in an 
impairment charge, which would reduce earnings. In addition, a decline in estimates of proved reserves could 
prompt a goodwill impairment analysis.  

Oil and Gas Properties—We account for crude oil and natural gas properties under the successful efforts method of 
accounting. Under the successful efforts method, costs to acquire mineral interests in crude oil and natural gas 
properties, to drill and equip exploratory wells that find commercial quantities of proved reserves, and to drill and 
equip development wells are capitalized. Proved property acquisition costs are amortized to expense by the unit-of-
production method on a field-by-field basis based on total proved crude oil and natural gas reserves as estimated by 
our engineers. Costs to drill and equip exploratory wells that find proved reserves and to drill and equip 
development wells are also amortized to expense by the unit-of-production method on a field-by-field basis. These 
costs, along with support equipment and facilities, are amortized based on proved developed crude oil and natural 
gas reserves. Costs of certain gathering facilities or processing plants serving a number of properties or used for 
third party processing are depreciated using the straight-line method over the useful lives of the assets. Application 
of the successful efforts method results in the expensing of certain costs including geological and geophysical costs, 
exploratory dry holes and delay rentals, during the periods the costs are incurred.  

The alternative method of accounting for crude oil and natural gas properties is the full cost method. Under the full 
cost method, geological and geophysical costs, exploratory dry holes and delay rentals are capitalized as assets and 
charged to earnings in future periods as a component of DD&A expense. In addition, under the full cost method, 
capitalized costs are accumulated in pools on a country-by-country basis. DD&A is computed on a country-by-
country basis, and capitalized costs are limited on the same basis through the application of a ceiling test. We 
believe the successful efforts method is the most appropriate method to use in accounting for our crude oil and 
natural gas properties because it provides a better representation of results of operations, especially during periods of 
active exploration. If we had used the full cost method, our financial position and results of operations could have 
been significantly different. 

Exploratory Well Costs—In accordance with the successful efforts method of accounting, the costs associated 
with drilling an exploratory well may be capitalized temporarily, or “suspended,” pending a determination of 
whether commercial quantities of crude oil or natural gas have been discovered. We carry the costs of an 
exploratory well as an asset if the well has found a sufficient quantity of reserves to justify its completion as a 
producing well and as long as we are making sufficient progress assessing the reserves and the economic and 
operating viability of the project. For certain capital-intensive deepwater Gulf of Mexico or international projects, 
it may take several years to evaluate the future potential of the exploration well and make a determination of its 
economic viability. Our ability to move forward on a project may be dependent on gaining access to 
transportation or processing facilities or obtaining permits and government or partner approval, the timing of 
which is beyond our control. In such cases, exploratory well costs remain suspended as long as we are actively 
pursuing access to necessary facilities and access to such permits and approvals and believe they will be obtained.  

Management assesses the status of suspended exploratory well costs on a quarterly basis. These costs may be 
charged to exploration expense in future periods if we decide not to pursue additional exploratory or development 
activities. At December 31, 2008, the balance of property, plant and equipment included $501 million of suspended 
exploratory well costs, $245 million of which had been capitalized for a period greater than one year. The wells 
relating to these suspended costs continue to be evaluated by various means including additional seismic work, 
drilling additional wells, or evaluating the potential of the exploration wells. For more information, see Item 8. 
Financial Statements and Supplementary Data—Note 7—Capitalized Exploratory Well Costs. 

Impairment of Proved Oil and Gas Properties and Other Investments—We assess proved crude oil and natural gas 
properties and other investments for possible impairment when events or circumstances indicate that the recorded 
carrying value of the assets may not be recoverable. We recognize an impairment loss as a result of an event that 
causes us to consider the possibility that an impairment may have occurred and when the estimated undiscounted 
future cash flows from a property or other investment are less than the carrying value. If impairment is indicated, the 
carrying values are written down to fair value, which, in the absence of comparable market data, is estimated using a 
discounted cash flow method. In our cash flow method, cash flows are discounted using a risk-adjusted rate and 
compared to the carrying value for determining the amount of the impairment loss to record. Estimated future cash 
flows are based on management’s expectations for the future and include estimates of crude oil and natural gas 
reserves and future commodity prices, revenues and operating and development costs. Downward revisions in 

49 

 
estimates of reserve quantities or expectations of falling commodity prices or rising operating or development costs 
could result in a reduction in undiscounted future cash flows and could indicate property impairment.  

We assessed the recoverability of our proved oil and gas properties and other investments at December 31, 2008. As 
a result of this analysis, we determined that certain of our assets were impaired. In addition, during third quarter 
2008, we recorded an impairment charge related to an asset held for sale. For 2008 total pre-tax (non-cash) asset 
impairment charges, assessed under SFAS 144, were approximately $219 million of which $149 million is related to 
our US proved properties and $70 million related to our investment in Ecuador. These assets were written down to 
their estimated fair values under a discounted cash flows model. The discounted cash flows model included 
management’s estimates of future oil and gas production; commodity prices based on December 31, 2008 
commodity price strips; operating and development costs, as well as appropriate discount rates. See Item 8. 
Financial Statements and Supplementary Data—Note 3—Asset Impairments. We recorded approximately $4 million 
of impairments in 2007 and $9 million in 2006, primarily related to downward reserve revisions on US properties 
and/or adjustment of the carrying value of properties to their fair values.  

Impairment of Unproved Oil and Gas Properties—We also perform periodic assessments of individually 
significant unproved crude oil and natural gas properties for impairment on a quarterly basis and recognize a loss at 
the time of impairment by providing an impairment allowance. In determining whether a significant unproved 
property is impaired we consider numerous factors including, but not limited to, current exploration plans, favorable 
or unfavorable exploratory activity on adjacent leaseholds, our geologists' evaluation of the lease, and the remaining 
months in the lease term. 

When we have allocated fair values to a significant unproved property as the result of a business combination or 
other purchase of proved and unproved properties, we use a future cash flow analysis to assess the property for 
impairment.  Cash flows used in the impairment analysis are determined based upon management’s estimates of 
natural gas and crude oil reserves, future commodity prices and future costs to extract the reserves. Downward 
revisions in estimated reserve quantities, reductions in commodity prices, or increases in estimated costs could cause 
a reduction in the value of an unproved property and, therefore, could also cause a reduction in the carrying amount 
of the property. If undiscounted future net cash flows are less than the carrying value of the property, indicating 
impairment, the cash flows are discounted using a risk-adjusted rate and compared to the carrying value for 
determining the amount of the impairment loss to record. The estimated prices used in the cash flow analysis are 
determined by management based on forward price curves for the related commodities, adjusted for average 
historical location and quality differentials. Estimates of cash flows related to probable and possible reserves are 
reduced by additional risk-weighting factors.  

Due to the volatility of natural gas and crude oil prices, these cash flow estimates are inherently imprecise. 
Management’s assessment of the results of exploration activities, availability of funds for future activities and the 
current and projected political climate in areas in which we operate also impact the amounts and timing of 
impairment provisions.  

We assessed the recoverability of our significant unproved oil and gas properties at December 31, 2008. Due to the 
decrease in commodity prices, we recorded a pre-tax (non-cash) impairment charge of $75 million related to our US 
unproved properties. These impairments were primarily related to allocated fair value attributable to probable and 
possible reserves acquired in previous business combinations. We assessed these properties under a discounted cash 
flows model based on management’s assumptions of future oil and gas production, commodity prices, operating and 
development costs; as well as appropriate discount rates. See Item 8. Financial Statements and Supplementary 
Data—Note 3—Asset Impairments.   We recorded impairments of significant unproved oil and gas properties of $3 
million in 2007 and $1 million in 2006 and reported the amounts in exploration expense. 

Purchase Price Allocations—As a result of the Patina Merger in 2005 and the U.S. Exploration acquisition in 2006, 
we acquired assets and assumed liabilities in transactions accounted for as purchases. In connection with a purchase 
business combination, the acquiring company must allocate the cost of the acquisition to assets acquired and 
liabilities assumed based on fair values as of the acquisition date. Deferred taxes must be recorded for any 
differences between the assigned values and tax bases of assets and liabilities. Any excess of purchase price over 
amounts assigned to assets and liabilities is recorded as goodwill. The amount of goodwill recorded in any particular 
business combination can vary significantly depending upon the value attributed to assets acquired and liabilities 
assumed. 

In estimating the fair values of assets acquired and liabilities assumed we made various assumptions. The most 
significant assumptions related to the estimated fair values assigned to proved and unproved crude oil and natural 
gas properties. To estimate the fair values of these properties, we prepared estimates of crude oil and natural gas 
reserves. We estimated future prices to apply to the estimated reserve quantities acquired, and estimated future 
operating and development costs, to arrive at estimates of future net cash flows. For estimated proved reserves, the 

50 

 
future net cash flows were discounted using a market-based weighted average cost of capital rate determined 
appropriate at the time of the acquisition. The market-based weighted average cost of capital rate was subjected to 
additional project-specific risking factors. To compensate for the inherent risk of estimating and valuing unproved 
reserves, the discounted future net cash flows of probable and possible reserves were reduced by additional risk-
weighting factors.  

Estimated deferred taxes were based on available information concerning the tax basis of assets acquired and 
liabilities assumed and loss carryforwards at the merger date, although such estimates may change in the future as 
additional information becomes known. 

Estimated fair values assigned to assets acquired can have a significant effect on results of operations in the future. 
A higher fair value assigned to a property results in higher DD&A expense, which results in lower net earnings. Fair 
values are based on estimates of future commodity prices, reserve quantities, operating expenses and development 
costs. This increases the likelihood of impairment if future commodity prices or reserve quantities are lower than 
those originally used to determine fair value, or if future operating expenses or development costs are higher than 
those originally used to determine fair value. Impairment would have no effect on cash flows but would result in a 
decrease in net income for the period in which the impairment is recorded. 

Goodwill—As of December 31, 2008, the consolidated balance sheet included $759 million of goodwill, all of 
which has been assigned to the US reporting unit. Goodwill is not amortized to earnings but is tested, at least 
annually, for impairment at the reporting unit level. We conduct the goodwill impairment test as of December 31 of 
each year. Other events and changes in circumstances may require goodwill to be tested for impairment between 
annual measurement dates. If the carrying value of goodwill is determined to be impaired, the amount of goodwill is 
reduced and a corresponding charge is made to earnings in the period in which the goodwill is determined to be 
impaired. 

A two-step impairment test is used to identify potential goodwill impairment and measure the amount of a goodwill 
impairment loss to be recognized. The first step of the goodwill impairment test, used to identify potential 
impairment, compares the fair value of a reporting unit with its carrying amount, including goodwill. If the fair value 
of the reporting unit exceeds its carrying amount, goodwill is not considered to be impaired, and the second step of 
the test is not required.  If necessary, the second step of the impairment test, used to measure the amount of 
impairment loss, compares the implied fair value of reporting unit goodwill with the carrying amount of that 
goodwill. If the carrying amount of reporting unit goodwill exceeds the implied fair value of that goodwill, an 
impairment loss is recognized in an amount equal to the excess. 

The first step of the impairment test requires management to make estimates regarding the fair value of the reporting 
unit to which goodwill has been assigned. In determining the fair value of the US reporting unit, we use a 
combination of the income approach and the market approach.  

Under the income approach, the fair value of the US reporting unit is estimated based on the present value of 
expected future cash flows.  The income approach is dependent on a number of factors including estimates of 
forecasted revenue and operating costs, proved reserves, as well as the success of future exploration for and 
development of unproved reserves, appropriate discount rates and other variables. Downward revisions of estimated 
reserve quantities, increases in future cost estimates, divestiture of a significant component of the reporting unit, or 
sustained decreases in natural gas or crude oil prices could lead to a reduction in expected future cash flows and 
possibly an impairment of all or a portion of goodwill in future periods.  

Key assumptions used in the discounted cash flows model described above include estimated quantities of oil and 
gas reserves, including both proved reserves and risk-adjusted unproved reserves; estimates of future commodity 
prices based on the December 31, 2008 commodity price strips; and estimates of operating, administrative and 
capital costs adjusted for inflation. We discounted the resulting future cash flows using a peer company based 
weighted average cost of capital of 9%. 

Under the market approach, we estimated the value of the US reporting unit by comparison to similar businesses 
whose securities are actively traded in the public market. This requires management to make certain judgments 
about the selection of comparable companies and/or comparable recent company and asset transactions and 
transaction premiums. At December 31, 2008, we used a peer company multiple method for the market approach.  
Market multiples represent market estimates of fair value based on selected financial metrics, such as earnings 
before interest, taxes, DD&A and exploration expense (also known as “EBITDAX”).  

Using the range of US reporting unit fair values provided by the income and market approaches as of December 31, 
2008, we determined that the fair value of our US reporting unit exceeded its carrying amount. Therefore, the second 
step of the goodwill impairment test was unnecessary, and no goodwill impairment was recognized.   

51 

 
Although we have based the fair value estimate of the US reporting unit on assumptions we believe to be reasonable, 
those assumptions are inherently unpredictable and uncertain and actual results could differ from the estimate. In the 
event of a prolonged global recession, commodity prices may stay depressed or decline further, thereby causing the 
fair value of the US reporting unit to decline, which could result in an impairment of goodwill.  

When we dispose of a reporting unit or a portion of a reporting unit that constitutes a business, we include goodwill 
associated with that business in the carrying amount of the business in order to determine the gain or loss on 
disposal. The amount of goodwill to be included in that carrying amount is based on the relative fair value of the 
business to be disposed of and the portion of the reporting unit that will be retained. During 2006, we allocated 
$100 million of US reporting unit goodwill to the carrying amount of Gulf of Mexico shelf properties sold. The 
amount of goodwill allocated to the carrying amount of a business can significantly impact the amount of gain or 
loss recognized on the sale of that business. 

Commodity Derivative Instruments and Hedging Activities—We use various derivative instruments to minimize 
the impact of commodity price fluctuations on forecasted sales of crude oil and natural gas production. We also use 
derivative instruments in connection with purchases and sales of third-party production to lock in profits or limit 
exposure to commodity price risk. In addition, we have used derivative instruments in connection with acquisitions 
and certain price-sensitive projects. Management exercises significant judgment in determining types of instruments 
to be used, production volumes to be hedged, prices at which to hedge and the counterparties’ creditworthiness. We 
account for derivative instruments under SFAS No. 133, “Accounting for Derivative Instruments and Hedging 
Activities, as amended”, and all derivative instruments are reflected at fair value in our consolidated balance sheets.  

Our open commodity derivative instruments were in a net receivable position with a fair value of $445 million at 
December 31, 2008. We estimated the fair values of our commodity derivative instruments in accordance with 
SFAS 157, “Fair Value Measurements” (SFAS 157), which we adopted as of January 1, 2008. In order to determine 
the fair value at the end of each reporting period, we compute discounted cash flows for the duration of each 
commodity derivative instrument using the terms of the related contract. Inputs consist of published forward 
commodity price curves for the underlying commodities as of the date of the estimate. We compare these prices to 
the price parameters contained in our hedge contracts to determine estimated future cash inflows or outflows. We 
then discount the cash inflows or outflows using a combination of published LIBOR rates, Eurodollar futures rates 
and interest swap rates. The fair values of our commodity derivative assets and liabilities include a measure of credit 
risk based on current published credit default swap rates. In addition, for costless collars, we estimate the option 
value of the contract floors and ceilings using an option pricing model which takes into account market volatility, 
market prices and contract parameters.  We compare our estimates of fair value with those provided by our 
counterparties. There have been no significant differences.  

Changes in the fair values of our commodity derivative instruments have a significant impact on our net income 
because we follow mark-to-market accounting and recognize all gains and losses on such instruments in earnings in 
the period in which they occur. For the year ended December 31, 2008, we reported a $440 million gain on 
commodity derivative instruments. See Item 8. Financial Statements and Supplementary Data—Note 6—Derivative 
Instruments and Hedging Activities. 

Asset Retirement Obligation—Our asset retirement obligations (ARO) consist of estimated costs of 
dismantlement, removal, site reclamation and similar activities associated with our oil and gas properties. SFAS 
No. 143, “Accounting for Asset Retirement Obligations,” requires that the fair value of a liability for an ARO be 
recognized in the period in which it is incurred with the associated asset retirement cost capitalized as part of the 
carrying cost of the oil and gas asset. The recognition of an ARO requires that management make numerous 
estimates, assumptions and judgments regarding such factors as the existence of a legal obligation for an ARO; 
estimated probabilities, amounts and timing of settlements; the credit-adjusted risk-free rate to be used; and 
inflation rates. In periods subsequent to initial measurement of the ARO, we recognize period-to-period changes 
in the liability resulting from the passage of time and revisions to either the timing or the amount of the original 
estimate of undiscounted cash flows. Increases in the ARO liability due to passage of time impact net income as 
accretion expense. The related capitalized cost, including revisions thereto, is charged to expense through DD&A. 
Asset retirement obligations totaled $211 million at December 31, 2008. See Item 8. Financial Statements and 
Supplementary Data—Note 10—Asset Retirement Obligations. 

Involuntary Conversions—When an involuntary conversion occurs, such as the destruction of oil and gas producing 
assets by a hurricane, a loss is accrued by a charge to income if the amount of loss can be reasonably estimated. An 
asset relating to insurance recovery is recognized only when realization of the claim for recovery of a loss 
recognized in the financial statements is deemed probable. A gain (recovery of a loss not yet recognized in the 
financial statements or an amount recovered in excess of a loss recognized in the financial statements) is not 
recognized until the insurance reimbursement has been received. 

52 

 
Management must make a number of estimates and assumptions relating to these gain and loss accruals. These 
include estimated costs of salvage, clean-up, restoration, redevelopment or abandonment and estimated amounts of 
insurance recoveries. The amount of an insurance recovery may be limited if total industry claims are in excess of 
the insurance carrier’s ceiling limitation per event. A significant amount of time may be necessary for an insurance 
carrier to review all related claims for an event and determine the company-specific claim limitation on the final 
recovery. In addition, we may continue to incur costs, submit claims and receive reimbursements over a multi-year 
period. 

The estimates involved in this process can have significant effects on reported amounts of net income. A decrease in 
the estimated amount of insurance recoveries will result in an increase in the involuntary conversion loss, which will 
result in a decrease in net income. An increase in estimated costs of salvage, if not covered by insurance, will also 
result in an increase in the involuntary conversion loss, which will result in a decrease in net income. Unreimbursed 
losses will have a negative effect on our cash flows. During the first half of 2007, several factors contributed to an 
increase in our estimated cleanup costs for damage related to Hurricanes Ivan in 2004 and Katrina in 2005.  These 
factors included cost escalation due to weather delays and an increase in effort for the design and construction of the 
deck lifting barge and mooring system, as well as additional costs for the actual deck lifting activities.  These 
increases caused the total project costs, combined with net book value of the assets destroyed, to exceed certain 
insurance coverage limitations.  As a result, we recorded $51 million as a loss on involuntary conversion during 
2007.  During 2008, we recorded an additional $9 million loss on involuntary conversion upon resolution of certain 
of our insurance claims related to the hurricane damage sustained in 2005. See Item 8. Financial Statements and 
Supplementary Data—Note 2—Summary of Significant Accounting Policies. 

Income Tax Expense and Deferred Tax Assets—We are subject to income and other taxes in numerous taxing 
jurisdictions worldwide. For financial reporting purposes, we provide taxes at rates applicable for the appropriate tax 
jurisdictions. Estimates of amounts of income tax to be recorded involve interpretation of complex tax laws, 
assessment of the effects of foreign taxes on domestic taxes, and estimates regarding the timing and amounts of 
future repatriation of earnings from controlled foreign corporations. 

The consolidated balance sheets include deferred tax assets. Deferred tax assets arise when expenses are recognized 
in the financial statements before they are recognized in the tax returns or when income items are recognized in the 
tax return before they are recognized in the financial statements. Deferred tax assets also arise when operating losses 
or tax credits are available to offset tax payments due in future years. Ultimately, realization of a deferred tax asset 
depends on the existence of sufficient taxable income within the future periods to absorb future deductible 
temporary differences, loss carryforwards or credits. In assessing the realizability of deferred tax assets, 
management must consider whether it is more likely than not that some portion or all of the deferred tax assets will 
not be realized. Management considers all available evidence (both positive and negative) in determining whether a 
valuation allowance is required. Such evidence includes the scheduled reversal of deferred tax liabilities, projected 
future taxable income and tax planning strategies in making this assessment, and judgment is required in considering 
the relative weight of negative and positive evidence. We continue to monitor facts and circumstances in the 
reassessment of the likelihood that operating loss carryforwards, credits and other deferred tax assets will be utilized 
prior to their expiration. As a result, we may determine, and we have determined in the past, that a deferred tax asset 
valuation allowance should be established. Any increases or decreases in a deferred tax asset valuation allowance 
would impact net income through offsetting changes in income tax expense.  

As of December 31, 2008, the accumulated undistributed earnings of our foreign subsidiaries on which no US taxes 
have been recorded totaled approximately $1.1 billion. Management must consider numerous factors in determining 
timing and amounts of possible future distribution of these earnings to the parent company and whether a US 
deferred tax liability should be recorded for these earnings. These factors include the future operating and capital 
requirements of both the parent company and the subsidiaries, remittance restrictions imposed by foreign 
governments or financial agreements and tax consequences of the remittance, including possible application of US 
foreign tax credits and limitations on foreign tax credits that may be imposed by the Internal Revenue Service (IRS) 
or IRS regulations. We currently believe that the repatriation of a portion of our international undistributed earnings 
is likely. Therefore, as of December 31, 2008, we have recorded additional US deferred income taxes of $9 million 
on the portion of undistributed earnings of our foreign subsidiaries that we anticipate will be repatriated. 
Repatriation of additional earnings in the future could result in a decrease in our net income and cash flows. 

Allowance for Doubtful Accounts—We assess the recoverability of all material trade and other receivables to 
determine their collectibility on a quarterly basis. We accrue a reserve on a receivable when, based on 
management’s judgment, it is probable that a receivable will not be collected and the amount of such reserve may be 
reasonably estimated. In determining the amount of the reserve, management must analyze the aging of accounts 
receivable at the date of the consolidated financial statements and assess collectibility based on historic results, 

53 

 
current collection trends and an evaluation of economic conditions. If estimates are inaccurate, we may incur gains 
or losses that could have a material effect on our results of operations. 

The allowance for doubtful accounts totaled $97 million at December 31, 2008. This amount includes a $38 million 
reduction in the carrying value of a receivable from SemCrude, L.P., a crude oil purchaser. We recognized an 
associated pre-tax charge of $38 million during third quarter 2008. See Item 8. Financial Statements and 
Supplementary Data—Note 17 – Commitments and Contingencies.   

In addition, through December 31, 2008, we had recorded an allowance for doubtful accounts of $57 million related 
to our Ecuador power operations. The allowance was necessary to cover potentially uncollectible balances, as 
certain entities purchasing electricity in Ecuador have been slow to pay amounts due us. As a result of pursuing 
various strategies to protect our interests, including international arbitration and litigation, we reached a settlement 
in fourth quarter 2008. However, we have not yet received any funds related to the settlement. We will reverse our 
allowance for doubtful accounts upon receipt of payment from the Ecuadorian government. See Item 8. Financial 
Statements and Supplementary Data—Note 2 – Summary of Significant Accounting Policies – Allowance for 
Doubtful Accounts. 

Benefit Plans—We sponsor a qualified defined benefit pension plan, a non-qualified defined benefit pension plan 
(restoration plan), and other postretirement benefit plans. The actuarial determination of the projected benefit 
obligations and related benefit expense requires that certain assumptions be made regarding such variables as 
expected return on plan assets, discount rates, rates of future compensation increases, estimated future employee 
turnover rates and retirement dates, distribution election rates, mortality rates, retiree utilization rates for health care 
services and health care cost trend rates. The selection of assumptions requires considerable judgment concerning 
future events and has a significant impact on the amount of the obligations recorded in the consolidated balance 
sheets and on the amount of expense included in the consolidated statements of operations. 

We base our determination of the asset return component of pension expense on a market-related valuation of assets, 
which reduces year-to-year volatility. This market-related valuation recognizes investment gains or losses over a 
five-year period from the year in which they occur. Investment gains or losses for this purpose are the difference 
between the expected return calculated using the market-related value of assets and the actual return based on the 
fair value of assets. Since the market-related value of assets recognizes gains or losses over a five-year period, the 
future value of assets will be impacted as previously deferred gains or losses are recorded. As of January 1, 2008, 
cumulative asset gains (losses) of approximately $3 million remained to be recognized in the calculation of the 
market-related value of assets. 

In selecting the assumption for expected long-term rate of return on assets, we consider the average rate of earnings 
expected on the funds invested or to be invested to provide for plan benefits included in the projected benefit 
obligations. This includes considering the returns being earned by the plan assets and the rates of return expected to 
be available for reinvestment. We assume that the long-term asset mix will be consistent with the target asset 
allocation of 70% equity and 30% fixed income, with a range of plus or minus 10% acceptable degree of variation in 
asset allocation. A 1% decrease in the expected return on plan assets assumption would have increased 2008 net 
periodic benefit cost by approximately $2 million. The fair value of plan assets was $132 million at December 31, 
2008. The expected return assumption used in the calculation of 2008 net periodic benefit cost was 8.25%. The 
assumption will be reduced to 8.00% for the calculation of 2009 net periodic benefit cost. 

In selecting a discount rate, employers may look to rates of return on high quality fixed-income investments 
available as of the year-end measurement date and expected to be available during the period to maturity of the 
pension benefits. In order to determine an appropriate December 31, 2008 discount rate, we performed an analysis 
of the Citigroup Pension Discount Curve (the CPDC) for each of our plans. The CPDC uses spot rates that represent 
the equivalent yield on high quality, zero coupon bonds for specific maturities. We used these rates to develop an 
equivalent single discount rate based on our plans’ expected future benefit payment streams and duration of plan 
liabilities. A 1% increase in the discount rate assumption would have decreased 2008 net periodic benefit cost by 
$2 million and decreased the benefit obligation for the combined plans by $20 million at December 31, 2008. A 1% 
decrease in the discount rate assumption would have increased 2008 net periodic benefit cost by $2 million and 
increased the benefit obligation for the combined plans by $24 million at December 31, 2008. The assumed discount 
rate used to determine net periodic benefit cost for 2008 was 6.50% for our defined benefit pension and restoration 
plans and 6.25% for our medical and life plans. The assumed discount rate used to determine the benefit obligations 
at December 31, 2008 was 6.00% for our defined benefit pension plan and 6.25% for our restoration and medical 
and life plans. The total accrued benefit obligation for our defined benefit pension, restoration and medical and life 
plans was $216 million at December 31, 2008. 

Recently Issued Pronouncements—See Item 8. Financial Statements and Supplementary Data—Note 18—Recently 
Issued Pronouncements. 

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Item 7A. Quantitative and Qualitative Disclosures About Market Risk 

Commodity Price Risk 

Derivative Instruments Held for Non-Trading Purposes—We are exposed to market risk in the normal course of 
business operations, and the uncertainty of crude oil and natural gas prices continues to impact the oil and gas 
industry. Due to the volatility of crude oil and natural gas prices, we continue to use derivative instruments as a 
means of managing our exposure to price changes.  

At December 31, 2008, we had entered into variable to fixed price commodity swaps, costless collars and basis 
swaps related to crude oil and natural gas sales. Our open commodity derivative instruments were in a net receivable 
position with a fair value of $445 million. Based on the December 31, 2008 published forward commodity price 
curves for the underlying commodities, a price increase of $1.00 per Bbl for crude oil would decrease the fair value 
of our net commodity derivative receivable by approximately $9 million. A price increase of $0.10 per MMBtu for 
natural gas would decrease the fair value of our net commodity derivative receivable by approximately $7 million.  
Our derivative instruments are executed under master agreements which allow us, in the event of default, to elect 
early termination of all contracts with the defaulting counterparty. If we choose to elect early termination, all asset 
and liability positions with the defaulting counterparty would be net settled at the time of election. See Item 8. 
Financial Statements and Supplementary Data—Note 6—Derivative Instruments and Hedging Activities. 

As of December 31, 2008, a net unrealized loss of $48 million, net of tax, is recorded in AOCL in the consolidated 
balance sheets.  We will reclassify $36 million of the deferred loss to earnings during 2009 as adjustments to 
revenue when the associated production occurs.  The remaining $12 million of deferred loss will be reclassified to 
earnings during 2010.  

Interest Rate Risk 

Changes in interest rates affect the amount of interest we pay on borrowings under our revolving credit facility and 
other variable-rate debt and the amount of interest we earn on our short-term investments. 

At December 31, 2008, we had $2.245 billion (excluding unamortized discount) of long-term debt outstanding. Of 
this amount, $639 million was fixed-rate debt with a weighted average interest rate of 6.92%. Although near term 
changes in interest rates may affect the fair value of our fixed-rate debt, they do not expose us to the risk of earnings 
or cash flow loss.  

The remainder of our long-term debt, $1.606 billion at December 31, 2008, was variable-rate debt. We also had $25 
million of short-term variable-rate debt at December 31, 2008. Variable-rate debt exposes us to the risk of earnings 
or cash flow loss due to increases in market interest rates. We estimate that a hypothetical 25 basis point change in 
the floating interest rates applicable to the December 31, 2008 balance of our variable-rate debt would result in a 
change in annual interest expense of approximately $4 million. 

We occasionally enter into forward contracts or swap agreements to hedge exposure to interest rate risk. Changes in 
fair value of interest rate swaps or interest rate “locks” used as cash flow hedges are reported in AOCL, to the extent 
the hedge is effective, until the forecasted transaction occurs, at which time they are recorded as adjustments to 
interest expense. At December 31, 2008, AOCL included $3 million, net of tax, related to interest rate locks. This 
amount is currently being reclassified into earnings as adjustments to interest expense over the term of our 5¼% 
Senior Notes due April 2014. See Item 8. Financial Statements and Supplementary Data—Note 6—Derivative 
Instruments and Hedging Activities. 

We are also exposed to interest rate risk related to our short-term investments. As of December 31, 2008, 58% of our 
cash was invested in US Treasury securities. A hypothetical 25 basis point change in the floating interest rates 
applicable to the December 31, 2008 balance would result in a change in annual interest income of approximately $2 
million. 

Foreign Currency Risk 

We have not entered into foreign currency derivative instruments. The US dollar is considered the functional 
currency for each of our international operations. Transactions that are completed in a foreign currency are 
remeasured into US dollars and recorded in the financial statements at prevailing currency exchange rates. We do 
not have any significant monetary assets or liabilities denominated in a foreign currency other than our foreign 
deferred tax liabilities in certain foreign tax jurisdictions. An increase in exchange rates between the US dollar and 
the currency of the foreign tax jurisdiction in which these liabilities are located could result in the use of additional 
cash to settle these liabilities. However, transaction gains or losses were not material in any of the periods presented 
and we do not believe we are currently exposed to any material risk of loss on this basis. Such gains or losses are 
included in other (income) expense, net in the consolidated statements of operations. 

55 

 
Item 8.   Financial Statements and Supplementary Data 

INDEX TO FINANCIAL STATEMENTS 

Consolidated Financial Statements of Noble Energy, Inc. 

Management’s Report on Internal Control over Financial Reporting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Report of Independent Registered Public Accounting Firm (Financial Statements) . . . . . . . . . . . . . . . . . . . . .

Report of Independent Registered Public Accounting Firm (Internal Control Over Financial Reporting). . . .

Consolidated Statements of Operations for each of the three years in the period ended December 31, 2008 .

Consolidated Balance Sheets as of December 31, 2008 and 2007. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Consolidated Statements of Cash Flows for each of the three years in the period ended December 31, 2008.

57

58

59

60

61

62

Consolidated Statements of Shareholders’ Equity for each of the three years in the period ended 

December 31, 2008 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

63

Consolidated Statements of Comprehensive Income for each of the three years in the period ended 

December 31, 2008 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Notes to Consolidated Financial Statements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Supplemental Oil and Gas Information (Unaudited) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

64

65

97

Supplemental Quarterly Financial Information (Unaudited) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

107

56 

 
 
Management’s Report on Internal Control over Financial Reporting 

Our management is responsible for establishing and maintaining adequate internal control over financial reporting. 
Our internal control over financial reporting is a process designed under the supervision of our Chief Executive 
Officer and Chief Financial Officer to provide reasonable assurance regarding the reliability of financial reporting 
and the preparation of consolidated financial statements for external purposes in accordance with accounting 
principles generally accepted in the United States of America. 

Because of its inherent limitations, internal control over financial reporting may not detect or prevent misstatements. 
Projections of any evaluation of the effectiveness to future periods are subject to the risk that controls may become 
inadequate because of changes in conditions, or that the degree of compliance with the policies or processes may 
deteriorate. 

As of December 31, 2008, our management assessed the effectiveness of our internal control over financial 
reporting based on the criteria for effective internal control over financial reporting established in “Internal 
Control—Integrated Framework,” issued by the Committee of Sponsoring Organizations of the Treadway 
Commission. Based on the assessment, management determined that we maintained effective internal control over 
financial reporting as of December 31, 2008, based on those criteria. Management included in its assessment of 
internal control over financial reporting all consolidated entities. 

KPMG LLP, the independent registered public accounting firm that audited our consolidated financial statements 
included in this Annual Report on Form 10-K, has issued an attestation report on the effectiveness of internal control 
over financial reporting as of December 31, 2008 which is included herein.  

Noble Energy, Inc. 

57 

 
 
 
 
 
Report of Independent Registered Public Accounting Firm 

The Board of Directors and Shareholders 
Noble Energy, Inc.: 

We have audited the accompanying consolidated balance sheets of Noble Energy, Inc. and subsidiaries as of 
December 31, 2008 and 2007, and the related consolidated statements of operations, shareholders’ equity, 
comprehensive income and cash flows for each of the years in the three-year period ended December 31, 2008. 
These consolidated financial statements are the responsibility of the Company’s management. Our responsibility is 
to express an opinion on these consolidated financial statements based on our audits. We did not audit the financial 
statements of the Alba Plant LLC (Alba), the investment in which, as discussed in Note 11 of the consolidated 
financial statements, is accounted for by the equity method of accounting. The Company’s investment in Alba at 
December 31, 2008 and 2007 was $105.6 million and $142.5 million, respectively, and its equity in earnings of Alba 
was $118.4 million, $128.1 million and $101.3 million for the years ended December 31, 2008, 2007, and 2006, 
respectively. The financial statements of Alba were audited by other auditors whose reports have been furnished to 
us, and our opinion, insofar as it relates to the amounts included for Alba, is based solely on the reports of the other 
auditors. 

We conducted our audits in accordance with the standards of the Public Company Accounting Oversight Board 
(United States). Those standards require that we plan and perform the audit to obtain reasonable assurance about 
whether the financial statements are free of material misstatement. An audit includes examining, on a test basis, 
evidence supporting the amounts and disclosures in the financial statements. An audit also includes assessing the 
accounting principles used and significant estimates made by management, as well as evaluating the overall 
financial statement presentation. We believe that our audits and the reports of other auditors provide a reasonable 
basis for our opinion. 

In our opinion, based on our audits and the reports of the other auditors, the consolidated financial statements 
referred to above present fairly, in all material respects, the financial position of Noble Energy, Inc. and subsidiaries 
as of December 31, 2008 and 2007, and the results of their operations and their cash flows for each of the years in 
the three-year period ended December 31, 2008, in conformity with U.S. generally accepted accounting principles. 

As discussed in Note 2 to the consolidated financial statements, effective December 31, 2006, the Company changed 
its method of accounting for defined benefit pension and other postretirement plans. 

We also have audited, in accordance with standards of the Public Company Accounting Oversight Board (United 
States), Noble Energy, Inc.’s internal control over financial reporting as of December 31, 2008, based on criteria 
established in Internal Control – Integrated Framework issued by the Committee of Sponsoring Organizations of the 
Treadway Commission (COSO), and our report dated February 18, 2009 expressed an unqualified opinion on the 
effectiveness of the Company’s internal control over financial reporting. 

/s/ KPMG LLP 

Houston, Texas 
February 18, 2009 

58 

 
 
 
 
 
 
Report of Independent Registered Public Accounting Firm 

The Board of Directors and Shareholders 
Noble Energy, Inc.: 

We have audited Noble Energy, Inc.’s internal control over financial reporting as of December 31, 2008, based on 
criteria established in Internal Control – Integrated Framework issued by the Committee of Sponsoring 
Organizations of the Treadway Commission (COSO). Noble Energy, Inc.’s management is responsible for 
maintaining effective internal control over financial reporting and for its assessment of the effectiveness of internal 
control over financial reporting, included in the accompanying Management’s Report on Internal Control over 
Financial Reporting. Our responsibility is to express an opinion on the Company’s internal control over financial 
reporting based on our audit. 

We conducted our audit in accordance with the standards of the Public Company Accounting Oversight Board 
(United States). Those standards require that we plan and perform the audit to obtain reasonable assurance about 
whether effective internal control over financial reporting was maintained in all material respects. Our audit 
included obtaining an understanding of internal control over financial reporting, assessing the risk that a material 
weakness exists, and testing and evaluating the design and operating effectiveness of internal control based on the 
assessed risk. Our audit also included performing such other procedures as we considered necessary in the 
circumstances. We believe that our audit provides a reasonable basis for our opinion. 

A company’s internal control over financial reporting is a process designed to provide reasonable assurance 
regarding the reliability of financial reporting and the preparation of financial statements for external purposes in 
accordance with generally accepted accounting principles. A company’s internal control over financial reporting 
includes those policies and procedures that (1) pertain to the maintenance of records that, in reasonable detail, 
accurately and fairly reflect the transactions and dispositions of the assets of the company; (2) provide reasonable 
assurance that transactions are recorded as necessary to permit preparation of financial statements in accordance 
with generally accepted accounting principles, and that receipts and expenditures of the company are being made 
only in accordance with authorizations of management and directors of the company; and (3) provide reasonable 
assurance regarding prevention or timely detection of unauthorized acquisition, use, or disposition of the company’s 
assets that could have a material effect on the financial statements. 

Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements. 
Also, projections of any evaluation of effectiveness to future periods are subject to the risk that controls may become 
inadequate because of changes in conditions, or that the degree of compliance with the policies or procedures may 
deteriorate. 

In our opinion, Noble Energy, Inc. maintained, in all material respects, effective internal control over financial 
reporting as of December 31, 2008, based on criteria established in Internal Control – Integrated Framework issued 
by the Committee of Sponsoring Organizations of the Treadway Commission. 

We also have audited, in accordance with the standards of the Public Company Accounting Oversight Board (United 
States), the consolidated balance sheets of Noble Energy, Inc. and subsidiaries as of December 31, 2008 and 2007, 
and the related consolidated statements of operations, shareholders’ equity, comprehensive income, and cash flows 
for each of the years in the three-year period ended December 31, 2008, and our report dated February 18, 2009 
expressed an unqualified opinion on those consolidated financial statements.  

/s/ KPMG LLP 

Houston, Texas 
February 18, 2009 

59 

 
 
Noble Energy, Inc. and Subsidiaries
Consolidated Statements of Operations
(in millions, except per share amounts)

Revenues
Oil, gas and NGL sales 
Income from equity method investees
Other revenues

Total 

Costs and Expenses
Lease operating expense
Production and ad valorem taxes 
Transportation expense
Exploration expense
Depreciation, depletion and amortization 
General and administrative 
Asset impairments
Gain on sale of assets
Other operating expense, net

Total

Operating Income
Other (Income) Expense
(Gain) loss on commodity derivative instruments
Interest, net of amount capitalized
Other (income) expense, net

Total 

Income Before Income Taxes 
Income Tax Provision 
Net Income 

Earnings Per Share

Basic
Diluted

Weighted average number of shares outstanding

Basic 
Diluted 

Year Ended December 31,

2008

2007

2006

$       

3,651
174
76
3,901

$   

2,966
211
95
3,272

$    

2,701
139
100
2,940

371
166
57
217
791
236
294
(5)
129
2,256
1,645

322
114
52
219
736
206
4
(12)
145
1,786
1,486

317
109
29
168
633
165
9
(220)
111
1,321
1,619

(440)
69
(45)
(416)
2,061
711
1,350

$        

(2)
113
7
118
1,368
424
944

$       

392
117
14
523
1,096
418
678

$       

$          

7.83
7.58

$      

5.52
5.45

$      

3.86
3.79

173
176

171
173

176
179

The accompanying notes are an integral part of these financial statements.

60 

 
           
        
         
             
          
         
          
      
      
 
           
        
         
           
        
         
             
          
          
           
        
         
           
        
         
           
        
         
           
            
            
             
        
       
           
        
         
        
    
      
        
    
      
         
          
         
             
        
         
           
            
          
           
         
         
          
      
      
             
         
         
 
            
        
        
 
           
        
         
           
        
         
 
Noble Energy, Inc. and Subsidiaries
Consolidated Balance Sheets
(in millions)

ASSETS 

Current Assets
Cash and cash equivalents 
Accounts receivable, net
Commodity derivative instruments 
Deferred income taxes 
Asset held for sale
Other current assets

Total current assets 

Property, plant and equipment:
Oil and gas properties (successful efforts method of accounting) 
Other property, plant and equipment

Total property, plant and equipment, net 

Accumulated depreciation, depletion and amortization 
Total property, plant and equipment, net 
Goodwill
Other noncurrent assets

Total Assets 

LIABILITIES AND SHAREHOLDERS’ EQUITY  

Current Liabilities
Accounts payable - trade 
Income taxes payable
Commodity derivative instruments 
Deferred income taxes
Other current liabilities 
  Total current liabilities 
Long-term debt 
Deferred income taxes 
Other noncurrent liabilities 

Total Liabilities 

Commitments and Contingencies 

Shareholders’ Equity
Preferred stock - par value $1.00; 4 million shares authorized, none issued 
Common stock - par value $3.33 1/3; 250 million shares authorized; 

192 million and 191 million shares issued, respectively 

Capital in excess of par value 
Accumulated other comprehensive loss 
Treasury stock, at cost: 19 million shares
Retained earnings 

Total Shareholders’ Equity 
Total Liabilities and Shareholders’ Equity 

The accompanying notes are an integral part of these financial statements.

61 

December 31,

2008

2007

$       

1,140
423
437
-
26
132
2,158

11,963
175
12,138
(3,134)
9,004
759
463
12,384

$     

$          

579
130
23
142
300
1,174
2,241
2,174
486
6,075

$        

660
594
15
131
82
87
1,569

10,217
112
10,329
(2,384)
7,945
761
556
10,831

$    

$        

781
52
540
-
263
1,636
1,851
1,984
551
6,022

-

-

641
2,193
(110)
(614)
4,199
6,309
12,384

$     

636
2,106
(284)
(613)
2,964
4,809
10,831

$    

 
 
 
            
         
            
           
 
                 
         
              
           
 
            
           
 
         
      
 
 
       
    
 
            
         
 
       
    
 
        
     
 
         
      
            
         
 
            
         
  
 
  
  
  
 
            
           
 
              
         
            
              
 
            
         
 
         
      
 
         
      
 
         
      
 
            
         
 
         
      
  
 
 
  
 
                 
              
 
            
         
 
         
      
 
           
        
           
        
 
         
      
  
         
        
  
Noble Energy, Inc. and Subsidiaries
Consolidated Statements of Cash Flows
(in millions)

Year Ended December 31,
2007

2008

2006

Cash Flows from Operating Activities 
Net income 
Adjustments to reconcile net income to net cash 

provided by operating activities: 

Depreciation, depletion and amortization
Dry hole expense 
Impairment of assets
Gain on sale of assets 
Deferred income taxes 
Income from equity method investees
Dividends from equity method investees
Unrealized (gain) loss on commodity derivative instruments
Settlement of previously recognized hedge losses
Allowance for doubtful accounts
Loss on involuntary conversion
Other 

Changes in operating assets and liabilities, net of acquisition: 

Decrease (increase) in accounts receivable 
(Increase) decrease in other current assets 
Decrease in probable insurance claims
(Decrease) increase in accounts payable 
Increase (decrease) in other current liabilities 

Net Cash Provided by Operating Activities 

Cash Flows From Investing Activities 
Additions to property, plant and equipment
Acquisitions, net of cash acquired
Proceeds from sale of property, plant and equipment 
Distributions from equity method investees, net
Net Cash Used in Investing Activities 

Cash Flows From Financing Activities 
Exercise of stock options 
Excess tax benefits from stock-based awards
Cash dividends paid 
Purchase of treasury stock
Proceeds from credit facilities 
Repayment of credit facilities
Repurchase of senior debentures
Repayment of installment notes
Repayment of term loans
Net Cash Provided by (Used in) Financing Activities 
Increase in Cash and Cash Equivalents 
Cash and Cash Equivalents at Beginning of Period 
Cash and Cash Equivalents at End of Period 

The accompanying notes are an integral part of these financial statements.

$   

1,350

$    

944

$   

678

791
84
294
(5)
359
(174)
221
(522)
(194)
49
9
26

121
(37)
20
(142)
35
2,285

(1,971)
(292)
131
-
(2,132)

27
24
(115)
(3)
951
(525)
(7)
(25)
-
327
480
660
1,140

$    

736
90
4
(12)
292
(211)
227
(2)
(183)
14
51
91

(22)
8
108
19
(137)
2,017

(1,414)
-
9
2
(1,403)

25
20
(75)
(102)
280
(255)
-
-
-
(107)
507
153
660

$    

633
70
9
(220)
194
(139)
37
9
406
19
-
82

(32)
(5)
140
(11)
(140)
1,730

(1,357)
(412)
520
151
(1,098)

63
26
(49)
(399)
480
(605)
-
-
(105)
(589)
43
110
153

$    

62 

 
       
      
    
         
        
      
       
          
        
          
       
   
       
      
    
      
     
   
       
      
      
      
         
        
      
     
    
         
        
      
           
        
         
         
        
      
       
       
     
        
          
       
         
      
    
      
        
     
         
     
   
      
   
   
 
   
  
      
           
   
       
          
    
            
          
    
     
  
  
 
         
        
      
         
        
      
      
       
     
          
     
   
       
      
    
      
     
   
          
           
         
        
           
         
            
           
   
         
     
     
         
      
        
         
      
      
 
Noble Energy, Inc. and Subsidiaries
Consolidated Statements of Shareholders' Equity
(in millions)

Common Stock
Balance, beginning of year
Exercise of stock options
Restricted stock awards, net
Balance, end of year
Capital in Excess of Par Value
Balance, beginning of year
Stock-based compensation expense
Exercise of stock options
Tax benefits related to exercise of stock options
Restricted stock awards, net
Rabbi trust shares sold
Adoption of SFAS 123(R), net of tax
Balance, end of year
Accumulated Other Comprehensive Loss
Balance, beginning of year
Oil and gas cash flow hedges:

Realized amounts reclassified into earnings
Unrealized amounts reclassified into earnings
Unrealized change in fair value

Net change in other
Adoption of SFAS 158, net of tax
Balance, end of year
Treasury Stock at Cost
Balance, beginning of year
Purchases of treasury stock
Rabbi trust shares sold
Balance, end of year
Deferred Compensation - Restricted Stock
Balance, beginning of year
Adoption of SFAS 123(R), net of tax
Balance, end of year
Retained Earnings
Balance, beginning of year
Net income
Cash dividends ($0.660, $0.435,

and $0.275 per share, respectively)

Balance, end of year

Year Ended December 31,
2007

2006

2008

$      

636
4
1
641

$      

629
5
2
636

$      

616
13
-
629

2,106
39
23
24
(1)
2
-
2,193

(284)

207
-
-
(33)
-
(110)

(613)
(3)
2
(614)

-
-
-

2,964
1,350

(115)
4,199

2,041
27
20
20
(2)
-
-
2,106

(140)

33
-
(184)
7
-
(284)

(511)
(102)
-
(613)

-
-
-

2,095
944

(75)
2,964

1,945
12
50
26
-
13
(5)
2,041

(784)

145
265
250
17
(33)
(140)

(148)
(399)
36
(511)

(5)
5
-

1,466
678

(49)
2,095

Total Shareholders' Equity

$   

6,309

$   

4,809

$   

4,114

The accompanying notes are an integral part of these financial statements.

63 

 
 
            
            
          
            
            
             
        
        
        
     
     
     
          
          
          
          
          
          
          
          
          
           
          
             
            
            
          
             
            
           
     
     
     
       
      
       
        
          
        
             
            
        
             
      
        
         
            
          
             
            
         
       
      
       
       
      
       
           
      
       
            
            
          
    
      
       
             
            
           
             
            
            
             
            
             
     
     
     
     
        
        
       
        
         
     
     
     
Noble Energy, Inc. and Subsidiaries
Consolidated Statements of Comprehensive Income 
(in millions)

Net income 
Other items of comprehensive income (loss)
Oil and gas cash flow hedges:
  Realized amounts reclassified into earnings
    Less tax provision
  Unrealized change in fair value
    Less tax provision
  Unrealized amounts reclassified into earnings
    Less tax provision
Net change in other
    Less tax provision

Other comprehensive income (loss)

Year Ended December 31,
2007

2006

2008

$         

1,350

$            

944

$            

678

331
(124)
-
-
-
-
(52)
19

174

54
(21)
(295)
111
-
-
11
(4)

(144)

232
(87)
352
(102)
424
(159)
25
(8)

677

Comprehensive income 

$         

1,524

$            

800

$         

1,355

The accompanying notes are an integral part of these financial statements.

64 

 
            
               
             
           
              
              
                 
            
             
                 
             
            
                 
                  
             
                 
                  
            
             
               
               
              
                
                
              
             
              
 
Noble Energy, Inc. 
Notes to Consolidated Financial Statements 

Note 1—Nature of Operations 
Noble Energy, Inc. (Noble Energy, we or us) is an independent energy company engaged in worldwide crude oil, 
natural gas and natural gas liquids (NGLs) exploration and production. We operate primarily in the Rocky 
Mountains, Mid-continent, and deepwater Gulf of Mexico areas in the US, with key international operations 
offshore Israel, the North Sea and West Africa.   

Note 2—Summary of Significant Accounting Policies 
Basis of Presentation and Consolidation—Accounting policies used by us and our subsidiaries conform to 
accounting principles generally accepted in the US. Significant policies are discussed below. Our consolidated 
accounts include our accounts and the accounts of our wholly-owned subsidiaries. We use the equity method of 
accounting for investments in entities that we do not control but over which we exert significant influence. We carry 
equity method investments at our share of net assets of the equity investees plus our loans and advances. Differences 
in the basis of the investment and the separate net asset value of the investee, if any, are amortized into income over 
the remaining useful life of the underlying assets. See Note 11—Equity Method Investments.  All significant 
intercompany balances and transactions have been eliminated upon consolidation. 

Use of Estimates—The preparation of consolidated financial statements in conformity with accounting principles 
generally accepted in the US (GAAP) requires us to make a number of estimates and assumptions relating to the 
reported amounts of assets and liabilities and the disclosure of contingent assets and liabilities at the date of the 
consolidated financial statements and the reported amounts of revenues and expenses during the reporting period. 

Estimates of crude oil and natural gas reserves are the most significant of our estimates. All of the reserve data in 
this Form 10-K are estimates. Reservoir engineering is a subjective process of estimating underground 
accumulations of crude oil and natural gas. There are numerous uncertainties inherent in estimating quantities of 
proved crude oil and natural gas reserves. The accuracy of any reserve estimate is a function of the quality of 
available data and of engineering and geological interpretation and judgment. As a result, reserve estimates may be 
different from the quantities of crude oil and natural gas that are ultimately recovered. Engineers in our Houston, 
Denver and London offices prepare all reserve estimates for our different geographical regions. These reserve 
estimates are reviewed and approved by senior engineering staff and division management with final approval by 
the vice president in charge of corporate reserves and certain members of senior management. See Supplemental Oil 
and Gas Information. 

Other items subject to estimates and assumptions include the carrying amounts of property, plant and equipment and 
goodwill, asset retirement obligations, valuation allowances for receivables and deferred income tax assets, 
valuation of derivative instruments, and obligations related to employee benefits, among others. Management 
evaluates estimates and assumptions on an ongoing basis using historical experience and other factors, including the 
current economic and commodity price environment. The current illiquid credit market combined with volatile 
commodity prices has resulted in increased uncertainty inherent in such estimates and assumptions. As future events 
and their effects cannot be determined accurately, actual results could differ significantly from our estimates. 

Reclassification—Certain reclassifications have been made to the 2007 and 2006 consolidated financial statements 
to conform to the 2008 presentation. These reclassifications were not material to the financial statements. 

Property,  Plant  and  Equipment—Significant  accounting  policies  for  our  property,  plant  and  equipment  are  as 
follows: 
Successful Efforts Method—We account for crude oil and natural gas properties under the successful efforts method 
of accounting. Under this method, costs to acquire mineral interests in crude oil and natural gas properties, to drill 
and equip exploratory wells that find proved reserves and to drill and equip development wells are capitalized. 
Capitalized costs of producing crude oil and natural gas properties, along with support equipment and facilities, are 
amortized to expense by the unit-of-production method based on proved crude oil and natural gas reserves on a 
field-by-field basis as estimated by our engineers. Costs of certain gathering facilities or processing plants serving a 
number of properties or used for third party processing are depreciated using the straight-line method over the useful 
lives of the assets ranging from 7 to 14 years. Upon sale or retirement of depreciable or depletable property, the cost 
and related accumulated DD&A are eliminated from the accounts and the resulting gain or loss is recognized. 
Repairs and maintenance are expensed as incurred. 

Proved Property Impairment—In accordance with SFAS No. 144, “Accounting for the Impairment or Disposal of 
Long-Lived Assets,” we review proved oil and gas properties and other long-lived assets for impairment when 

65 

 
 
events and circumstances indicate a decline in the recoverability of the carrying value of such properties, such as a 
downward revision of the reserve estimates or sustained decrease in commodity prices. We estimate the future cash 
flows expected in connection with the properties and compare such future cash flows to the carrying amount of the 
properties to determine if the carrying amount is recoverable. When the carrying amounts of the properties exceed 
their estimated undiscounted future cash flows, the carrying amount of the properties is reduced to their estimated 
fair value. The factors used to determine fair value include, but are not limited to, estimates of proved reserves, 
available market data associated with the property or similar properties, future commodity prices and operating 
expenses, timing of future production, future capital expenditures and a risk-adjusted discount rate.  

During fourth quarter, 2008, due to declines in commodity prices, we assessed the recoverability of our proved oil 
and gas properties and other long-lived assets and recorded impairment charges. See Note 3 – Asset Impairments. It 
is reasonably possible that other proved oil and gas properties or long-lived assets could become impaired in the 
future if commodity prices continue to decline. 

We recorded impairments of $4 million in 2007 and $9 million in 2006, primarily related to downward reserve 
revisions on US properties and/or adjustment of the carrying value of properties to their fair values. 

Unproved Property Impairment—We assess individually significant unproved properties for impairment of value on 
a quarterly basis and recognize a loss at the time of impairment by providing an impairment allowance. In 
determining whether a significant unproved property is impaired we consider numerous factors including, but not 
limited to, current exploration plans, favorable or unfavorable exploratory activity on adjacent leaseholds, our 
geologists' evaluation of the lease, and the remaining months in the lease term.  

When we have allocated fair values to a significant unproved property as the result of a business combination or 
other purchase of proved and unproved properties, we use a future cash flow analysis to assess the property for 
impairment. Cash flows used in the impairment analysis are determined based on management’s estimates of crude 
oil and natural gas reserves, future commodity prices and future costs to extract the reserves. Cash flow estimates 
related to probable and possible reserves are reduced by additional risk-weighting factors. Other individually 
insignificant unproved properties are amortized on a composite method based on our experience of successful 
drilling and average holding period.  

During fourth quarter 2008, due to declines in commodity prices, we assessed the recoverability of our individually 
significant unproved oil and gas properties and recorded impairment charges. See Note 3 – Asset Impairments. It is 
reasonably possible that other individually significant unproved oil and gas properties could become impaired in the 
future if commodity prices continue to decline. 

We recorded impairments of individually significant unproved properties of $3 million in 2007 and $1 million in 
2006 and included the amounts in exploration expense. 

Properties Acquired in Business Combinations—In determining the fair values of proved and unproved properties 
acquired in business combinations, we prepare estimates of crude oil and natural gas reserves. We estimate future 
prices to apply to the estimated reserve quantities acquired, and estimate future operating and development costs, to 
arrive at estimates of future net cash flows. For the fair value assigned to proved reserves, the future net cash flows 
are discounted using a market-based weighted average cost of capital rate determined appropriate at the time of the 
business combination. To compensate for the inherent risk of estimating and valuing unproved reserves, the 
discounted future net cash flows of probable and possible reserves are reduced by additional risk-weighting factors. 

Exploration Costs—Geological and geophysical costs, delay rentals, amortization of unproved leasehold costs, and 
costs to drill exploratory wells that do not find proved reserves are expensed as oil and gas exploration. We carry the 
costs of an exploratory well as an asset if the well finds a sufficient quantity of reserves to justify its capitalization as 
a producing well and as long as we are making sufficient progress assessing the reserves and the economic and 
operating viability of the project. For certain capital-intensive deepwater Gulf of Mexico or international projects, it 
may take us more than one year to evaluate the future potential of the exploration well and make a determination of 
its economic viability. Our ability to move forward on a project may be dependent on gaining access to 
transportation or processing facilities or obtaining permits and government or partner approval, the timing of which 
is beyond our control. In such cases, exploratory well costs remain suspended as long as we are actively pursuing 
access to necessary facilities and access to such permits and approvals and believe they will be obtained. We assess 
the status of suspended exploratory well costs on a quarterly basis. See Note 7—Capitalized Exploratory Well Costs. 

Other Property—Other property includes autos, trucks, airplane, office furniture and computer equipment and other 
fixed assets such as building and leasehold improvements. These items are recorded at cost and are depreciated on 
the straight-line method based on expected lives of the individual assets or group of assets, which range from three 
to ten years. 

66 

 
Capitalization of Interest—We capitalize interest costs associated with the development and construction of 
significant properties or projects to bring them to a condition and location necessary for their intended use, which for 
crude oil and natural gas assets is at first production from the field. Interest is capitalized using an interest rate 
equivalent to the average rate we pay on long-term debt, including the credit facility and bonds. Capitalized interest 
is included in the cost of oil and gas assets and amortized with other costs on a unit-of-production basis. Capitalized 
interest totaled $33 million in 2008, $17 million in 2007, and $13 million in 2006. 

Revenue Recognition and Imbalances—We record revenues from the sales of crude oil, natural gas and NGLs when 
the product is delivered at a fixed or determinable price, title has transferred and collectibility is reasonably assured. 

When we have an interest with other producers in properties from which natural gas is produced, we use the 
entitlements method to account for any imbalances. Imbalances occur when we sell more or less product than we are 
entitled to under our ownership percentage. Revenue is recognized only on the entitlement percentage of volumes 
sold. Any amount that we sell in excess of our entitlement is treated as a liability and is not recognized as revenue. 
Any amount of entitlement in excess of the amount we sell is recognized as revenue and a receivable is accrued. 

Revenues derived from electricity generation are recognized when power is transmitted or delivered, the price is 
fixed and determinable and collectibility is reasonably assured. 

We also engage in the purchase and sale of third-party crude oil and natural gas. We record third-party sales, net of 
cost of goods sold, as gathering, marketing and processing revenues when the product is delivered or the contract is 
net settled at a fixed or determinable price, title has transferred and collectibility is reasonably assured. Gathering, 
marketing and processing revenues are included in other revenues in the consolidated statements of operations. 

Derivative Instruments and Hedging Activities—We use various derivative instruments in connection with 
anticipated crude oil and natural gas sales to minimize the impact of commodity price fluctuations. Such instruments 
include variable to fixed price commodity swaps, costless collars and variable to fixed price basis swaps. We 
account for derivative instruments and hedging activities in accordance with SFAS No. 133, “Accounting for 
Derivative Instruments and Hedging Activities, as amended” (SFAS 133). SFAS 133 established accounting and 
reporting standards requiring every derivative instrument (including certain derivative instruments embedded in 
other contracts) to be recorded on the balance sheet as either an asset or liability measured at fair value. SFAS 133 
requires that changes in the derivative instrument’s fair value be recognized currently in earnings unless the 
derivative instrument has been designated as a cash flow hedge and specific cash flow hedge accounting criteria are 
met. Under cash flow hedge accounting, unrealized gains and losses are reflected in shareholders’ equity as AOCL 
until the forecasted transaction occurs. The derivative’s gains and losses are then offset against related results on the 
hedged transaction in the statements of operations. Gains and losses from derivative instruments related to crude oil 
and natural gas sales and which qualify for hedge accounting treatment are recorded in oil and gas sales in the 
consolidated statements of operations upon sale of the associated commodity. 

SFAS 133 also requires that a company formally document, designate and assess the effectiveness of transactions 
that receive hedge accounting. Only derivative instruments that are expected to be highly effective in offsetting 
anticipated gains or losses on the hedged cash flows and that are subsequently documented to have been highly 
effective can qualify for hedge accounting. Effectiveness must be assessed both at inception of the hedge and on an 
ongoing basis. Any ineffectiveness in hedging instruments whereby gains or losses do not exactly offset anticipated 
gains or losses of hedged cash flows is measured and recognized in earnings in the period in which it occurs. When 
using hedge accounting, we assess hedge effectiveness quarterly based on total changes in the derivative 
instrument’s fair value and using regression analysis. A hedge is considered effective if certain statistical tests are 
met. We record hedge ineffectiveness in (gain) loss on commodity derivative instruments. See Note 6—Derivative 
Instruments and Hedging Activities. 

Through December 31, 2007, we elected to designate the majority of our crude oil and natural gas derivative instruments as 
cash flow hedges. Effective January 1, 2008, we voluntarily discontinued cash flow hedge accounting on all existing 
commodity derivative instruments. We voluntarily made this change to provide greater flexibility in our use of 
derivative instruments. From January 1, 2008 forward, we recognize all gains and losses on such instruments in 
earnings in the period in which they occur. Net derivative losses that were deferred in AOCL as of December 31, 2007, as a 
result of previous cash flow hedge accounting, are reclassified to earnings in future periods as the original hedged transactions 
occur. The discontinuance of cash flow hedge accounting for commodity derivative instruments did not affect our net assets or 
cash flows at December 31, 2007 and does not require adjustments to our previously reported financial statements. 

Goodwill—Goodwill represents the excess of the cost of an acquired entity over the net amounts assigned to assets 
acquired and liabilities assumed. We account for goodwill in accordance with SFAS No. 142, “Goodwill and Other 
Intangible Assets” (SFAS 142). Goodwill is not amortized to earnings but is tested annually during the fourth 
quarter or whenever events or changes in circumstances indicate that the carrying value may not be recoverable. No 
goodwill impairment was indicated as of December 31, 2008. However, it is reasonably possible that goodwill could 
67 

 
become impaired in the future if commodity prices continue to decline. Changes in the carrying amount of goodwill 
are as follows: 

Year Ended December 31, 

2008

2007

(in millions)

Balance, beginning of period
Tax adjustments related to acquisitions
Tax benefits on stock options exercised
Balance, end of period

$              

$              

761
-
(2)
759

781
(15)
(5)
761

$              

$              

We reduce the amount of goodwill originally recorded for deferred tax assets associated with the exercise of fully-
vested stock options assumed in conjunction with the Patina Merger to the extent that the stock-based compensation 
expense reported for tax purposes does not exceed the fair value of the awards recognized as part of the total 
purchase price. 

Income Taxes—Income taxes are accounted for under the asset and liability method. Deferred tax assets and 
liabilities are recognized when items of income and expense are recognized in the financial statements in different 
periods than when recognized in the applicable tax return. Deferred tax assets arise when expenses are recognized in 
the financial statements before the tax returns or when income items are recognized in the tax return prior to the 
financial statements. Deferred tax assets also arise when operating losses or tax credits are available to offset tax 
payments due in future years. Deferred tax liabilities arise when income items are recognized in the financial 
statements before the tax returns or when expenses are recognized in the tax return prior to the financial statements. 
Deferred tax assets and liabilities are measured using enacted tax rates expected to apply to taxable income in the 
years in which those temporary differences are expected to be recovered or settled. The effect on deferred tax assets 
and liabilities of a change in tax rates is recognized in income in the period that includes the date when the change in 
the tax rate was enacted. 

Statement of Operations Information- Additional statement of operations information is as follows: 

2008

Year Ended December 31,
2007 
(in millions)

2006

Other Revenues
Electricity sales (1)
Gathering, marketing and processing
Total
Other Operating Expense, net
Electricity generation(1)
Gathering, marketing and processing
Loss on involuntary conversion of assets (2)
Other operating (income) expense, net (3)
Total
Other Expense, net
Deferred compensation (income) expense (4)
Interest income
Other (income) expense, net
Total

$                

$                

$                

$                

$                

$              

$                

$                

$                

71
24
95

57
17
51
20
145

72
28
100

59
19
-
33
111

56
20
76

57
19
9
44
129

$              

$              

$              

 $              (32)
(20)
                    7 
$               
(45)

 $                33 
(19)
                  (7)
$                  
7

 $                16 
(3)
1
14

$                

(1) 

Includes amounts related to our 100%-owned Ecuador integrated power project. The project includes the 
Amistad natural gas field, offshore Ecuador, which supplies natural gas to fuel the Machala power plant located 
in Machala, Ecuador. Electricity generation expense includes DD&A and increases in the allowance for 
doubtful accounts of $11 million in 2008, $14 million in 2007 and $15 million in 2006. See Allowance for 
Doubtful Accounts below. 

(2)  See Note 4 – Acquisitions and Divestitures – Main Pass Asset. 
(3) 

Includes $38 million write-down of SemCrude, L.P. receivable in third quarter 2008. See Note 17 – 
Commitments and Contingencies.  

(4)  Amount represents increases (decreases) in the fair value of Noble Energy common stock held in a rabbi trust. 

See Note 12 – Benefit Plans. 

68 

 
                     
                 
                   
                   
 
  
                  
                  
                  
  
                
                
                 
                    
                  
                     
  
                  
                  
                  
  
                 
                 
                   
                    
 
Balance Sheet Information – Additional balance sheet information is as follows: 

December 31,

2008

2007

(in millions)

Other Current Assets
Inventories
Prepaid expenses and other
Total
Other Noncurrent Assets
Equity method investments
Mutual fund investments
Commodity derivative instruments
Other assets
Total
Other Current Liabilities
Accrued and other current liabilities
Short-term borrowings
Asset retirement obligations
Interest payable
Deferred gain on asset sale
Total
Other Noncurrent Liabilities
Deferred compensation liabilities
Commodity derivative instruments
Asset retirement obligations
Accrued benefit costs
Other noncurrent liabilities
Total

$              

$                

$              

$                

$              

$              

$              

$              

$              

$              

$              

$              

$              

$              

$              

$              

105
27
132

311
84
33
35
463

215
25
27
9
24
300

159
2
184
81
60
486

60
27
87

357
124
5
70
556

207
25
13
18
-
263

225
83
131
51
61
551

Statements of Cash Flows and Supplementary Disclosures of Cash Flow Information— For purposes of reporting 
cash flows, cash and cash equivalents include unrestricted cash on hand and investments with original maturities of 
three months or less at the time of purchase. Additional cash flow information is as follows: 

Cash paid during the year for
Interest, net of amount capitalized
Income taxes paid, net
Non-cash financing and investing activities
Issuance of notes for property interests

Year Ended December 31,
2007
2008
2006
(in millions)

$     

76
263

$   

105
149

$   

106
115

-

50

-

Allowance for Doubtful Accounts—We routinely assess the recoverability of all material trade and other receivables 
to determine their collectibility. We accrue a reserve on a receivable when, based on management’s judgment, it is 
probable that a receivable will not be collected and the amount of such reserve may be reasonably estimated. 

Changes in the allowance for doubtful accounts are as follows: 

Balance, beginning of period
Charged to expense
Deductions and other
Balance, end of period

2008

$                

Year Ended December 31, 
2007
(in millions)
$                
35
14
1
50

$                

50
49
(2)
97

2006

$                

19
19
(3)
35

$                

$                

During third quarter 2008, we increased the allowance by $38 million for the probable loss on a receivable from 
SemCrude, L.P., a crude oil purchaser. See Note 17 - Commitments and Contingencies. 

69 

 
                  
                  
                  
                
                  
                    
                  
                  
                  
                  
                  
                  
                    
                  
                  
                     
                    
                  
                
                
                  
                  
                  
                  
 
    
    
     
         
      
          
 
                  
                  
                  
                   
                    
                   
 
Through December 31, 2008, we had recorded an allowance for doubtful accounts of $57 million related to our 
Ecuador power operations. The allowance was necessary to cover potentially uncollectible balances, as certain 
entities purchasing electricity in Ecuador have been slow to pay amounts due us. As a result of pursuing various 
strategies to protect our interests, including international arbitration and litigation, we reached a settlement in fourth 
quarter 2008. However, we have not yet received any funds related to the settlement. We will reverse our allowance 
for doubtful accounts upon receipt of payment from the Ecuadorian government. 
Amounts charged to expense include $11 million in 2008, $14 million in 2007 and $15 million in 2006 to cover 
potentially uncollectible balances related to the Ecuador power operations. The allowance was also increased by 
$2 million in 2006 to record various provisions related to our US business. 

Inventories— Inventories consist primarily of tubular goods and production equipment used in our oil and gas 
operations and crude oil produced but not yet sold. Materials and supplies inventories are stated at the lower of 
average cost or market. The cost of crude oil inventory includes production costs and DD&A expense. Inventories 
consisted of the following at December 31, 2008: 

December 31,

2008

2007

Materials and supplies
Crude oil
Total inventories

$         

$         

(in millions)
92
13
105

$       

$         

56
4
60

Basic  and Diluted Earnings Per Share—Basic earnings per share (EPS) of common stock have been computed on 
the basis of the weighted average number of shares outstanding during each period. The diluted EPS of common 
stock includes the effect of outstanding common stock equivalents. See Note 14 – Earnings Per Share. 

Related Party Transactions—We entered into a consulting agreement with a former officer of Patina who now 
serves as a member of our Board of Directors. Pursuant to the consulting agreement, the Board member served as a 
consultant to the combined company for a period of 12 months following the merger (May 16, 2005) in exchange 
for a monthly retainer of $50,000. In 2007, we reimbursed his office space rent of $42,000. In 2006, we paid 
consulting fees of $225,806 and reimbursed his office space rent of $72,000. 

Contingencies—We are subject to legal proceedings, claims and liabilities that arise in the ordinary course of 
business. We accrue for losses associated with legal claims when such losses are considered probable and the 
amounts can be reasonably estimated. See Note 17 – Commitments and Contingencies. 

We self-insure the medical and dental coverage provided to certain employees, certain workers’ compensation and 
the first $1 million of general liability coverage. Liabilities are accrued for self-insured claims, or when estimated 
losses exceed coverage limits, and when sufficient information is available to reasonably estimate the amount of the 
loss. 

Concentration of Market Risk—During 2008, Suncor Energy Marketing was the largest single non-affiliated 
purchaser of production and accounted for 22% of crude oil sales, or 13% of total oil, gas and NGL sales. In 2007, 
Marathon Petroleum Supply Company was the largest single non-affiliated purchaser of production and accounted 
for 18% of crude oil sales, or 10% of total oil, gas and NGL sales. During 2006, Trafigura Beheer B.V. was the 
largest single non-affiliated purchaser of production and accounted for 28% of crude oil sales, or 15% of total oil, 
gas and NGL sales. Shell Trading (US) Company accounted for 18% of 2006 crude oil sales or 10% of 2006 total 
oil, gas and NGL sales. We believe the loss of any one purchaser would not have a material effect on our financial 
position or results of operation since there are numerous potential purchasers of our production. 

Concentration of Credit Risk—Certain of our financial instruments, including cash equivalents, trade and joint 
interest receivables and derivative instruments, may expose us to credit risk.  Substantially all of our cash at 
December 31, 2008 is located in our foreign subsidiaries. The cash is denominated in US dollars and invested in 
highly liquid, investment-grade securities, US Treasury securities and short term deposits with original maturities of 
three months or less at the time of purchase. Although our cash and cash equivalents are deposited with major 
international banks and financial institutions, concentrations of cash in certain foreign locations may increase credit 
risk. We monitor the creditworthiness of the banks and financial institutions with which we invest and review the 
securities underlying our investment accounts. We believe that losses from nonperformance are unlikely to occur; 
however, we are not able to predict sudden changes in creditworthiness. 

Our accounts receivable result primarily from sales of crude oil, natural gas and NGL production and joint interest 
billings to our partners. The receivables reflect a broad national and international customer base, which limits our 
exposure to concentrations of credit risk.  The majority of these receivables have payment terms of 30 days or less. 

70 

 
           
             
 
We continually monitor the creditworthiness of the counterparties, some of which are not as creditworthy as we are 
and may experience liquidity problems.  We have obtained credit enhancements from some parties in the way of 
parental guarantees or letters of credit, including from our largest international crude oil purchaser. However, we do 
not have all of our trade credit enhanced through guarantees or credit support. Nonperformance by a trade creditor 
could result in losses. In third quarter 2008, we reduced the carrying value of a receivable from SemCrude, L.P., a 
crude oil purchaser, and recognized a pre-tax charge of $38 million for a probable loss. See Note 17 – Commitments 
and Contingencies.  

We use crude oil and natural gas derivative instruments to mitigate the effects of commodity price fluctuations and 
these derivative instruments expose us to counterparty credit risk. Our counterparties are major banks or financial 
institutions. Our derivative instruments are executed under master agreements which allow us, in the event of 
default, to elect early termination of all contracts with the defaulting counterparty. If we choose to elect early 
termination, all asset and liability positions with the defaulting counterparty would be net settled at the time of 
election. We monitor the creditworthiness of our counterparties. However, we are not able to predict sudden changes 
in counterparties’ creditworthiness. Should one of these financial counterparties not perform, we may not realize the 
benefit of some of our derivative instruments under lower commodity prices as well as incur a loss. See Note 6 – 
Derivative Instruments and Hedging Activities – Receivables/Payables Related to Commodity Derivative 
Instruments. 

Treasury  Stock—We  record  treasury  stock  purchases  at  cost,  which  includes  incremental  direct  transaction  costs. 
Amounts are recorded as reductions in shareholders’ equity. 

Foreign Currency—The US dollar is considered the functional currency for each of our international operations. 
Transactions that are completed in foreign currencies are remeasured into US dollars and recorded in the financial 
statements at prevailing foreign exchange rates. Transaction gains or losses were not material in any of the periods 
presented and are included in other (income) expense, net on the statements of operations. 

Adoption of SFAS 123(R)—We adopted SFAS No. 123(R), “Share-Based Payment” (SFAS 123(R)) as of January 
1, 2006. SFAS 123(R) revised SFAS No. 123, “Accounting for Stock-Based Compensation” and nullified 
APB 25 and its related implementation guidance. SFAS 123(R) requires companies to measure the grant-date fair 
value of stock options and other stock-based compensation issued to employees and expense the fair value over 
the requisite service period of the award. SFAS 123(R) became effective for interim or annual periods beginning 
January 1, 2006. See Note 13—Stock-Based Compensation. 

Adoption of SFAS 157 – We adopted SFAS No. 157, “Fair Value Measurements” (SFAS 157), as of January 1, 2008 
as related to our financial assets and liabilities. SFAS 157 establishes a single authoritative definition of fair value 
based upon the assumptions market participants would use when pricing an asset or liability and creates a fair value 
hierarchy that prioritizes the information used to develop those assumptions. Under the standard, additional 
disclosures are required, including disclosures of fair value measurements by level within the fair value hierarchy. 
As a result of adoption, we began incorporating a credit risk assumption into the measurement of certain assets and 
liabilities. Adoption of SFAS 157 did not have a significant impact on our consolidated financial statements. See 
Note 5 – Fair Value Measurements. 

As of January 1, 2009, we adopted SFAS 157 as it relates to nonfinancial assets and liabilities, including 
nonfinancial assets and liabilities measured at fair value in a business combination; impaired property, plant and 
equipment; goodwill; and initial recognition of asset retirement obligations. Adoption of SFAS 157 for our existing 
nonfinancial assets and liabilities did not have a significant impact on our consolidated financial statements. 

Adoption of SFAS 158—We adopted SFAS No. 158, “Employers’ Accounting for Defined Benefit Pension and 
Other Postretirement Plans, an amendment of FASB Statements No. 87, 88, 106, and 132(R)” (SFAS 158) as of 
December 31, 2006. SFAS 158 requires plan sponsors of defined benefit pension and other postretirement benefit 
plans to recognize the funded status of their postretirement benefit plans in the statement of financial position, 
measure the fair value of plan assets and benefit obligations as of the date of the fiscal year-end statement of 
financial position, and provide additional disclosures. The effect of adoption on our financial position at 
December 31, 2006 was included in our consolidated balance sheets. Adoption of SFAS 158 had no effect on our 
results of operations for the year ended December 31, 2006. See Note 12—Benefit Plans. 

Adoption of FSP FIN 39-1 – We adopted FASB Staff Position FIN 39-1, “An Amendment of FASB Interpretation 
No. 39” (FSP FIN 39-1), as of January 1, 2008. FSP FIN 39-1 addresses certain modifications to FIN 39, “Offsetting 
of Amounts Related to Certain Contracts.” FSP FIN 39-1 allows companies to offset fair value amounts recognized 
for derivative instruments and the fair value amounts recognized for the right to reclaim cash collateral or the 
obligation to return cash collateral. The cash collateral (commonly referred to as a “margin”) must arise from 
derivative instruments recognized at fair value that are executed with the same counterparty under a master netting 

71 

 
arrangement. Upon adoption, we elected to offset the right to reclaim cash collateral or the obligation to return cash 
collateral against our net derivative positions for which master netting agreements exist. As of December 31, 2008 
and 2007, we had no significant cash collateral obligations. 

Adoption of FIN 48 – We adopted FASB Interpretation No. 48, “Accounting for Uncertainty in Income Taxes, an 
interpretation of FASB Statement No. 109” (FIN 48) as of January 1, 2007. FIN 48 clarifies the accounting for 
uncertainty in income taxes recognized in a company’s financial statements in accordance with SFAS No. 109, 
“Accounting for Income Taxes”. FIN 48 prescribes a recognition threshold and measurement attribute for the 
financial statement recognition and measurement of a tax position taken or expected to be taken in a tax return. FIN 
48 also provides guidance on derecognition, classification, interest and penalties, accounting in interim periods, 
disclosure, and transition. We also adopted FASB Staff Position No. FIN 48-1, “Definition of Settlement in FASB 
Interpretation No. 48” (FSP FIN 48-1) as of January 1, 2007. FSP FIN 48-1 provides that a company’s tax position 
will be considered settled if the taxing authority has completed its examination, the company does not plan to 
appeal, and it is remote that the taxing authority would reexamine the tax position in the future. The adoption of FIN 
48 and FSP FIN 48-1 had no effect on our financial position or results of operations. See Note 9—Income Taxes. 

Note 3 – Asset Impairments 

As a result of the depressed economic environment, coupled with a severe decrease in commodity prices during the 
fourth quarter of 2008, we assessed the recoverability of our oil and gas properties and other investments as of 
December 31, 2008. As a result of this analysis we determined that certain of our assets were impaired.  In addition, 
during third quarter 2008, we recorded an impairment charge related to an asset held for sale.  Total pre-tax (non-
cash) impairments for 2008 were $294 million.   

Total asset impairment charges assessed under FAS 144 for 2008 were $219 million, of which $149 million related 
to our US proved properties and $70 million related to our investment in Ecuador. These assets were written down 
to their estimated fair values which were determined using discounted cash flow models. The discounted cash flow 
models included management’s estimates of future oil and gas production, commodity prices based on December 
31, 2008 commodity price strips, operating and development costs, as well as appropriate discount rates. 

We also perform periodic assessments related to our individually significant unproved properties.  We recorded an 
impairment charge of $75 million related to our US unproved properties. These impairments were primarily related 
to allocated fair values attributable to probable and possible reserves acquired in previous business combinations. 
We assessed these properties using discounted cash flow models based on management’s assumptions of future 
production, commodity prices, operating and development costs, as well as appropriate discount rates.   

 Note 4—Acquisitions and Divestitures 

Mid-continent Acquisition – In July 2008, we acquired producing properties in western Oklahoma for $292 million 
in cash. The total purchase price has been preliminarily allocated to the proved and unproved properties acquired 
based on fair values at the acquisition date. Approximately $254 million was allocated to proved properties and $38 
million to unproved properties. 

Main Pass Asset – We have initiated a process to sell our remaining operated non-core Gulf of Mexico shelf asset. 
This asset, located at Main Pass, suffered significant hurricane damage in 2004 and 2005 and has undergone cleanup 
activities that were completed in the third quarter of 2007. During the first half of 2007, several factors contributed 
to an increase in our estimated cleanup costs for damage and included cost escalation due to weather delays and an 
increase in effort for the design and construction of the deck lifting barge and mooring system, as well as additional 
costs for the actual deck lifting activities.  These increases caused the total project costs, combined with net book 
value of the assets destroyed, to exceed certain insurance coverage limitations.  As a result, we recorded $51 million 
as a loss on involuntary conversion.   

In 2008, in anticipation of the sale, we recorded an impairment loss of $38 million (based on anticipated proceeds 
less costs to sell) related to the Main Pass asset. We also recorded a loss on involuntary conversion of $9 million 
upon resolution of our insurance claims related to the hurricane damage sustained in 2005. An asset held for sale of 
$26 million is included in current assets and associated asset retirement obligations of $15 million are included in 
current liabilities in our consolidated balance sheets at December 31, 2008. 

Through  December  31,  2008,  we  received  $330  million  of  insurance  recoveries  related  to  damage  caused  by 
Hurricanes  Ivan  and  Katrina.  As  of  December  31,  2008,  we  recorded  probable  insurance  claims  of  $10  million. 
Insurance reimbursements received for cleanup and repair costs are included in cash flows from operating activities.   

Sale of Argentina Assets— In February 2008, effective July 1, 2007, we sold our interest in Argentina for a sales 
price  of  $117.5  million.  The  sale  is  subject  to  Argentine  government  approval,  which  has  not  been  received. 

72 

 
Accordingly,  the  gain  on  sale  of  approximately  $24  million  has  been  deferred  in  other  current  liabilities  until 
approval is obtained. We are currently unable to predict when government approval will be obtained. 

Sale of Gulf of Mexico Shelf Properties—In 2006, we completed the sale of essentially all of our Gulf of Mexico 
shelf properties except for the Main Pass asset which required repairs related to hurricane damage at the time. Pretax 
cash proceeds from the sale totaled $506 million including proceeds received from parties who exercised 
preferential rights to purchase certain minor properties. We recorded a pretax gain of $211 million from the sale. 
The net book value of properties sold totaled $229 million. Asset retirement obligations of $45 million, related to the 
Gulf of Mexico shelf properties, were also included in the sale. In accordance with SFAS 142, we allocated 
$100 million of our US reporting unit goodwill to the sale. The property disposition did not qualify for accounting as 
discontinued operations, in accordance with EITF 03-13, “Applying the Conditions in Paragraph 42 of FASB 
Statement No. 144 in Determining Whether to Report Discontinued Operations”. This is due to the migration of our 
investment and operations to the deepwater Gulf of Mexico which we believe is an area of higher potential. 

As a result of the sale, we recognized a pretax charge of $399 million related to cash flow hedge losses which were 
reclassified from AOCL to earnings. This reclassification reflected the mark-to-market value of the cash flow 
hedges that related to Gulf of Mexico shelf production. See Note 6—Derivative Instruments and Hedging Activities. 

Purchase of U.S. Exploration Holdings, Inc.—In 2006, we purchased the common stock of U.S. Exploration, a 
privately held corporation, for a cash purchase price of $412 million plus liabilities assumed. U.S. Exploration’s 
reserves and production are located in Colorado’s Wattenberg field. The total purchase price was allocated to the 
assets acquired and liabilities assumed based on fair values at the acquisition date as follows: 

•  $413 million to proved oil and gas properties; 
•  $131 million to unproved oil and gas properties; 
•  $34 million to goodwill; and 
•  $172 million to deferred income taxes. 

Note 5 – Fair Values of Financial Instruments 

Certain of our assets and liabilities are reported at fair value in our consolidated balance sheets.  The following 
methods and assumptions were used to estimate the fair values for each class of financial instruments: 

Cash, Cash Equivalents, Accounts Receivable and Accounts Payable – The carrying amounts approximate fair value 
due to the short-term nature or maturity of the instruments. 

Mutual Fund Investments – Our mutual fund investments, which primarily include assets held in a rabbi trust, 
consist of various publicly-traded mutual funds that include investments ranging from equities to money market 
instruments. The fair values are based on quoted market prices. 

Commodity Derivative Instruments – Our commodity derivative instruments consist of variable to fixed price 
commodity swaps, costless collars and basis swaps. We estimate the fair values of these instruments based on 
published forward commodity price curves for the underlying commodities as of the date of the estimate. The 
discount rate used in the discounted cash flow projections is based on published LIBOR rates, Eurodollar futures 
rates and interest swap rates. The fair values also include a measure of counterparty credit risk or our own 
nonperformance risk based on the current published credit default swap rates. In addition, for costless collars, we 
estimate the option value of the contract floors and ceilings using an option pricing model which takes into account 
market volatility, market prices and contract parameters. See Note 6 – Derivative Instruments and Hedging 
Activities. 

73 

 
 
 
 
 
 
 
 
 
 
Fair value information for financial assets and liabilities that are measured at fair value each reporting period is as 
follows at December 31, 2008: 

Fair Value Measurements Using

Quoted Prices
in Active
Markets
(Level 1)

Significant Other
Observable
Inputs
(Level 2)

Significant
Unobservable
Inputs
(Level 3)

(in millions)

Netting
Adjustment (1)

Fair
Value
Measurement

Financial assets
Mutual fund investments
Commodity derivative instruments
Financial liabilities
Commodity derivative instruments

$     

84
-

-

-
$           
492

(47)

-$     
-

-

$        
-
(22)

22

$          

84
470

(25)

(1)  Amount represents the impact of master netting agreements that allow us to settle asset and liability positions 

with the same counterparty. 

SFAS 157, which we adopted as of January 1, 2008, establishes a fair value hierarchy which prioritizes the inputs to 
valuation techniques used to measure fair value into three levels. The fair value hierarchy gives the highest priority 
to quoted market prices (unadjusted) in active markets for identical assets or liabilities (Level 1) and the lowest 
priority to unobservable inputs (Level 3). Level 2 inputs are inputs, other than quoted prices included within Level 
1, which are observable for the asset or liability, either directly or indirectly. We use Level 1 inputs when available 
as Level 1 inputs generally provide the most reliable evidence of fair value. 

Debt –The fair value of fixed-rate debt is estimated based on the published market prices for the same or similar 
issues.  The fair value of floating-rate debt is estimated using the carrying amounts because the interest rates paid on 
such debt are set for periods of three months or less. See Note 8—Debt.  

Additional information regarding our debt is as follows: 

December 31,

2008

2007

Carrying
Amount

Fair
Value

Carrying
Amount

Fair
Value

Total debt, net of unamortized discount

$       

2,266

Note 6—Derivative Instruments and Hedging Activities 

(in millions)
$     
2,172

$    

1,876

$     

1,920

Commodity Derivative Instruments—We use various derivative instruments in connection with anticipated crude oil 
and natural gas sales to minimize the impact of commodity price fluctuations on cash flows. Such instruments 
include variable to fixed price commodity swaps, costless collars and basis swaps. While these instruments mitigate 
the cash flow risk of future reductions in commodity prices they may also curtail benefits from future increases in 
commodity prices. We account for derivative instruments and hedging activities in accordance with SFAS 133 and 
all derivative instruments are reflected at fair value on our consolidated balance sheets. We elected to designate the 
majority of our commodity derivative instruments as cash flow hedges through December 31, 2007. As discussed in 
Note 2—Summary of Significant Accounting Policies, we voluntarily discontinued cash flow hedge accounting for 
our commodity derivative instruments effective January 1, 2008. See Note 5 – Fair Values of Financial Instruments 
for a discussion of methods and assumptions used to estimate the fair values of our commodity derivative 
instruments. 

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The  components  of  (gain)  loss  on  commodity  derivative  instruments  included  in  the  consolidated  statements  of 
operations include the following: 

Year Ended December 31,

2008

2007

2006

Unrealized gain on commodity derivative instruments
Realized (gain) loss on commodity derivative instruments
Reclassified from AOCL (1)
Ineffectiveness (gain) loss
(Gain) loss on commodity derivative instruments

$   

$   

(522)
82
-
-
(440)

(in millions)
$          
-
-
-
(2)
(2)

$        

$           
-
(41)
424
9
392

$      

(1) 

 Under our previous cash flow hedge accounting, if it became probable that the hedging instrument was no 
longer highly effective, the hedging instrument lost hedge accounting treatment. All current mark-to-market 
gains and losses were recorded in earnings and all accumulated gains or losses recorded in AOCL related to 
the hedging instrument were also reclassified to earnings. During 2006, we reclassified a pretax charge of 
$399 million from AOCL to earnings when it became probable that forecasted crude oil and natural gas sales 
would not occur due to the sale of Gulf of Mexico shelf properties. A mark-to-market gain of $39 million and 
the reclassification of a pretax charge of $25 million from AOCL to earnings due to the impacts of Hurricanes 
Katrina and Rita on the timing of forecasted Gulf of Mexico production were also included in 2006.  

Crude oil and natural gas sales include amounts reclassified from AOCL as follows: 

(Decrease) in crude oil sales
Increase (decrease) in natural gas sales
Total (decrease) in crude oil and natural gas sales

2006

2008

Year Ended December 31,
2007
(in millions)
(223)
$      
169
(54)

(365)
34
(331)

$        

$   

$   

$    

$    

(191)
(41)
(232)

As of December 31, 2008 and 2007, the balance in AOCL included net deferred losses of $48 million and 
$255 million, respectively, related to the fair value of crude oil and natural gas derivative instruments accounted for 
as cash flow hedges. The net deferred losses are net of deferred income tax benefits of $29 million and $153 million, 
respectively. Approximately $36 million of deferred losses (net of tax) related to the fair values of the commodity 
derivative instruments previously designated as cash flow hedges and remaining in AOCL at December 31, 2008 
will be reclassified to earnings during the next 12 months as the forecasted transactions occur, and will be recorded 
as a reduction in oil and gas sales of approximately $57 million before tax. All forecasted transactions currently 
being hedged are expected to occur by December 2010. 

As of December 31, 2008, we had entered into the following crude oil derivative instruments: 

Variable to Fixed Price Swaps

Costless Collars

Index
NYMEX WTI
Dated Brent

Production
Period

2009
2009
2009 Average

2010

Bbls

Weighted
Average

Per Day Fixed Price
88.43
87.98
88.35

9,000
2,000
11,000

$     

Index
NYMEX WTI
Dated Brent

Bbls
Per Day
6,700
5,074
11,774

Weighted
Average
Floor Price
79.70
70.62
75.79

$ 

Weighted
Average
Ceiling Price
$  

90.60
87.93
89.45

NYMEX WTI

5,500

69.00

85.65

From January 1, 2009 to February 18, 2009, we entered into additional NYMEX WTI costless collars covering 
2,000 Bbls per day for calendar year 2010.   

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As of December 31, 2008, we had entered into the following natural gas derivative instruments: 

Costless Collars

Production
Period

2009

2009
2009 Average

Index

NYMEX HH
IFERC CIG (1)

MMBtu
Per Day
  170,000 

15,000
185,000

2010

 IFERC CIG 

15,000

(1) 

 Colorado Interstate Gas – Northern System 

Weighted
Average
Floor Price

$   

9.15

Weighted
Average
Ceiling Price
$  

10.81

6.00
8.90

6.25

9.90
10.73

8.10

As of December 31, 2008, we had entered into the following natural gas basis swaps: 

Basis Swaps

Production

Period

2009
2010

Index

IFERC CIG
IFERC CIG

Index Less

Differential
NYMEX HH
NYMEX HH

MMBtu

Per Day

140,000
20,000

Weighted
Average

Differential
$        
2.49
1.99

From January 1, 2009 to February 18, 2009, we entered into additional IFERC CIG basis swaps covering 30,000 
MMBtu per day for calendar year 2010.   

The costless collar, fixed price swap and basis swap contracts entitle us (floating price payor) to receive settlement 
from the counterparty (fixed price payor) for each calculation period in amounts, if any, by which the settlement 
price for the scheduled trading days applicable for each calculation period is less than the fixed price or floor price. 
We would pay the counterparty if the settlement price for the scheduled trading days applicable for each calculation 
period is more than the fixed price or ceiling price. The amount payable by us, if the floating price is above the fixed 
or ceiling price, is the product of the notional quantity per calculation period and the excess, if any, of the floating 
price over the fixed or ceiling price in respect of each calculation period. The amount payable by the counterparty, if 
the floating price is below the fixed or floor price, is the product of the notional quantity per calculation period and 
the excess, if any, of the fixed or floor price over the floating price in respect of each calculation period. 

Other Derivative Instruments—In addition to the derivative instruments described above, we may employ derivative 
instruments in connection with purchases and sales of production in order to establish a fixed margin and mitigate 
the risk of price volatility. Most of the purchases are on an index basis. However, purchasers in the markets in which 
we sell often require fixed or NYMEX-related pricing. We may use a derivative instrument to convert the fixed or 
NYMEX sale to an index basis thereby determining the margin and minimizing the risk of price volatility. 

Receivables/Payables  Related  to  Commodity  Derivative  Instruments—The  fair  values  of  derivative  instruments 
included in the consolidated balance sheets are as follows: 

Commodity derivative instruments
Current asset
Long-term asset 
Current liability
Long-term liability 

December 31,

2008

2007

(in millions) 

$     

437
33
(23)
(2)

$       

15
5
(540)
(83)

Interest Rate Lock—We occasionally enter into forward contracts or swap agreements to hedge exposure to interest 
rate risk. Changes in fair value of interest rate swaps or interest rate “locks” used as cash flow hedges are reported in 
AOCL, to the extent the hedge is effective, until the forecasted transaction occurs, at which time they are recorded 
as adjustments to interest expense over the term of the related notes. At December 31, 2008 and 2007, AOCL 
included deferred losses, net of tax, of $3 million and $4 million, respectively, related to interest rate swaps. This 
amount is being reclassified into earnings, at the rate of $0.8 million per year, as an adjustment to interest expense 
over the term of our 5¼% senior notes due 2014.  

76 

 
   
     
      
 
     
    
   
     
      
 
      
        
          
 
  
         
           
  
        
     
  
          
       
 
As of December 31, 2007, we had entered into two additional interest rate locks, each in the notional amount of 
$500 million. The locks were based on five and ten year US Treasury rates of 3.55% and 4.15%, respectively, and 
were scheduled to expire in September 2008. We settled the locks in July 2008 at a total cost of $0.2 million.  

Note 7—Capitalized Exploratory Well Costs 

We capitalize exploratory well costs until a determination is made that the well has found proved reserves or is 
deemed noncommercial, in which case the well costs are immediately charged to exploration expense. 

Changes in capitalized exploratory well costs are as follows and exclude amounts that were capitalized and 
subsequently expensed in the same period: 

2008

Year Ended December 31,
2007
(in millions)

2006

Capitalized exploratory well costs, beginning of period 
Additions to capitalized exploratory well costs pending

 $            249   $              80   $              35 

determination of proved reserves

               253                 182                   63 

Reclassified to proved oil and gas properties based on

determination of proved reserves

Capitalized exploratory well costs charged to expense

                  -                    (7)                (17)
                 (1)                  (6)                  (1)

Capitalized exploratory well costs, end of period

$            

501

$            

249

$              

80

The following table provides an aging of capitalized exploratory well costs (suspended well costs) based on the date 
the drilling was completed and the number of projects for which exploratory well costs have been capitalized for a 
period greater than one year since the completion of drilling: 

Exploratory well costs capitalized for a period of one year or less 
Exploratory well costs capitalized for a period greater

than one year after completion of drilling 

Balance, end of period

December 31,
2007
(in millions)
$         

187

2006

$          

58

2008

$       

256

245

62

22

$       

501

$         

249

$          

80

Number of projects with exploratory well costs that have been
   capitalized for a period greater than one year after completion of drilling 

6

5

4

The following table provides a further aging of those exploratory well costs that have been capitalized for a period 
greater than one year since the completion of drilling as of December 31, 2008: 

Project
West Africa
Raton South (deepwater Gulf of Mexico)
Redrock (deepwater Gulf of Mexico)
Flyndre (North Sea)
Selkirk (North Sea)
Other
Total exploratory well costs capitalized for a period greater

Total

Suspended Since
2006
2007

(in millions)

2005

$       

160
28
17
15
22
3

$       

140
5
-
12
22
-

$           
1
23
17
3
-
3

$        

19
-
-
-
-
-

than one year after completion of drilling

$       

245

$       

179

$         

47

$        

19

Exploratory well costs capitalized for more than one year at December 31, 2008 include six projects, one of which 
includes activity in West Africa. We incurred exploratory well costs of $160 million in West Africa for Blocks O 
and I offshore Equatorial Guinea and the PH-77 license offshore Cameroon. Since drilling the initial well for this 
project, additional seismic work has been completed and exploration and appraisal wells have been drilled to further 
evaluate our discoveries. The West Africa development team is proceeding with a program to further define the 

77 

 
 
         
             
            
             
               
              
 
           
             
           
             
           
             
           
             
           
           
             
             
           
           
             
             
             
             
             
             
 
resources in this area such that an optimal development program may be designed. Accordingly, a development plan 
for the Benita discovery on Block I was submitted to the Equatorial Guinean government in December 2008, and we 
await their approval. In addition to the amount of exploratory well costs that have been capitalized for a period 
greater than one year for the West Africa project, we have incurred $108 million in suspended costs related to 
additional drilling activity in West Africa through December 31, 2008. 

Additionally, we incurred exploratory well costs related to two projects in the deepwater Gulf of Mexico.  One 
project relates to Raton South (Mississippi Canyon Block 292) and includes $28 million of suspended exploratory 
well costs. A successful sidetrack well was recently completed on this prospect and tie-back to a host facility is 
anticipated in late 2009. The other project relates to Redrock (Mississippi Canyon Block 204) and includes $17 
million of suspended exploratory well costs. Tie-back of Redrock is anticipated to occur following the tie-back of 
Raton South. 

The Flyndre and Selkirk projects are located in the UK sector of the North Sea and incurred exploratory well costs 
of $15 million and $22 million, respectively.  We successfully completed an exploratory appraisal well at each 
project in 2007 and are working with the co-venturers to formulate development plans. 

The remaining project, which totals $3 million in suspended exploratory well costs, continues to be evaluated by 
various means including additional seismic work, drilling additional wells and evaluating the potential of the 
exploration well. 

Note 8—Debt 

Our debt consists of the following: 

December 31,

2008

2007

Debt

Interest Rate

Debt

Interest Rate

(in millions, except percentages)

Credit facility
5 ¼% Senior Notes, due April 15, 2014 
7 ¼% Notes, due October 15, 2023
8% Senior Notes, due April 1, 2027
7 ¼% Senior Debentures, due August 1, 2097
Installment payments, due May 11, 2009
Long-term debt
Installment payments - current portion

$          

1,606
200
100
250
89
-
2,245
25

0.80%
5.25%
7.25%
8.00%
7.25%
-

4.18%

$           

1,180
200
100
250
100
25
1,855
25

5.28%
5.25%
7.25%
8.00%
7.25%
5.53%

5.53%

Total debt
Unamortized discount

2,270
(4)

1,880
(4)

Total debt, net of discount

$          

2,266

$           

1,876

All of our long-term debt is senior unsecured debt and is, therefore, pari passu with respect to the payment of both 
principal and interest. The indenture documents of each of the 7¼% Notes, the 8% Senior Notes and the 7¼% 
Senior Debentures provide that we may prepay the instruments by creating a defeasance trust. The defeasance 
provisions require that the trust be funded with securities sufficient, in the opinion of a nationally recognized 
accounting firm, to pay all scheduled principal and interest due under the respective agreements. Interest on each of 
these issues is payable semi-annually. Debt issuance costs of approximately $6 million (including $2 million related 
to the credit facility) remain and are being amortized to expense over the life of the related debt issue. 

Credit Facility—In November 2007, we extended our bank revolving credit facility (the credit facility) until 
December 9, 2012.  The commitment is $2.1 billion until December 9, 2011 at which time the commitment reduces 
to $1.8 billion. The credit facility (i) provides for credit facility fee rates that range from 5 basis points to 15 basis 
points per year depending upon our credit rating, (ii) makes available short-term loans up to an aggregate amount of 
$300 million and (iii) provides for interest rates that are based upon the Eurodollar rate plus a margin that ranges 
from 20 basis points to 70 basis points depending upon our credit rating and utilization of the credit facility. The 
credit facility requires that our total debt to capitalization ratio (as defined in the credit agreement), expressed as a 
percentage, not exceed 60% at any time. A violation of this covenant could result in a default under the credit 
facility, which would permit the participating banks to restrict our ability to access the credit facility and require the 
immediate repayment of any outstanding advances under the credit facility. As of December 31, 2008, we were in 
full compliance with our debt covenants. The credit facility is with certain commercial lending institutions and is 
available for general corporate purposes. 

78 

 
  
               
                
               
                
               
                
                 
                
                    
          
                  
            
             
                 
                  
            
             
                
                  
 
Certain lenders that are a party to the credit facility have in the past performed investment banking, financial 
advisory, lending or commercial banking services for us, for which they have received customary compensation and 
reimbursement of expenses.  

The credit facility does not restrict the payment of dividends on our common stock, except, if after giving effect 
thereto, an Event of Default shall have occurred and be continuing or been caused thereby. 

Installment Payment Due 2009—During 2007, we purchased working interests in oil and gas properties in the 
Piceance basin of western Colorado for $75 million. After making cash payments of $25 million at closing and $25 
million during 2008, we owe $25 million to the seller. The final $25 million installment is due on May 11, 2009.  
The amount due is included in short-term borrowings in our consolidated balance sheets. Interest on the unpaid 
amount is due quarterly and accrues at a LIBOR rate plus .30%. The interest rate was 4.18% at December 31, 2008. 

Debt Repurchase— During 2008, we repurchased $11 million of our 7¼% Senior Debentures due August 1, 2097, 
recognizing a debt extinguishment gain of $4 million. 

Annual Maturities—Annual maturities of outstanding debt are as follows: 

2009
2010
2011
2012
2013
Thereafter
Total

(in millions)
25
$             
-
-
1,606
-
639
2,270

$        

Short-Term Borrowings—Our credit agreement is supplemented by short-term borrowings under various 
uncommitted credit lines used for working capital purposes. Uncommitted credit lines may be offered by certain 
banks from time to time at rates negotiated at the time of borrowing. Other than the installment payments discussed 
above, no short-term borrowings were outstanding at December 31, 2008 or 2007. 

Note 9—Income Taxes 

Components of income before income taxes are as follows: 

Domestic 
Foreign 
Total 

The income tax provision consists of the following: 

Current taxes
Federal
State
Foreign
Total current 

Deferred taxes
Federal
State
Foreign
Total deferred
Total income tax provision

2008

Year Ended December 31, 
2007
(in millions)
$           
480
888
1,368

$        

1,032
1,029
2,061

$         

$            

2006

402
694
1,096

$     

$     

2008

Year Ended December 31, 
2007
(in millions)

2006

$          

45
1
306
352

6
$               
1
125
132

$              

80
6
138
224

363
4
(8)
359
711

$        

186
6
100
292
424

$           

144
5
45
194
418

$            

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A reconciliation of the federal statutory tax rate to the effective tax rate is as follows: 

2008

Year Ended December 31, 
2007
(amounts in percentages)

2006

Federal statutory rate
Effect of
Earnings of equity method investees
State taxes, net of federal benefit
Difference between US and foreign rates
Nondeductible goodwill
Other, net
Effective rate

Deferred tax assets and liabilities resulted from the following: 

35.0

(2.9)
0.2
1.8
-
0.4
34.5

35.0

(5.4)
0.5
1.6
-
(0.7)
31.0

35.0

(4.2)
1.3
2.2
3.1
0.7
38.1

Deferred tax assets
Loss carryforwards
Ecuador investment
Accrued expenses
Allowance for doubtful accounts
Fair value of derivative instruments
AOCL - pension asset/obligation
Postretirement benefits
Deferred compensation
Foreign tax credits
Other
Total deferred tax assets
Valuation allowance - foreign loss carryforwards
Valuation allowance - foreign tax credits
Valuation allowance - Ecuador investment
Net deferred tax assets
Deferred tax liabilities
Property, plant and equipment, principally due to differences in
   depreciation, amortization, lease impairment and abandonments
Commodity derivative assets
Other
Total deferred tax liability
Net deferred tax liability

December 31, 

2008

2007

(in millions)

$             

36
18
32
20
-
20
31
63
51
27
298
(35)
(51)
(18)
194

$              

21
-
26
4
177
-
10
61
82
14
395
(18)
(57)
-
320

(2,388)
(122)
-
(2,510)
(2,316)

$       

(2,184)
-
11
(2,173)
(1,853)

$        

Net deferred tax liabilities were classified in the consolidated balance sheet as follows: 

December 31, 

2008

2007

(in millions)

Deferred income tax asset
Deferred income tax liability - current
Deferred income tax liability - noncurrent
Net deferred tax liability

$                
-
(142)
(2,174)
(2,316)

$       

$            

131
-
(1,984)
(1,853)

$        

In assessing the realizability of deferred tax assets, we consider whether it is more likely than not that some portion 
or all of the deferred tax assets will not be realized. The ultimate realization of deferred tax assets is dependent upon 
the generation of future taxable income in the appropriate tax jurisdictions during the periods in which those 
temporary differences become deductible. We consider the scheduled reversal of deferred tax liabilities, projected 
future taxable income and tax planning strategies in making this assessment. Based upon the level of historical 

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taxable income and projections for future taxable income over the periods in which the deferred tax assets are 
deductible, we believe it is more likely than not that we will realize the benefits of these deductible differences at 
December 31, 2008. The amount of the deferred tax assets considered realizable could be reduced in the future if 
estimates of future taxable income during the carryforward period are reduced. 

We have recognized deferred tax assets associated with foreign loss carryforwards. The tax effect of these 
carryforwards decreased from $90 million in 2006 to $18 million in 2007 and increased to $35 million in 2008. 
These losses continue to be incurred on our projects in Suriname and other new venture activities which are not 
yet commercial. Therefore, a valuation allowance was provided against the full amount of the deferred tax assets. 
In 2006, we incurred a large taxable loss in the UK from accelerated write-offs allowed on our Dumbarton field 
development. No valuation allowance was provided against this loss carryforward, and it was fully utilized in 2007.  

Starting in 2005, we were able to claim a foreign tax credit for US federal income tax purposes. As of December 31, 
2007, we had recorded a deferred tax asset of $11 million for certain foreign taxes related primarily to 2005. 
Because it was uncertain whether a credit could be claimed for those taxes under limitations imposed by the Internal 
Revenue Code, a valuation allowance of $11 million was provided against the deferred tax asset. However, this 
uncertainty was favorably resolved when we amended our 2005 and 2006 federal income tax returns in 2008. 
Therefore, both the deferred tax asset and the valuation allowance have been eliminated as of December 31, 2008. 
We have also recorded a deferred tax asset of $51 million for the future foreign tax credits associated with deferred 
tax liabilities recorded by foreign branch operations. A valuation allowance of $51 million has been provided against 
this deferred tax asset. Finally, a deferred tax asset of $18 million was recorded in 2008 for the future tax benefit of 
an impairment of a foreign asset. However, this was fully offset by a valuation allowance. 

Our effective tax rate increased in 2008 compared to 2007 primarily due to the fact that pre-tax earnings increased 
by a proportionately greater amount than our excludible permanent differences. In addition, there was a rate increase 
due to (1) a partial shift of taxable income from lower rate jurisdictions such as Equatorial Guinea and Israel to 
higher rate jurisdictions, (2) the recording of US deferred taxes on the anticipated repatriation of foreign earnings as 
described below, and (3) the recording of an impairment of a foreign asset on which the tax benefit was offset by a 
valuation allowance. 

Several factors resulted in a decrease in our effective tax rate for 2007. The major factor was that, in 2006, 
$100 million of goodwill write-off associated with the sale of Gulf of Mexico shelf properties was not deductible, 
which increased the rate for that year. Other factors were an increase in deferred tax assets arising from foreign tax 
credits, a decrease in the Chinese tax rate, and the realization of additional income from equity method investees 
which is a favorable permanent difference in calculating the income tax expense.   

We are currently reviewing the possibility of repatriating a portion of our international undistributed earnings. 
Therefore, as of December 31, 2008, we have recorded additional US deferred income taxes of $9 million on the 
portion of undistributed earnings of our foreign subsidiaries that are likely to be repatriated. Repatriation of 
additional earnings in the future could result in a decrease in our net income and cash flows. As of 
December 31, 2008, the accumulated undistributed earnings of the foreign subsidiaries on which no US taxes have 
been recorded were approximately $1.1 billion. Upon distribution of additional earnings in the form of dividends or 
otherwise, we would likely be subject to US income taxes and foreign withholding taxes. It is not practicable, 
however, to estimate the amount of taxes that may be payable on the eventual remittance of these earnings because 
of the possible application of US foreign tax credits. Although we are currently claiming foreign tax credits, we may 
not be in a credit position when any future remittance of foreign earnings takes place, or the limitations imposed by 
the Internal Revenue Code and IRS Regulations may not allow the credits to be utilized during the applicable 
carryback and carryforward periods. 

During 2007, China’s legislature, the National People’s Congress, enacted the China Corporate Income Tax Law.  
This new legislation decreased our tax rate in China from 33% to 25% starting in 2008.  The deferred tax liability 
for China as of December 31, 2006 was revised during 2007 to reflect the new rate, which decreased deferred tax 
expense by $2 million. 

Adoption of FIN 48 and FSP FIN 48-1—As discussed in Note 2—Significant Accounting Policies, we adopted FIN 
48 and FSP FIN 48-1 as of January 1, 2007. The adoption had no effect on our financial position or results of 
operations. We do not have significant unrecognized tax benefits resulting from differences between positions taken 
in tax returns and amounts recognized in the financial statements as of December 31, 2008. Our policy is to 
recognize any interest and penalties related to unrecognized tax benefits in income tax expense. We did not accrue 
interest or penalties at December 31, 2008, because the jurisdiction in which we have unrecognized tax benefits does 
not currently impose interest on underpayments of tax and we believe that we are below the minimum statutory 
threshold for imposition of penalties. We do not expect that the total amount of unrecognized tax benefits will 
significantly increase or decrease during the next 12 months.  

81 

 
In our major tax jurisdictions, the earliest years remaining open to examination are as follows:  

Tax Jurisdiction

United States
Equatorial Guinea
China
Israel
UK
the Netherlands

Earliest Year
Remaining Open
to Examination

2005
2006
2006
2000
2006
2005

Note 10—Asset Retirement Obligations 

Asset retirement obligations consist of estimated costs of dismantlement, removal, site reclamation and similar 
activities associated with our oil and gas properties. An asset retirement obligation and the related asset 
retirement cost are recorded when an asset is first constructed or purchased. The asset retirement cost is 
determined and discounted to present value using a credit-adjusted risk-free rate. After initial recording the 
liability is increased for the passage of time, with the increase being reflected as accretion expense in the 
statement of operations. Subsequent adjustments in the cost estimate are reflected in the liability and the amounts 
continue to be amortized over the useful life of the related long-lived asset. 

Changes in asset retirement obligations are as follows: 

Year Ended
December 31, 

2008

2007

Asset retirement obligations, beginning of year
Liabilities incurred in current period
Liabilities settled in current period
Revisions
Accretion expense
Asset retirement obligations, end of year

Current portion
Noncurrent portion

$        

$         

(in millions)
144
15
(33)
75
10
211

196
9
(177)
108
8
144

$        

$         

$          

27
184

$           

13
131

For the year ended December 31, 2008, liabilities settled relate primarily to onshore US and Gulf of Mexico assets. 
Revisions include $15 million related to our Main Pass asset held for sale at December 31, 2008. The remaining 
revisions resulted from changes in estimated timing of actual abandonment and overall cost increases for the North 
Sea assets ($18 million), onshore US and Gulf of Mexico assets ($38 million) and Israel and other locations ($4 
million).  

For the year ended December 31, 2007, approximately $125 million of liabilities settled and $64 million of revisions 
related to hurricane damage to the Gulf of Mexico Main Pass assets. The remainder of the liabilities settled and 
revisions resulted primarily from changes in estimated timing of actual abandonment and overall cost increases for 
Gulf of Mexico assets.  

Accretion expense is included in depreciation, depletion and amortization expense in the consolidated statements 
of operations. 

Note 11—Equity Method Investments 

Investments accounted for under the equity method consist primarily of the following: 

•  45% interest in Atlantic Methanol Production Company, LLC (AMPCO), which owns and operates a 

methanol plant and related facilities in Equatorial Guinea; and 

•  28% interest in Alba Plant LLC (Alba Plant), which owns and operates a liquefied petroleum gas processing 

plant in Equatorial Guinea. 

Equity method investments are included in other noncurrent assets in the consolidated balance sheets, and our share 
of earnings is reported as income from equity method investees in the consolidated statements of operations. Our 

82 

 
 
            
               
           
         
            
           
            
               
          
           
 
share of income taxes incurred directly by the equity method investees is reported in income from equity method 
investments and is not included in our income tax provision in our consolidated statements of operations. At 
December 31, 2008, our retained earnings included $114 million related to the undistributed earnings of equity 
method investees. 

The carrying value of our AMPCO investment is $25 million higher than the underlying net assets of the investee.  
$13 million of the difference relates to capitalized interest which is being amortized into earnings over the remaining 
useful life of the plant.  The remaining $12 million relates to a note receivable from our funding a portion of the 
local government’s share of the plant’s development.  The note receivable is being recovered through distributions 
from AMPCO. 

Equity method investments are as follows: 

December 31,

2008

2007

(in millions)

Equity method investments
AMPCO
Alba Plant
Other
Total equity method investments

$          

$          

190
106
15
311

$          

200
142
15

            357   

Summarized, 100% combined financial information for equity method investees is as follows: 

Balance sheet information
Current assets
Noncurrent assets
Current liabilities
Noncurrent liabilities

Statements of operations information
Operating revenues
Less cost of goods sold
Gross margin
Less other expense
Less income tax expense (1)
Net income

December 31,

2008

2007

(in millions)

$          

283
783
248
43

$          

408
814
273
31

2008

Year Ended December 31, 
2007
(in millions)

2006

$     

$          

$          

1,022
250
772
37
183
552

934
220
714
36
44
634

702
202
500
48
23
429

$        

$          

$          

(1)  

  The increase in income tax expense in 2008 is due to the expiration of the Alba Plant tax holiday. 

Note 12 – Benefit Plans 

Pension Plan and Other Postretirement Benefit Plans—We have a noncontributory, tax-qualified defined benefit 
pension plan covering employees who were hired prior to May 1, 2006.  The benefits are based on an employee’s 
years of service and average earnings for the 60 consecutive calendar months of highest compensation. Our funding 
policy has been to make annual contributions equal to at least the minimum required contribution, but no greater 
than the maximum deductible for federal income tax purposes. We also have an unfunded, nonqualified restoration 
plan that provides the pension plan formula benefits that cannot be provided by the qualified pension plan because 
of pay deferrals and the compensation and benefit limitations imposed on the pension plan by the Internal Revenue 
Code of 1986, as amended. We sponsor other plans for the benefit of our employees and retirees, which include 
medical and life insurance benefits. We use a December 31 measurement date for the plans. 

Former Patina employees began participation in the pension plan and the restoration plan on January 1, 2006, with 
vesting service from their original Patina hire date and credited service for benefit accruals starting January 1, 2006. 

83 

 
            
            
              
              
            
            
            
            
              
              
          
            
            
          
            
            
            
              
              
          
              
              
 
 
Additionally,  all  former  Patina  employees  were  covered  under  the  medical  and  life  insurance  plans  effective 
January 1, 2006. 

On December 31, 2006, we adopted SFAS 158, which required us to recognize the funded status (the difference 
between the fair value of plan assets and the benefit obligation) of our defined benefit pension, restoration and other 
postretirement benefit plans in the consolidated balance sheet, with a corresponding adjustment to AOCL, net of tax. 
The adjustment to AOCL at adoption represented the unrecognized net actuarial loss, unrecognized prior service 
cost, and unrecognized net transition obligation remaining from the initial adoption of SFAS No. 87, “Employers’ 
Accounting for Pensions” and SFAS No. 106, “Employers’ Accounting for Post-Retirement Benefits Other Than 
Pensions”. These amounts are currently being recognized as net periodic benefit cost pursuant to our historical 
accounting policy for amortizing such amounts. Further, actuarial gains and losses that arise in periods subsequent to 
adoption and are not recognized as net periodic benefit cost in the same periods are recognized as a component of 
AOCL. The adoption of SFAS 158 had no effect on our consolidated statements of operations for the year ended 
December 31, 2006, for any prior period presented, or for any periods subsequent to adoption.  

Changes in the benefit obligation and plan assets of the pension, restoration and other postretirement benefit plans 
are as follows at December 31: 

Change in benefit obligation
Benefit obligation at beginning of year
Service cost
Interest cost
Amendments
Benefits paid
Actuarial (gain) loss
Benefit obligation at end of year
Change in plan assets
Fair value of plan assets at beginning of year
Actual return on plan assets
Employer contributions
Benefits paid
Fair value of plan assets at end of year
Funded status
Funded status at end of year
Net amount recognized in consolidated
balance sheets (after adoption of FAS 158)
Amounts recognized in consolidated
balance sheets consist of:
Current liabilities
Noncurrent liabilities
Net amount recognized in consolidated
balance sheets (after adoption of FAS 158)
Amounts not yet reflected in net periodic
benefit cost and included in AOCL
Transition obligation
Prior service (cost) credit
Accumulated loss
AOCL
Cumulative employer contributions in excess
of net periodic benefit cost
Net amount recognized in consolidated
balance sheet (after adoption of FAS 158)

Retirement and
Restoration Plans
2008
2007
(in millions) 

2008

Medical and
Life Plans

$   

188
12
12
-
(17)
(1)
194

$   

175
12
10
8
(6)
(11)
188

2007

$    

22
2
1
-
(1)
(2)
22

-
-
1
(1)
-

$    

22
2
1
-
(1)
(2)
22

-
-
1
(1)
-

(22)

(22)

(22)

(22)

(1)
(21)

(1)
(21)

(22)

(22)

-
5
(10)
(5)

-
6
(14)
(8)

137
13
11
(6)
155

(33)

(33)

(3)
(30)

(33)

(1)
(3)
(34)
(38)

155
(43)
37
(17)
132

(62)

(62)

(2)
(60)

(62)

-
(3)
(86)
(89)

27

5

(17)

(14)

$    

(62)

(33)

$  

(22)

(22)

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Net periodic benefit cost recognized for the pension, restoration and other postretirement benefit plans is provided in 
the table below: 

Retirement and
Restoration Plans

Year Ended December 31,
2006

2007

2008

Medical and
Life Plans
Year Ended December 31,
2007
2008

2006

(in millions) 

Components of net periodic benefit cost
Service cost
Interest cost
Expected return on plan assets
Amortization of prior  service (credit) cost
Amortization of net loss
Net periodic benefit cost
Other changes recognized in AOCL
Prior service cost arising during period
Net loss (gain) arising during period
Amortization of prior service credit
Amortization of net loss
Total recognized in  AOCL
Expected amortizations for next fiscal year
Amortization of prior service cost (credit)
Amortization of net loss

$      

$       

$      

12
12
(12)
-
2
14

12
10
(11)
-
3
14

$      

$       

$      

12
9
(9)
-
3
15

2
$            
1
-
(1)
1
$            
3

2
$           
1
-
(1)
1
$           
3

2
$       
1
-
-
1
$       
4

$         
-
53
-
(2)
51

$      

$         
8
(13)
-
(3)
(8)

$        

*
*
*
*
*

$             
-
(3)
1
(1)
(3)

$           

$            
-
(3)
1
(1)
(3)

$          

*
*
*
*
*

-
$         
2

-
$          
2

$       

(1)
3

$           

(1)
1

$          

(1)
1

$      

(1)
1

Weighted-average assumptions used
to determine benefit obligations
Discount rate (1)
Rate of compensation increase

Weighted-average assumptions used
to determine net periodic benefit costs
Discount rate (2)
Expected long-term rate of 

return on plan assets

Rate of compensation increase

6.00% / 6.25%

5.00%

6.50%
5.00%

5.75%
5.00%

6.25%
-

6.25%

-

5.75%
-

6.50%

5.75%

5.50% / 6.25%

6.25%

5.75%

5.50% / 6.25%

8.25%
5.00%

8.25%
5.00%

8.25%
5.00%

-
-

-
-

-
-

*  Not applicable due to change in method of accounting for defined benefit and other post retirement plans. 
(1)  The discount rate was 6.00% for the retirement plan and 6.25% for the restoration plan at December 31, 2008. 
(2)  The net periodic benefit cost was remeasured at May 1, 2006 using a discount rate of 6.25%, due to changes in 

plan provisions. 

Additional disclosures are as follows: 

Retirement and
Restoration Plans
2008
2007

Accumulated benefit obligation

Information for pension plans with projected
benefit obligations in excess of plan assets
Projected benefit obligation
Fair value of plan assets

Information for pension plans with accumulated
benefit obligations in excess of plan assets
Accumulated benefit obligation
Fair value of plan assets

(in millions)
$  
169

163

$   

194
132

169
132

188
155

25
-

In selecting the assumption for expected long-term rate of return on assets, we consider the average rate of earnings 
expected on the funds to be invested to provide for plan benefits. This includes considering the plan’s asset 

85 

 
        
         
          
              
             
         
       
        
         
               
              
          
           
            
           
             
            
          
          
           
          
              
             
         
        
        
             
            
           
            
              
             
         
          
             
            
          
           
          
              
             
         
             
                
            
                 
                
            
                 
                
            
 
     
    
     
    
     
      
     
        
 
 
allocation, historical returns on these types of assets, the current economic environment and the expected returns 
likely to be earned over the life of the plan. We assume the long-term asset mix will be consistent with a target asset 
allocation of 70% equity and 30% fixed income, with a range of plus or minus 10% acceptable degree of variation in 
the plan’s asset allocation. Based on these factors we assumed an average of 8.25% per annum over the life of the 
plan for the calculation of 2008 net periodic benefit cost. The assumption will be reduced to 8.00% for the 
calculation of 2009 net periodic benefit cost. No plan assets are expected to be returned to us during 2009. 

In order to determine an appropriate discount rate at December 31, 2008, we performed an analysis of the Citigroup 
Pension Discount Curve (the CPDC) as of that date for each of our plans. The CPDC uses spot rates that represent 
the equivalent yield on high quality, zero coupon bonds for specific maturities. We used these rates to develop an 
equivalent single discount rate based on our plans’ expected future benefit payment streams and duration of plan 
liabilities. A 1% increase in the discount rate would have resulted in a decrease in net periodic benefit cost of 
approximately $2 million in 2008. A 1% decrease in the discount rate would have resulted in an increase in net 
periodic benefit cost of approximately $2 million in 2008. 

Assumed health care cost trend rates were as follows at December 31: 

Health care cost trend rate assumed for next year
Rate to which the cost trend rate is assumed to decline (ultimate trend rate)
Year rate reaches ultimate trend rate

2008
8%
5%
2012

2007
9%
5%
2012

Assumed health care cost trend rates have a significant effect on the amounts reported for health care plans. A one-
percentage-point change in assumed health care cost trend rates would have the following effects: 

Effect on total service and interest cost components for 2008
Effect on year-end 2008 postretirement benefit obligation

1% Increase

1% Decrease

(in millions)

$                   
-
2

-
$                  
(2)

Weighted-average asset allocations for the tax-qualified defined benefit pension plan are as follows: 

Asset Category
Equity securities
Fixed income
Total

Target
Allocation
2009

70%
30%
100%

Plan Assets

2008

65%
35%
100%

2007

70%
30%
100%

The investment policy for the tax-qualified defined benefit pension plan is determined by an employee benefits 
committee (the committee) with input from a third-party investment consultant. Based on a review of historical rates 
of return achieved by equity and fixed income investments in various combinations over multi-year holding periods 
and an evaluation of the probabilities of achieving acceptable real rates of return, the committee has determined the 
target asset allocation deemed most appropriate to meet the immediate and future benefit payment requirements for 
the plan and to provide a diversification strategy which reduces market and interest rate risk. A 1% increase 
(decrease) in the expected return on plan assets would have resulted in a (decrease) increase, respectively, in net 
periodic benefit cost of approximately $2 million in 2008. 

We base our determination of the asset return component of pension expense on a market-related valuation of 
assets, which reduces year-to-year volatility. This market-related valuation recognizes investment gains or losses 
over a five-year period from the year in which they occur. Investment gains or losses for this purpose are the 
difference between the expected return calculated using the market-related value of assets and the actual return 
based on the fair value of assets. Since the market-related value of assets recognizes gains or losses over a five-
year period, the future value of assets will be impacted as previously deferred gains or losses are recorded. As of 
January 1, 2008, we had cumulative asset gains of approximately $3 million, which remain to be recognized in the 
calculation of the market-related value of assets.  

Contributions—As a result of previous contributions made to the pension plan, there are no required contributions 
expected during 2009. During January 2009, we made a voluntary contribution of $1 million to the pension plan. We 
may make additional contributions to our pension plan during the year. We expect to make cash contributions of 
approximately $2 million to the unfunded restoration plan and $1 million to the medical and life plans during 2009. 

86 

 
 
                    
                  
 
 
 
 
The amounts expected to be contributed to the unfunded restoration and medical and life plans equal expected 
benefit payments from those plans. (unaudited). 

Estimated Future Benefit Payments—As of December 31, 2008, the following future benefit payments are expected 
to be paid: 

2009
2010
2011
2012
2013
Years 2014 to 2018

Retirement and
Restoration Plans

(in millions)

Medical and
 Life Plans

 $            18 
               13 
               16 
               17 
               16 
               99 

1
$           
2
2
2
2
14

The  estimate  of  expected  future  benefit  payments  is  based  on  the  same  assumptions  used  to  measure  the  benefit 
obligation at December 31, 2008 and includes estimated future employee service. 

401(k) Plan—We  sponsor  a  401(k) savings  plan.  All  regular  employees  are  eligible  to  participate.  We  make 
contributions to match employee contributions up to the first 6% of compensation deferred into the plan, and certain 
profit  sharing contributions for  employees  hired  on  or  after  May  1,  2006,  based upon their  ages  and salaries. We 
made cash contributions of $7 million in 2008, $6 million in 2007, and $4 million in 2006. 

Deferred Compensation Plans—In connection with the Patina Merger, we acquired the assets and assumed the 
liabilities related to a Patina shareholder-approved non-qualified deferred compensation plan. This plan was 
available to officers and certain managers of Patina and allowed participants to defer all or a portion of their salary 
and annual bonuses (either in cash or common stock). Participant-directed investments are held in a rabbi trust and 
are available to satisfy the claims of our creditors in the event of bankruptcy or insolvency. Participants may elect to 
receive distributions in either cash or shares of our common stock. We account for the deferred compensation plan 
in accordance with EITF 97-14, “Accounting for Deferred Compensation Arrangements Where Amounts Earned are 
Held in a Rabbi Trust and Invested” (EITF 97-14). Components of the rabbi trust are as follows: 

Rabbi trust assets
Mutual fund investments
Noble Energy common stock (at market value) (1)
Total rabbi trust assets

Liability under Patina deferred compensation plan
Number of shares of Noble Energy common stock held by rabbi trust

December 31,

2008

2007

(in millions, except share amounts)

$             

71
52
123

$           
123
   1,051,032 

$          

107
87
194

$           
194
    1,101,032 

(1)  Shares of Noble Energy common stock are accounted for as treasury stock and recorded at cost in the 

consolidated balance sheets. 

Assets of the rabbi trust, other than our common stock, are invested in certain mutual funds that cover an investment 
spectrum ranging from equities to money market instruments. These mutual funds have published market prices and 
are reported at market value. We account for these investments in accordance with SFAS No. 115, “Accounting for 
Certain Investments in Debt and Equity Securities.” The mutual funds are included in the mutual funds account in 
other noncurrent assets in the consolidated balance sheets.  

Shares of our common stock held by the rabbi trust are accounted for as treasury stock (recorded at cost) in the 
shareholders’ equity section of the consolidated balance sheets. The amounts payable to the plan participants are 
included in other noncurrent liabilities in the consolidated balance sheets and include the market value of the shares 
of our common stock. Approximately one million shares, or 95%, of our common stock held in the plan at 
December 31, 2008 were attributable to a member of our Board of Directors. Plan participants sold 50,000 shares of 
common stock during 2008, no shares during 2007, and 1,067,948 shares during 2006. Proceeds were invested in 
mutual funds. Distributions to plan participants totaled $1 million in 2008, $2 million in 2007, and $0.5 million in 
2006. 

87 

 
             
             
             
             
           
 
               
               
             
             
 
In accordance with EITF 97-14, all fluctuations in market value of the deferred compensation liability have been 
reflected in other expense, net in the consolidated statements of operations. We recognized deferred compensation 
income of $32 million in 2008 and deferred compensation expense of $33 million in 2007 and $16 million in 2006. 

We also maintain an unfunded deferred compensation plan for the benefit of certain of our employees. A deferred 
compensation liability of $36 million was outstanding at December 31, 2008 under the unfunded plan.  

Note 13 – Stock-Based Compensation 

As discussed in Note 2—Summary of Significant Accounting Policies, effective January 1, 2006, we adopted the 
fair value recognition provisions for stock-based awards granted to employees. SFAS 123(R) requires companies to 
recognize in the statement of operations the grant-date fair value of stock options and other stock-based 
compensation issued to employees. We recognize the expense of all stock-based awards on a straight-line basis over 
the employee’s requisite service period (generally the vesting period of the award). 

We recognized total stock-based compensation expense as follows: 

2008

Year Ended December 31,
2007
(in millions) 

2006

Stock-based compensation expense included in
General and administrative expense 
Exploration expense and other
Total stock-based compensation expense

$          

$       

$          

$       

38
1
39

25
2
27

$     

$     

11
1
12

Tax benefit recognized

$         

(15)

$     

(10)

$      

(4)

Stock Option and Restricted Stock Plans and Incentive Plan—Our stock option and restricted stock plans and 
incentive plan are described below. 

1992 Stock Option and Restricted Stock Plan 

Under the Noble Energy, Inc. 1992 Stock Option and Restricted Stock Plan, as amended (the 1992 Plan), the 
Compensation, Benefits and Stock Option Committee of the Board of Directors (the Committee) may grant stock 
options and award restricted stock to our officers or other employees and those of our subsidiaries. During 2007, our 
stockholders approved an amendment to the 1992 Plan that increased the maximum number of shares of our 
common stock that may be issued from 18,500,000 to 22,000,000 shares. At December 31, 2008, 10,469,623 shares 
of common stock were reserved for issuance, including 4,698,788 shares available for future grants and awards, 
under the 1992 Plan. 

1992 Plan Stock Options—Stock options are issued with an exercise price equal to the market price of our common 
stock on the date of grant, and are subject to such other terms and conditions as may be determined by the 
Committee. Unless granted by the Committee for a shorter term, the options expire ten years from the grant date. 
Option grants generally vest ratably over a three-year period. 

1992 Plan Restricted Stock—Restricted stock awards made under the 1992 Plan are subject to such restrictions, 
terms and conditions, including forfeitures, if any, as may be determined by the Committee. Restricted stock awards 
generally vest over three years. 

2004 Long-Term Incentive Plan 

Under the Noble Energy, Inc. 2004 Long-Term Incentive Plan (the 2004 LTIP), the Committee may make 
incentive awards to our key employees and those of our subsidiaries. Incentive compensation is based upon the 
attainment of specific market and performance goals established by the Committee. Awards may be in the form 
of stock options or restricted stock or in the form of performance units or other incentive measurements 
providing for the payment of bonuses in cash, or in any combination thereof, as determined by the Committee in its 
discretion. Stock options granted and restricted stock awarded under the 2004 LTIP are granted and awarded 
pursuant to the terms of the 1992 Plan. These awards are accounted for in accordance with the provisions of SFAS 
123(R) which provides for the grant-date fair value of the awards to be recognized in the statement of operations 
over the service period. Our cash based performance units are accounted for under SFAS No. 5, “Accounting for 
Contingencies” and are excluded from the provisions of SFAS 123(R). 

88 

 
 
              
           
         
 
 
2005 Stock Plan for Non-Employee Directors 

The 2005 Stock Plan for Non-Employee Directors of Noble Energy, Inc. (the 2005 Plan) provides for grants of stock 
options and awards of restricted stock to our non-employee directors. The 2005 Plan superseded and replaced the 
1988 Nonqualified Stock Option Plan for Non-Employee Directors. The total number of shares of common stock 
that may be issued under the 2005 Plan is 800,000. At December 31, 2008, 739,204 shares of common stock were 
reserved for issuance, including 620,675 shares available for future grants and awards under the 2005 Plan. 

2005 Plan Stock Options—The 2005 Plan provides for the granting to a non-employee director of up to a maximum 
of 11,200 stock options on the date of election to the Board of Directors, annual grants of 2,800 options per non-
employee director on February 1 of each year, and discretionary grants by the Board of Directors (with the February 
1 annual and the discretionary grants made to a non-employee director during any calendar year being limited to a 
combined maximum of 11,200 options). Options are issued with an exercise price equal to the market price of our 
common stock on the date of grant and may be exercised one year after the date of grant. The options expire ten 
years from the date of grant. 

2005 Plan Restricted Stock—The 2005 Plan also provides for the awarding to a non-employee director of up to a 
maximum of 4,800 shares of restricted stock on the date of election to the Board of Directors, annual awards of 
1,200 shares of restricted stock per non-employee director on February 1 of each year, and discretionary awards by 
the Board of Directors (with the February 1 annual and the discretionary awards made to a non-employee director 
during any calendar year being limited to a combined maximum of 4,800 shares of restricted stock). Restricted stock 
is restricted for a period of at least one year from the date of award. 

1988 Nonqualified Stock Option Plan for Non-Employee Directors 

The 1988 Nonqualified Stock Option Plan for Non-Employee Directors of Noble Energy, Inc., as amended, (the 
1988 Plan) provided for the issuance of stock options to our non-employee directors. Options issued under the 1988 
Plan may be exercised one year after grant and expire ten years from the grant date. The 1988 Plan provided for the 
granting of a fixed number of stock options to each non-employee director annually (10,000 stock options for the 
first calendar year of service and 5,000 stock options for each year thereafter) on February 1 of each year. The 1988 
Plan was terminated in 2005, and no additional options can be granted thereunder. 

Patina Stock Option Plans 

Patina maintained a shareholder approved stock option plan for employees (the Patina Employee Plan) that provided 
for the issuance of options at prices not less than fair market value at the date of grant. Patina also maintained a 
shareholder approved stock grant and option plan for non-employee directors (the Patina Directors’ Plan). The 
Patina Directors’ Plan provided for stock options to be granted to each non-employee director upon appointment and 
upon annual re-election thereafter. Upon completion of the Patina Merger, all unvested stock options outstanding 
under the Patina Employee Plan and the Patina Directors’ Plan became fully vested, and all outstanding options 
were converted into options to purchase our common stock. The Patina options expire five years from the date of 
grant. 

Stock Option Grants—The fair value of each stock option granted was estimated on the date of grant using a Black-
Scholes-Merton option valuation model that used the assumptions described below: 

•  Expected term - The expected term represents the period of time that options granted are expected to be 
outstanding, which is the grant date to the date of expected exercise or other expected settlement for 
options granted. The hypothetical midpoint scenario we use considers our actual exercise and post-vesting 
cancellation history and expectations for future periods, which assumes that all vested, outstanding options 
are settled halfway between their vesting date and their expiration date.  

•  Expected volatility - The expected volatility represents the extent to which our stock price is expected to 

fluctuate between the grant date and the expected term of the award. We use the historical volatility of our 
common stock for a period equal to the expected term of the option prior to the date of grant. We believe 
that historical volatility produces an estimate that is representative of our expectations about the future 
volatility of our common stock over the expected term. 

•  Risk-free rate - The risk-free rate is the implied yield available on US Treasury securities with a remaining 

term equal to the expected term of the option. We base our risk-free rate on a weighting of five and seven 
year US Treasury securities as of the date of grant to arrive at an approximated 5.5-year risk free rate of 
return.  

•  Dividend yield - The dividend yield represents the value of our stock’s annualized dividend as compared to 
our stock’s average price for the three-year period ended prior to the date of grant. It is calculated by 
dividing one full year of our expected dividends by our average stock price over the three-year period 
ended prior to the date of grant.  

89 

 
The assumptions used in valuing stock options were as follows:  

2008

Year Ended December 31,
2007
(weighted averages)

2006

Expected term (in years)
Expected volatility 
Risk-free rate
Expected dividend yield

Stock option activity was as follows: 

Outstanding at December 31, 2007
Granted
Exercised
Forfeited
Outstanding at December 31, 2008
Exercisable at December 31, 2008

5.5
27.7%
2.9%
1.0%

5.5
29.6%
4.7%
0.6%

5.5
31.8%
4.7%
0.8%  

Weighted
Average
Exercise
Price
(per share)
$       
32.98
73.14
24.31
61.22
41.41
29.80

$       
$       

Options

6,175,061
1,139,758
(1,080,116)
(152,328)
6,082,375
3,927,682

Weighted
Average
Remaining 
Contractual
Term
(in years)

Aggregate
Intrinsic
Value
(in millions)

5.6
3.9

$                  
$                  

80
79

The weighted-average grant-date fair value of options granted was $20.40 in 2008, $18.77 in 2007, and $16.09 in 
2006. The total intrinsic value of options exercised was $67 million in 2008, $68 million in 2007, and $118 million 
in 2006. 

As  of  December 31,  2008,  $24 million  of  compensation  cost  related  to  unvested  stock  options  granted  under  the 
Plans remained to be recognized. The cost is expected to be recognized over a weighted-average period of 1.3 years. 
We issue new shares of common stock to settle option exercises. Dividends are not paid on unexercised options. 

Restricted Stock Awards—Restricted stock activity was as follows: 

Outstanding at December 31, 2007
Granted
Vested
Forfeited
Outstanding at December 31, 2008

Shares
Subject to
Service
Conditions

567,590
462,917
(80,347)
(59,133)
891,027

Weighted
Shares
Weighted
Average
Subject to
Average
Grant Date
Market
Grant Date
Fair Value Conditions Fair Value
(per share)
(per share)
33.11
52.33
$      
$        
-
73.92
29.87
52.46
45.94
61.78
35.40
62.91

124,137
-
(54,199)
(1,445)
68,493

$        

$      

The total fair value of restricted stock that vested was $10 million in 2008, $6 million in 2007, and $2 million in 
2006.  

Awards of time-vested restricted stock (shares subject to service conditions) were valued at the price of our common 
stock at the date of award. 

In 2006, we awarded restricted stock with market-based vesting criteria. The fair value of the market-based 
restricted stock awards was estimated on the date of award using a Monte Carlo valuation model that used the 
assumptions in the following table. The Monte Carlo model is based on random projections of stock price paths and 
must be repeated numerous times to achieve a probabilistic assessment. Expected volatility represents the extent to 
which our stock price is expected to fluctuate between the award date and the award’s anticipated term. We used the 
historical volatility of our common stock for the three-year period ended prior to the date of award. The risk-free 
rate was based on a three-year period from US Treasury securities as of the year ended prior to the date of award.   

90 

 
                 
               
               
 
         
         
         
       
         
          
         
         
         
 
               
     
               
          
                 
                
                
          
      
        
                
          
        
        
               
       
 
 
The assumptions used in valuing the market-based restricted stock awards were as follows: 

Number of simulations 
Expected volatility 
Risk-free rate 

Year Ended
December 31,
2006

100,000
28.4%
4.4%  

As of December 31, 2008, $30 million of compensation cost related to all of our unvested restricted stock awarded 
under the Plans remained to be recognized. The cost is expected to be recognized over a weighted-average period of 
1.8 years. Common stock dividends accrue on restricted stock grants and are paid upon vesting. We issue new shares 
of common stock when awarding restricted stock. 

Note 14 – Earnings Per Share 

Basic earnings per share of common stock is computed using the weighted average number of shares of common 
stock outstanding during each period. The diluted earnings per share of common stock may include the effect of 
Noble Energy shares held in a rabbi trust, outstanding stock options or shares of restricted stock, except in periods in 
which there is a net loss. The following table summarizes the calculation of basic and diluted earnings per share: 

Net income
Basic Earnings per Share

Net income
Effect of dilutive stock options 
   and restricted stock awards 
Effect of shares of Noble Energy
   common stock held in rabbi trust
Net income available to
common shareholders

Diluted Earnings per Share (1)

2008

Year Ended December 31,
2007

2006

Income

Shares

Income

Shares

Income

Shares

(in millions, except share and per share amounts)

$     
1,350
 $      7.83 

173

$        
$       

944
5.52

171

$       
$      

678
3.86

176

$     

1,350

173

$        

944

171

$       

678

176

-

(20)

2

1

-

-

2

-

-

-

$     
$       

1,330
7.58

176

$        
$       

944
5.45

173

$       
$      

678
3.79

3

-

179

(1)  The diluted earnings per share calculation for 2008 includes a decrease to net income of $20 million (net of tax) 
related to a deferred compensation gain from Noble Energy shares held in a rabbi trust. When dilutive, the 
deferred compensation gain or loss (net of tax) is excluded from net income while the Noble Energy shares held 
in the rabbi trust are included in the diluted share count. 

91 

 
 
         
          
          
          
          
          
          
              
              
               
              
              
              
          
              
               
               
              
               
          
          
          
 
Options, restricted stock and shares of our common stock held in a rabbi trust excluded from the EPS calculation 
above as they were antidilutive are as follows: 

Weighted Outstanding
Awards and Shares

Weighted Average
Exercise Price

(in millions, except per share amounts)

Year Ended December 31, 2008
Stock options
Total excluded from diluted EPS calculation
Year Ended December 31, 2007
Stock options
Noble Energy common stock held

in rabbi trust and shares of restricted stock
Total excluded from diluted EPS calculation
Year Ended December 31, 2006
Stock options
Noble Energy common stock held

in rabbi trust and shares of restricted stock
Total excluded from diluted EPS calculation

Note 15 – Segment Information 

$     

67.64

$     

52.41

$     

45.19

1
1

1

1
2

1

1
2

We  have  operations  throughout  the  world  and  manage  our  operations  by  country.  The  following  information  is 
grouped  into  five  components  that  are  all  primarily  in  the  business  of  crude  oil  and  natural  gas  exploration  and 
production: the United States; West Africa; the North Sea; Israel; and Other International, Corporate and Marketing. 
Other International includes Argentina (through February 2008), China, Ecuador and Suriname. 

Accounting policies for geographical segments are the same as those described in the summary of significant 
accounting policies. Transfers between segments are accounted for at market value. We do not consider interest 
income and expense or income tax benefit or expense in our evaluation of the performance of geographical 
segments. 

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Year Ended December 31, 2008
Revenues from third parties 
Amount reclassified from AOCL (1)
Intersegment revenue 
Income from equity method investees
Total Revenues 

DD&A 
Loss on involuntary conversion of assets
Impairment of assets
Gain on derivative instruments
Income (loss) before income taxes

Equity method investments
Additions to long-lived assets
Total assets at December 31, 2008 (2)

Year Ended December 31, 2007
Revenues from third parties 
Amount reclassified from AOCL (1)
Intersegment revenue 
Income from equity method investees
Total Revenues 

DD&A 
Loss on involuntary conversion of assets
Impairment of assets
Gain on derivative instruments
Income (loss) before income taxes

Equity method investments
Additions to long-lived assets
Total assets at December 31, 2007 (2)

Year Ended December 31, 2006
Revenues from third parties 
Amount reclassified from AOCL (1)
Intersegment revenue 
Income from equity method investees
Total Revenues 

DD&A 
Impairment of assets
Loss on derivative instruments
Income (loss) before income taxes

Equity method investments
Additions to long-lived assets
Total assets at December 31, 2006 (2)

Total

United
States

West
Africa

North
Sea
(in millions)

Other Int'l,
Corporate &
Israel Marketing

$    

4,058
(331)
-
174
3,901

$    

2,315
(290)
434
-
2,459

$     

541
(41)
-
174
674

$   

410
-
-
-
410

$   

791
9
294
(440)
2,061

311
2,179
12,384

646
9
224
(363)
1,333

-
1,842
9,212

34
-
-
(77)
689

311
143
1,614

55
-
-
-
284

-
94
775

$    

3,115
(54)
-
211
3,272

$    

1,651
(42)
343
-
1,952

$     

418
(12)
-
211
617

$   

364
-
-
-
364

$   

736
51
4
(2)
1,368

357
1,623
10,831

580
51
4
(2)
810

-
1,285
7,918

25
-
-
-
517

357
151
1,355

81
-
-
-
221

-
83
562

157
-
-
-
157

24
-
-
-
122

-
39
366

113
-
-
-
113

18
-
-
-
86

-
26
268

$    

3,033
(232)
-
139
2,940

$    

1,743
(232)
426
-
1,937

$     

414
-
-
139
553

$   

115
-
-
-
115

$     

633
9
392
1,096

373
1,895
9,589

552
9
392
631

-
1,456
7,225

24
-
-
494

373
46
961

9
-
-
73

-
336
343

92
-
-
-
92

14
-
-
71

-
15
257

$            

635
-
(434)
-
201

32
-
70
-
(367)

-
61
417

$            

569
-
(343)
-
226

32
-
-
-
(266)

-
78
728

$            

669
-
(426)
-
243

34
-
-
(173)

-
42
803

(1)  Revenues include decreases resulting from hedging activities. The decreases resulted from hedge gains and 
losses that were deferred in AOCL, as a result of previous cash flow hedge accounting, and subsequently 
reclassified to revenues. 

(2)  The US reporting unit includes goodwill of $759 million at December 31, 2008, $761 million at December 31, 

2007, and $781 million at December 31, 2006. 

93 

 
        
        
        
          
           
                   
            
        
          
        
          
             
        
            
      
        
          
                   
     
     
      
    
    
              
 
        
        
        
      
      
                
            
            
          
        
          
                   
        
        
          
        
          
                
      
      
      
        
          
                   
     
     
      
    
    
             
 
        
            
      
        
          
                   
       
       
        
        
        
                
     
       
     
      
      
              
          
          
        
          
           
                   
            
        
          
        
          
             
        
            
      
        
          
                   
     
     
      
    
    
              
 
        
        
        
      
      
                
          
          
          
        
          
                   
            
            
          
        
          
                   
          
          
          
        
          
                   
     
        
      
    
      
             
 
        
            
      
        
          
                   
     
     
      
      
      
                
     
       
     
      
      
              
        
        
            
          
           
                   
            
        
          
        
          
             
        
            
      
        
          
                   
     
     
      
    
      
              
 
        
        
        
        
      
                
            
            
          
        
          
                   
        
        
          
        
          
                   
     
        
      
      
      
             
 
        
            
      
        
          
                   
     
     
        
    
      
                
       
       
        
      
      
              
 
Note 16 – Additional Shareholders’ Equity Information 

Activity in shares of our common stock and treasury stock was as follows: 

Common stock shares issued
Shares, beginning of period 
Exercise of common stock options 
Restricted stock awards, net of forfeitures 
Shares, end of period 
Treasury stock
Shares, beginning of period
Shares received from employees in payment of withholding

taxes due on vesting of shares of restricted stock
Shares purchased pursuant to share buyback program
Shares, end of period 

Year Ended December 31, 
2008
2007

190,814,309
1,080,116
402,339
192,296,764

188,808,087
1,479,040
527,182
190,814,309

18,580,865

16,574,384

32,544
-
18,613,409

-
2,006,481
18,580,865

During 2007, we completed a $500 million common stock repurchase program begun in 2006. 

Accumulated other comprehensive loss in the shareholders’ equity section of the balance sheet included: 

December 31, 2005
Cash flow hedges
  Realized amounts reclassified into earnings
  Unrealized change in fair value
  Unrealized amounts reclassified into earnings
Net change in minimum pension liability and other
Adoption of SFAS 158
December 31, 2006
Cash flow hedges
  Realized amounts reclassified into earnings
  Unrealized change in fair value
Net change in  other
December 31, 2007
Cash flow hedges
  Realized amounts reclassified into earnings
  Unrealized change in fair value
Net change in  other
December 31, 2008

Accumulated Other Comprehensive Loss

Oil and Gas 
Cash Flow 
Hedges

$       (764)

Pension-Related 
and Other
(in millions) 
$     (20)

Total

$     

(784)

145
250
265
-
-
(104)

33
(184)
              -   
(255)

207
-
                - 
$          
(48)

          1 
         -   
         -   
        16 
       (33)
(36)

          3 
         (1)
          5 
(29)

3
         (4)
       (32)
$     
(62)

146
250
265
16
(33)
(140)

36
(185)
5
(284)

210
(4)
(32)
(110)

$     

All amounts in the table above are reported net of tax. The effective income tax rate applied to AOCL increased 
from 35% at December 31, 2005 to 37.6% at December 31, 2006 and remained 37.6% at December 31, 2007 and 
2008. 

Note 17 – Commitments and Contingencies 

Purchaser Bankruptcy – We have an exposure from crude oil sales for the months of June and July 2008 to 
SemCrude, L.P. (SemCrude), a subsidiary of SemGroup, L.P. (SemGroup).  On July 22, 2008, SemGroup, including 
SemCrude, filed a voluntary petition for reorganization under Chapter 11 of the Bankruptcy Code under Case 
Number 08-11525 (BLS) in the United States Bankruptcy Court for the District of Delaware. 

As of December 31, 2008, we had a receivable of approximately $71 million from SemCrude. We have determined 
that it is probable that a portion of the receivable is uncollectible. Therefore, during third quarter 2008, we reduced 
the carrying value of the SemCrude receivable and recognized a pre-tax charge of $38 million for the probable loss. 

94 

 
      
      
          
          
             
             
      
      
                        
                         
          
 
           
        
           
        
           
        
                
          
                
         
          
       
       
             
          
          
       
            
          
       
       
           
           
        
                
           
         
 
We are pursuing various legal remedies to protect our interests. We believe that ultimate disposition of this matter 
will not have a material adverse affect on our financial position, results of operations, or cash flows. 

Legal Proceedings – We are among a group of 18 defendants named in a lawsuit filed August 23, 2002 by Dore 
Energy Corporation under Docket Number 10-16202 in the 38th Judicial District Court, Cameron Parish, 
Louisiana.  The lawsuit alleges damage to property owned by Dore resulting from oil and gas activities dating to the 
1930’s.  Our predecessor, Samedan Oil Corporation, operated on a portion of the property from 1989 to 1999.  Dore 
has delivered documents alleging approximately $140 million in damages.  Trial is currently set for April 27, 
2009.  We intend to vigorously defend against these allegations and believe that our share of damages, if any, will 
not have a material adverse effect on our financial position, results of operations, or cash flows. 

We are involved in various other legal proceedings in the ordinary course of business.  These proceedings are 
subject to the uncertainties inherent in any litigation.  We are defending ourselves vigorously in all such matters and 
we believe that the ultimate disposition of such proceedings will not have a material adverse effect on our financial 
position, results of operations or cash flows. 

Non-Cancelable Leases and Other Commitments—We hold leases and other commitments for drilling rigs, 
buildings, equipment and other properties. Rental expense for office buildings and oil and gas operations equipment 
was approximately $20 million in 2008, $13 million in 2007, and $12 million in 2006. 

Minimum commitments as of December 31, 2008 consist of the following: 

Drilling,
Equipment,
and Purchase
Obligations

Throughput
Agreement

Transportation
and Gathering
(in millions)

Operating
Lease
Obligations

Total

2009
2010
2011
2012
2013
2014 and thereafter
Total 

$         

485
439
399
72
-
-
1,395

$      

$     14 
       19 
       19 
       19 
       19 
         5 
$     
95

$     12 
         9 
         8 
         5 
         5 
         4 
$     

43

$            

$      

12
10
8
7
1
18
56

523
477
434
103
25
27
1,589

$            

$   

Note 18 – Recently Issued Pronouncements 

SFAS 141(R) and SFAS 160 – In 2007, the FASB issued SFAS No. 141(R), “Business Combinations” (SFAS 
141(R)) and SFAS No. 160, “Noncontrolling Interests in Consolidated Financial Statements” (SFAS 160). These 
statements require most identifiable assets, liabilities and noncontrolling interests to be recorded at full fair value 
and require noncontrolling interests to be reported as a component of equity. Both statements are effective for 
periods beginning on or after December 15, 2008. SFAS 141(R) will be applied to business combinations occurring 
after the effective date and SFAS 160 will be applied prospectively to all noncontrolling interests, including any that 
arose before the effective date. We adopted SFAS 141(R) and SFAS 160 as of January 1, 2009. There were no non-
controlling interests at adoption date. Adoption had no effect on our financial position and results of operations. 

Adoption of SFAS 159—In 2007, the FASB issued SFAS No. 159, “The Fair Value Option for Financial Assets and 
Financial Liabilities” (SFAS 159). SFAS 159 provides companies with an option to report selected financial assets 
and liabilities at fair value. SFAS 159 was effective as of the beginning of an entity’s first fiscal year beginning after 
November 15, 2007. We adopted SFAS 159 as of January 1, 2008. Adoption had no effect on our financial position 
or results of operations as we made no elections to report selected financial assets or liabilities at fair value. 

SFAS 161 – In March 2008, the FASB issued SFAS No. 161, “Disclosures about Derivative Instruments and 
Hedging Activities” (SFAS 161). SFAS 161 amends and expands the disclosure requirements of SFAS 133 and 
requires qualitative disclosures about objectives and strategies for using derivative instruments, quantitative 
disclosures about fair value amounts of derivative instruments and related gains and losses, and disclosures about 
credit-risk-related contingent features in derivative agreements. SFAS 161 is effective for financial statements 
issued for fiscal years and interim periods beginning after November 15, 2008. We adopted SFAS 161 as of January 
1, 2009. The statement provides only for enhanced disclosures. Therefore, adoption had no impact on our financial 
position or results of operations. 

FSP FAS 132(R) –    In December 2008, the FASB issued FSP FAS 132(R), “Employers’ Disclosures About 
Postretirement Benefit Plan Assets” (FSP FAS 132(R)). FSP FAS 132(R) requires employers to make additional 

95 

 
           
              
        
           
                
        
             
                
        
                
                
          
                
              
          
 
disclosures about plan assets for defined benefit pension and other postretirement benefit plans beginning with 
annual periods ending after December 15, 2009. The requirements apply to entities that are subject to 
the disclosure requirements of FAS 132R. Disclosures are to provide an understanding of how investment allocation 
decisions are made, the major categories of plan assets, the inputs and valuation techniques used to measure the fair 
value of plan assets, the effect of fair-value measurements using significant unobservable inputs on changes in 
plan assets for the period, and significant concentrations of risk within plan assets. We adopted FSP FAS 132(R) as 
of January 1, 2009. The statement provides only for enhanced disclosures. Therefore, adoption had no impact on our 
financial position or results of operations. 

EITF 08-06– In November 2008, the FASB ratified the consensus reached in EITF 08-06, “Equity Method 
Investment Accounting Considerations” (EITF 08-06). EITF 08-06 was issued to address questions that arose 
regarding the application of the equity method subsequent to the issuance of FAS 141(R). EITF 08-06 concluded 
that equity method investments should continue to be recognized using a cost accumulation model, thus continuing 
to include transaction costs in the carrying amount of the equity method investment. In addition, EITF 08-06 
clarifies that an impairment assessment should be applied to the equity method investment as a whole, rather than to 
the individual assets underlying the investment. EITF 08-06 is effective for fiscal years beginning on or after 
December 15, 2008. We adopted EITF 08-06 as of January 1, 2009. Adoption had no effect on our financial position 
and results of operations. 

96 

 
Supplemental Oil and Gas Information (Unaudited) 

In accordance with SFAS No. 69, “Disclosures about Oil and Gas Producing Activities” (SFAS 69), and regulations 
of the SEC, we are making the following supplemental disclosures about our crude oil and natural gas exploration 
and production operations. 

There are numerous uncertainties inherent in estimating quantities of proved crude oil and natural gas reserves. 
Crude oil and natural gas reserve engineering is a subjective process of estimating underground accumulations of 
crude oil and natural gas that cannot be precisely measured. The accuracy of any reserve estimate is a function of the 
quality of available data and of engineering and geological interpretation and judgment. 

Engineers in our Houston, Denver and London offices prepare all reserve estimates for our different geographical 
regions. These reserve estimates are reviewed and approved by senior engineering staff and division management 
with final approval by the vice president in charge of corporate reserves and certain members of senior management. 
During each of the years 2008, 2007 and 2006, we retained Netherland, Sewell & Associates, Inc. (NSAI), 
independent third-party reserve engineers, to perform reserve audits of proved reserves. The reserve audit for 2008 
included a detailed review of 18 of our major international, deepwater Gulf of Mexico and US onshore fields, which 
covered approximately 79% of US proved reserves and 97% of international proved reserves (86% of total proved 
reserves). The reserve audit for 2007 included a detailed review of 16 of our major international, deepwater Gulf of 
Mexico and US onshore fields, which covered approximately 71% of US proved reserves and 96% of international 
proved reserves (81% of total proved reserves). The reserve audit for 2006 included a detailed review of 14 of our 
major international, deepwater Gulf of Mexico and US onshore fields, which covered approximately 80% of our 
total proved reserves. See Items 1 and 2. Business and Properties—Proved Reserves. 

Results of drilling, testing and production subsequent to the date of the estimate may justify revision of such 
estimate. Accordingly, reserve estimates are often different from the quantities of crude oil and natural gas that are 
ultimately recovered. 

Our supplemental disclosures are grouped by geographic area and include the United States, West Africa (Equatorial 
Guinea and Cameroon), Israel, Ecuador, North Sea and Other International (Argentina, China and Suriname). 
Operations in Equatorial Guinea, Cameroon, Ecuador, China, Cyprus and Suriname are conducted in accordance 
with the terms of production sharing contracts. Operations in other foreign locations are conducted in accordance 
with concession agreements or licenses. 

The following definitions apply to the terms used in the paragraphs above: 

Reserve Estimate. The determination of an estimate of a quantity of oil or gas reserves that are thought to exist at a 
certain date, considering existing prices and reservoir conditions. 

Reserve Audit. The process involving an independent third-party engineering firm’s visits, collection of any and all 
required geologic, geophysical, engineering and economic data, and such firm’s complete external preparation of 
reserve estimates. 

The following definitions apply to our categories of proved reserves: 

Proved Reserves. Proved oil and gas reserves are the estimated quantities of crude oil, natural gas and natural gas 
liquids which geological and engineering data demonstrate with reasonable certainty to be recoverable in future 
years from known reservoirs under existing economic and operating conditions (i.e., prices and costs as of the date 
the estimate is made). Prices include consideration of changes in existing prices provided only by contractual 
arrangements, but not on escalations based upon future conditions. 

Proved Developed Reserves. Proved developed oil and gas reserves are reserves that can be expected to be 
recovered through existing wells with existing equipment and operating methods. 

Proved  Undeveloped  Reserves.  Proved  undeveloped  oil  and  gas  reserves  are  reserves  that  are  expected  to  be 
recovered  from  new  wells  on  undrilled  acreage,  or  from  existing  wells  where  a  relatively  major  expenditure  is 
required for recompletion. 
For complete definitions of proved natural gas, natural gas liquids and crude oil reserves, refer to SEC Regulation 
S-X, Rule 4-10(a)(2), (3) and (4). 

97 

 
 
 
 
 
Supplemental Oil and Gas Information (Unaudited) 

Recent SEC Rule-Making Activity – In December 2008, the SEC announced that it had approved revisions designed 
to modernize the oil and gas company reserve reporting requirements. The most significant amendments to the 
requirements include the following: 

•  Commodity Prices - Economic producibility of reserves and discounted cash flows will be based on a 12-

month average commodity price unless contractual arrangements designate the price to be used.   
•  Disclosure of Unproved Reserves - Probable and possible reserves may be disclosed separately on a 

voluntary basis. 

•  Proved Undeveloped Reserve Guidelines – Reserves may be classified as proved undeveloped if there is a 

high degree of confidence that the quantities will be recovered.  

•  Reserve Estimation Using New Technologies - Reserves may be estimated through the use of reliable 

technology in addition to flow tests and production history. 

•  Reserve Personnel and Estimation Process - Additional disclosure is required regarding the qualifications 

of the chief technical person who oversees our reserves estimation process.  We will also be required to 
provide a general discussion of our internal controls used to assure the objectivity of the reserves estimate. 
•  Disclosure by Geographic Area - Reserves in foreign countries or continents must be presented separately 

if they represent more than 15% of our total oil and gas proved reserves. 

•  Non-Traditional Resources – The definition of oil and gas producing activities will expand and focus on the 

marketable product rather than the method of extraction. 

The rules are effective for fiscal years ending on or after December 31, 2009, and early adoption is not permitted.  
We are currently evaluating the new rules and assessing the impact they will have on our reported oil and gas 
reserves.  The SEC is coordinating with the Financial Accounting Standards Board to obtain the revisions necessary 
to SFAS 19, “Financial Accounting and Reporting by Oil and Gas Producing Companies”, and SFAS 69 to provide 
consistency with the new rules. In the event that consistency is not achieved in time for companies to comply with 
the new rules, the SEC will consider delaying the compliance date.

98 

 
Proved Oil Reserves (Unaudited) 

The following reserve schedule was developed by our reserve engineers and sets forth the changes in estimated 
quantities of proved crude oil reserves: 

Crude Oil, Condensate and NGLs (MMBbls)
 North 
Sea

Other
Int'l (1)

West
Africa

United
States

Proved reserves as of:
December 31, 2005
Revisions of previous estimates
Extensions, discoveries and other additions (2)
Purchase of minerals in place (3)
Sale of minerals in place (4)
Production (5)
December 31, 2006
Revisions of previous estimates (6)
Extensions, discoveries and other additions (7)
Purchase of minerals in place
Sale of minerals in place
Production (5)
December 31, 2007
Revisions of previous estimates (8)
Extensions, discoveries and other additions (9)
Purchase of minerals in place
Sale of minerals in place (10)
Production (5)
December 31, 2008

Proved developed reserves as of:
December 31, 2005
December 31, 2006
December 31, 2007
December 31, 2008

152
-
23
19
(7)
(17)
170
28
27
-
(2)
(16)
207
(10)
16
3
-
(18)
198

114
115
129
121

101
(2)
-
-
-
(9)
90
-
-
-
-
(8)
82
1
-
-
-
(8)
75

101
90
71
57

20
-
-
-
-
(1)
19
1
10
-
-
(5)
25
-
2
-
-
(4)
23

8
19
15
15

18
-
2
-
-
(3)
17
-
-
-
-
(2)
15
-
9
-
(7)
(2)
15

16
16
14
6

Total

291
(2)
25
19
(7)
(30)
296
29
37
-
(2)
(31)
329
(9)
27
3
(7)
(32)
311

239
240
229
199

(1)  Other International includes China and Argentina. We sold our assets in Argentina in 2008.  
(2)  The increase in US proved reserves includes 14 MMBbl in the US Wattenberg field, primarily due to infill drilling 

(3) 

(4) 

activities. 
Purchase of minerals in place includes 18 MMBbl acquired in the purchase of U.S. Exploration. See Note 4—Acquisitions 
and Divestitures. 
Sale of minerals in place is primarily due to the sale of Gulf of Mexico shelf properties. See Note 4—Acquisitions and 
Divestitures. 

(5)  West Africa production includes sales from the Alba field to the Alba LPG plant of 3 MMBbl in 2008, 3 MMBbl in 2007, 

and 3 MMBbl in 2006. 

(6)  The positive revisions within the US are primarily due to 29 MMBbl of NGLs, previously recorded in proved natural gas 

reserves, being reflected in proved oil reserves, partially offset by negative revisions within the US Southern region related 
to less than expected well performance.   

(7)  The increase in proved reserves includes 17 MMBbl in the US Wattenberg field, primarily due to infill drilling activities, 8 

(8) 

MMBbl in the deepwater Gulf of Mexico and 10 MMBbl in the North Sea Dumbarton field area. 
 The negative revisions within the US are primarily due to lower year-end prices (28 MMBbl), partially offset by the 
recording of NGLs which had previously been recorded in proved natural gas reserves. 

(9)  The increase in proved reserves includes 13 MMBbl in the US Wattenberg field, primarily due to infill drilling activities, 

and 9 MMBbl in China. 

(10)  Decrease due to sale of our assets in Argentina. See Note 4 – Acquisitions and Divestitures.

99 

 
            
            
              
              
            
                 
               
                 
                 
               
              
                 
                 
                
              
              
                 
                 
                 
              
             
               
               
                
               
             
               
               
               
             
            
              
              
              
            
              
                 
                
                 
              
              
                 
              
                 
              
                 
                 
                 
                 
                 
               
                 
                 
                 
               
             
               
               
               
             
            
              
              
              
            
             
                
                 
                 
               
              
                 
                
                
              
                
                 
                 
                 
                
                 
                 
                 
               
               
             
               
               
               
             
            
              
              
              
            
            
            
                
              
            
            
              
              
              
            
            
              
              
              
            
          
            
            
              
            
 
Proved Gas Reserves (Unaudited)  

The following reserve schedule was developed by our reserve engineers and sets forth the changes in estimated 
quantities of proved natural gas reserves: 

Proved reserves as of:
December 31, 2005
Revisions of previous estimates (2)
Extensions, discoveries and other additions (3)
Purchase of minerals in place (4)
Sale of minerals in place (5)
Production
December 31, 2006
Revisions of previous estimates (6)
Extensions, discoveries and other additions (7)
Purchase of minerals in place 
Sale of minerals in place
Production
December 31, 2007
Revisions of previous estimates (8)
Extensions, discoveries and other additions (9)
Purchase of minerals in place (10)
Sale of minerals in place
Production
December 31, 2008

Proved developed reserves as of:
December 31, 2005
December 31, 2006
December 31, 2007
December 31, 2008

Natural Gas and Casinghead Gas (Bcf)

United
States

West
Africa

Israel

Ecuador

Other
Int'l (1)

Total

1,641
(83)
314
141
(110)
(164)
1,739
(67)
316
3
-
(151)
1,840
(253)
345
72
-
(145)
1,859

1,279
1,255
1,259
1,268

901
58
-
3
-
(17)
945
44
-
-
-
(48)
941
34
78
-
-
(75)
978

431
360
830
700

394
-
-
-
-
(34)
360
-
-
-
-
(41)
319
1
4
-
-
(51)
273

337
303
263
216

144
33
-
-
-
(9)
168
29
-
-
-
(9)
188
-
-
-
-
(8)
180

144
168
188
180

11
11
-
-
-
(3)
19
(1)
3
-
-
(2)
19
8
-
-
-
(2)
25

11
19
16
21

3,091
19
314
144
(110)
(227)
3,231
5
319
3
-
(251)
3,307
(210)
427
72
-
(281)
3,315

2,202
2,105
2,556
2,385

(1)   Other International includes the North Sea, China and Argentina. We sold our assets in Argentina in 2008.  
(2)  West Africa’s positive revisions are primarily due to additional production allowances related to LNG sales. 

Positive revisions in Ecuador are related to better than expected well performance. 

(3)  The increase in US proved reserves includes 140 Bcf in the Wattenberg field, 77 Bcf in the Piceance basin and 55 Bcf in the 

(4) 

(5) 

Mid-continent area, primarily due to infill drilling activities. 
Purchase of minerals in place includes 128 Bcf acquired in the purchase of U.S. Exploration. See Note 4—Acquisitions and 
Divestitures. 
Sale of minerals in place is primarily due to sale of Gulf of Mexico shelf properties. See Note 4—Acquisitions and 
Divestitures. 

(6)  The negative revisions within the US are primarily due to 103 Bcf of natural gas being reflected in the proved oil reserves 
table as NGLs, partially offset by positive revisions resulting from an increase in commodity price.  West Africa’s positive 
revisions are primarily due to additional production allowances related to LNG sales.  Positive revisions in Ecuador are 
related to better than expected well performance. 

(7)  The increase in US proved reserves includes 142 Bcf in the Wattenberg field, 83 Bcf in the Piceance basin and 19 Bcf in the 

Niobrara trend, primarily due to infill drilling activities. 

(8)  Negative revisions in the US are primarily due to lower year-end prices (109 Bcf), as well as additional natural gas volumes 
being reflected in the proved oil reserves table as NGLs. West Africa’s positive revisions are primarily due to additional 
production allowances related to LNG sales. 

(9)  The increase in US proved reserves includes 106 Bcf in the Wattenberg field and 173 Bcf in the Rockies, primarily from the 

Piceance basin and Niobrara trend primarily due to infill drilling activities. The remaining increase is due to other 
development programs in the US Northern and Southern regions. 

 (10)  Purchase of minerals in place is primarily due to the Mid-continent acquisition. See Note 4—Acquisitions and Divestitures. 

100 

 
       
         
         
         
          
     
           
           
              
           
          
          
          
              
              
             
             
        
        
           
            
           
            
        
       
            
            
           
            
       
       
        
        
         
          
       
       
         
         
         
          
     
           
           
              
           
           
            
          
              
              
             
            
        
              
              
              
             
             
            
               
              
              
             
             
             
         
          
          
           
           
       
       
         
         
         
          
     
         
           
             
             
            
       
          
           
             
             
             
        
            
              
              
             
             
          
               
              
              
             
             
             
         
          
          
           
           
       
       
         
         
         
          
     
       
         
         
         
          
     
       
         
         
         
          
     
       
         
         
         
          
     
     
        
       
       
         
     
  
 
Results of Operations for Oil and Gas Producing Activities (Unaudited) 

Aggregate results of operations in connection with crude oil and natural gas producing activities are as follows: 

United
States

West
Africa

Israel

Ecuador
(in millions)

North
Sea

Other
Int'l (1)

Total

Year Ended December 31, 2008
Revenues
Sales (2)
Sales to affiliated power plant

Total Revenues
Production costs (3)
Exploration expense
DD&A
Impairment of assets
Income before income taxes
Income tax expense
Results of operations (4)
Equity investee results of operations (5)
Year Ended December 31, 2007
Revenues
Sales (2)
Sales to affiliated power plant

Total Revenues
Production costs (3)
Exploration expense
DD&A
Impairment of assets
Income before income taxes
Income tax expense
Results of operations (4)
Equity investee results of operations (5)
Year Ended December 31, 2006
Revenues
Sales (2)
Sales to affiliated power plant

Total Revenues
Production costs (3)
Exploration expense
DD&A
Impairment of assets
Income before income taxes
Income tax expense
Results of operations (4)
Equity investee results of operations (5)

$       

2,459
-
2,459
470
111
653
224
1,001
339
662
$          
$               
-

$       

1,952
-
1,952
390
122
595
4
841
191
650
$          
$               
-

$       

1,937
-
1,937
420
113
571
9
824
313
$          
511
$               
-

$      

$      

500
-
500
42
9
34
-
415
99
316
118

406
-
406
42
44
25
-
295
84
211
128

414
-
414
32
7
23
-
352
125
227
101

$      
$      

$      

$      
$      

$      

$      
$      

$       

157
-
157
12
4
23
-
118
22
$         
96
$           
-

$       

113
-
113
10
1
18
-
84
14
$         
70
$           
-

$         

92
-
92
9
-
14
-
69
20
$         
49
$           
-

$       
-

30
30
12
1
9
-
8
2
$          
6
$           
-

$       
-

35
35
6
-
11
-
18
4
$        
14
$           
-

$       
-

34
34
6
-
12
-
16
4
$        
12
$           
-

$       

410
-
410
66
18
55
-
271
132
139
$       
$            
-

$       

364
-
364
52
17
81
-
214
114
100
$       
$            
-

$       

115
-
115
22
11
9
-
73
42
$         
31
$            
-

$      

125
-
125
45
39
11
-
30
17
13
$        
$           
-

$      

131
-
131
49
3
20
-
59
10
49
$        
$           
-

$      

143
-
143
42
12
26
-
63
23
$        
40
$           
-

3,651
30
3,681
647
182
785
224
1,843
611
1,232
118

2,966
35
3,001
549
187
750
4
1,511
417
1,094
128

2,701
34
2,735
531
143
655
9
1,397
527
870
101

$      
$         

$      

$         

$      

$         
$         

(1) 
(2) 

 Other International includes China, Argentina (through February 2008) and Suriname. 
Includes impact resulting from applying cash flow hedge accounting for related commodity derivative instruments. See Note 
6 - Derivative Instruments and Hedging Activities. 

(3)  Production costs from oil and gas producing activities consist of oil and gas operations expense, production and ad valorem 

taxes, transportation costs, and general and administrative expense supporting oil and gas operations. 

(4)  Results of operations from oil and gas producing activities exclude the mark-to-market gain or loss on commodity derivative 

instruments, corporate overhead and interest costs. See Note 6 - Derivative Instruments and Hedging Activities. 

(5)  Equity investee results of operations represents our share of the Alba Plant equity investee results of operations from oil and 

gas producing activities.  

101 

 
                 
             
             
          
              
             
             
         
        
         
          
         
        
        
            
          
           
          
           
          
           
            
            
             
            
           
          
           
            
          
           
            
           
          
           
            
             
             
             
              
             
           
         
        
         
            
         
          
        
            
          
           
            
         
          
           
                 
             
             
          
              
             
             
         
        
         
          
         
        
        
            
          
           
            
           
          
           
            
          
             
             
           
            
           
            
          
           
          
           
          
           
                
             
             
             
              
             
               
            
        
           
          
         
          
        
            
          
           
            
         
          
           
        
                 
             
             
          
              
             
             
         
        
           
          
         
        
        
            
          
             
            
           
          
           
            
            
             
             
           
          
           
            
          
           
          
             
          
           
                
             
             
             
              
             
               
            
        
           
          
           
          
        
            
        
           
            
           
          
           
 
Costs Incurred in Oil and Gas Property Acquisition, Exploration and Development Activities (Unaudited) (1) 

Costs incurred in connection with crude oil and natural gas acquisition, exploration and development are as follows: 

United
States

West
Africa

Israel

Ecuador
(in millions)

North
Sea

Other
Int'l (2)

Total

Year Ended December 31, 2008
Property acquisition costs
  Proved (3)
  Unproved (4)
Total acquisition costs
Exploration costs
Development costs (5) (6) (7)
Total consolidated operations

$        

256
296
552
322
1,106
1,980

-
$            
-
-
110
41
151

$       

-
$           
-
-
28
13
41

$         

-
$          
-
-
1
1
$         
2

-
$          
1
1
17
94
112

$      

-
$           
5
5
39
10
54

$         

$       

256
302
558
517
1,265
2,340

$    

$     

Our share of Alba Plant development costs

$            
-

$           
2

$           
-

$          
-

$          
-

$           
-

$           
2

Year Ended December 31, 2007
Property acquisition costs
  Proved
  Unproved
Total acquisition costs
Exploration costs

Development costs (5) (6) (7)

$          

11
145
156
184

-
$            
-
-
179

-
$           
-
-
2

-
$          
-
-
-

-
$          
-
-
52

-
$           
1
1
3

$         

11
146
157
420

1,081

15

25

-

47

23

1,191

Total consolidated operations

$     

1,421

$       

194

$         

27

$          
-

$        

99

$         

27

$    

1,768

Our share of Alba Plant development costs

$            
-

$           
1

$           
-

$          
-

$          
-

$           
-

$           
1

Year Ended December 31, 2006
Property acquisition costs
  Proved (8)
  Unproved (8)
Total acquisition costs
Exploration costs
Development costs (5) (6) (7)

$        

514
157
671
205
785

$           
8
26
34
13
7

$           
-
1
1
-
14

$          
-
-
-
-
-

$          
-
1
1
18
231

$           
-
-
-
11
22

$       

522
185
707
247
1,059

Total consolidated operations

$     

1,661

$         

54

$         

15

$          
-

$      

250

$         

33

$    

2,013

Our share of Alba Plant development costs

$            
-

$           
1

$           
-

$          
-

$          
-

$           
-

$           
1

 Costs incurred include capitalized and expensed items. 

(1) 
(2)  Other International includes China, Argentina (through February 2008), Suriname and other new ventures. 
(3) 
(4) 

Includes $254 million related to the Mid-continent acquisition. 
Includes $179 million for deepwater Gulf of Mexico lease blocks, $38 million related to the Mid-continent acquisition, $39 
million related to lease acquisitions in East Texas and the remainder primarily for other onshore US lease acquisitions. 
(5)  US development costs include increases in asset retirement obligations of $34 million in 2008, $24 million in 2007, and 

$4 million in 2006. US asset retirement costs of $33 million in 2006 were incurred as a result of hurricane damage and are 
excluded from the costs incurred schedule above as we recovered the costs from insurance proceeds. 

(6)  Worldwide development costs include amounts spent to develop proved undeveloped reserves of $1.0 billion in both 2008 
and 2007, and $768 million in 2006. Worldwide development costs also include $191 million spent on an FSPO in the 
North Sea Dumbarton field in 2006. 

(7)  North Sea development costs include increases in asset retirement obligations of $18 million in 2008 and $4 million in 2007. 
(8) 

Includes amounts allocated from the U.S. Exploration acquisition (2006) See Note 4—Acquisitions and Divestitures.

102 

 
  
          
              
             
            
            
             
         
         
            
           
          
           
             
        
          
         
           
           
          
           
         
       
           
           
           
          
           
      
  
         
            
           
          
           
             
        
         
            
           
          
           
             
        
          
         
             
            
          
             
         
       
           
           
            
          
           
      
  
         
         
           
          
           
             
        
         
         
           
          
           
             
        
          
           
             
            
          
           
         
          
             
           
            
        
           
      
 
Capitalized Costs Relating to Oil and Gas Producing Activities (Unaudited) 
Aggregate capitalized costs relating to crude oil and natural gas producing activities, including asset retirement costs 
and related accumulated DD&A, are as follows: 

Unproved oil and gas properties (1)
Proved oil and gas properties (2)
Total oil and gas properties

Accumulated DD&A

Net capitalized costs

Our share of Alba Plant net capitalized costs

December 31,

2008

2007

(in millions)

$       

961

$    

1,165

10,905
11,866

(3,022)

$    

8,844

$       

113

8,903
10,068

(2,281)

$    

7,787

$       

117

(1)  Unproved  oil  and  gas  properties  includes  $465  million  and  $628  million  at  December  31,  2008  and  2007,  respectively, 
remaining  from  the  allocation  of  costs  to  unproved  properties  acquired  in  the  Patina  Merger  and  the  acquisition  of  U.S. 
Exploration.  

(2)  Proved oil and gas properties include asset retirement costs of $180 million and $91 million at December 31, 2008 and 2007, 

respectively. 

103 

 
    
      
    
    
   
   
 
Standardized  Measure  of  Discounted  Future  Net  Cash  Flows  Relating  to  Proved  Oil  and  Gas  Reserves 
(Unaudited) 

The following information is based on our best estimate of the required data for the Standardized Measure of 
Discounted Future Net Cash Flows as of December 31, 2008, 2007 and 2006 in accordance with SFAS 69. The 
standard requires the use of a 10% discount rate. This information is not the fair market value nor does it represent 
the expected present value of future cash flows of our proved oil and gas reserves. 

December 31, 2008
Future cash inflows (2)
Future production costs (3)
Future development costs
Future income tax expense
Future net cash flows
10% annual discount for
  estimated timing of cash flows
Standardized measure of discounted
  future net cash flows
December 31, 2007
Future cash inflows (2)
Future production costs (3)
Future development costs
Future income tax expense
Future net cash flows
10% annual discount for
  estimated timing of cash flows
Standardized measure of discounted
  future net cash flows
December 31, 2006
Future cash inflows (2)
Future production costs (3)
Future development costs
Future income tax expense
Future net cash flows
10% annual discount for
  estimated timing of cash flows
Standardized measure of discounted
  future net cash flows

United
States

West
Africa

Israel

Ecuador
(in millions)

North
Sea

Other
Int'l (1)

Total

$    

16,551
4,646
3,082
2,594
6,229

$      

3,277
784
62
774
1,657

$        

938
120
160
173
485

$        

674
249
17
119
289

$    

1,170
442
184
305
239

$       

455
185
148
49
73

$   

23,065
6,426
3,653
4,014
8,972

3,180

608

106

157

14

43

4,108

$      

3,049

$      

1,049

$        

379

$        

132

$       

225

$         

30

$     

4,864

$    

30,733
5,936
3,136
6,622
15,039

$      

6,935
1,112
202
1,348
4,273

$        

858
180
88
146
444

$        

704
174
12
115
403

$    

2,492
516
200
881
895

$       

879
335
15
125
404

$   

42,601
8,253
3,653
9,237
21,458

7,398

1,705

163

227

221

93

9,807

$      

7,641

$      

2,568

$        

281

$        

176

$       

674

$       

311

$   

11,651

$    

18,948
4,551
2,846
3,422
8,129

$      

4,904
738
80
1,348
2,738

$        

972
146
90
187
549

$        

629
162
12
130
325

$    

1,225
327
35
435
428

$       

808
187
28
177
416

$   

27,486
6,111
3,091
5,699
12,585

3,966

1,132

215

170

95

120

5,698

$      

4,163

$      

1,606

$        

334

$        

155

$       

333

$       

296

$     

6,887

 (1)  Other International includes China and Argentina. We sold our assets in Argentina in 2008. 
 (2)  The standardized measure of discounted future net cash flows for 2008, 2007 and 2006 does not include cash flows relating 

(3) 

to anticipated future methanol or electricity sales. 
Production costs include oil and gas operations expense, production and ad valorem taxes, transportation costs and general 
and administrative expense supporting oil and gas operations. 

104 

 
 
  
        
           
          
          
         
         
       
        
           
        
          
       
         
      
        
         
        
        
       
           
      
        
        
          
          
         
           
       
        
           
          
          
           
           
       
  
        
        
          
          
         
         
       
        
         
          
          
       
           
      
        
      
        
        
       
         
      
      
        
          
          
         
         
     
        
        
          
          
         
           
       
  
        
           
          
          
         
         
       
        
           
          
          
         
           
      
        
      
        
        
       
         
      
        
        
          
          
         
         
     
        
        
          
          
           
         
       
 
Prices and Other Assumptions in Discounted Future Net Cash Flows (Unaudited) 

Future cash inflows are computed by applying year-end prices, adjusted for location and quality differentials on a 
field-by-field basis, to year-end quantities of proved reserves, except in those instances where fixed and 
determinable price changes are provided by contractual arrangements at year-end. The discounted future cash flow 
estimates do not include the effects of derivative instruments. Average prices per region are as follows: 

December 31, 2008
Average crude oil price per Bbl
Average natural gas price per Mcf
December 31, 2007
Average crude oil price per Bbl
Average natural gas price per Mcf
December 31, 2006
Average crude oil price per Bbl
Average natural gas price per Mcf

United
States

West
Africa

Israel

Ecuador

North
Sea

Other
Int'l (1)

Total

$        

36.62

$        

40.51

$               
-

$               
-

$      

45.17

$      

31.69

$       

37.97

4.99

0.25

3.43

3.74

5.72

-

3.39

$        

88.00

$        

81.26

$               
-

$               
-

$      

93.79

$      

61.72

$       

85.62

6.78

0.27

2.69

3.74

7.07

-

4.36

$        

57.02

$        

51.49

$               
-

$               
-

$      

57.81

$      

48.04

$       

54.87

5.32

0.27

2.70

3.75

7.11

0.85

3.48

(1)  Other International includes China at December 31, 2008, 2007 and 2006 and Argentina at December 31, 2007 

and 2006. 

We estimate that a $1.00 per Bbl change in the average price of crude oil or a $.10 per Mcf change in the average 
price of natural gas from the year-end prices at December 31, 2008 would change the discounted future net cash 
flows before income taxes by approximately $187 million or $168 million, respectively. 

Future production and development costs, which include dismantlement and restoration expense, are computed by 
estimating the expenditures to be incurred in developing and producing the proved crude oil and natural gas reserves 
at the end of the year, based on year-end costs, and assuming continuation of existing economic conditions. 

Future development costs include amounts that we expect to spend to develop proved undeveloped reserves of 
$745 million in 2009, $795 million in 2010 and $541 million in 2011. 

Future income tax expense is computed by applying the appropriate year-end statutory tax rates to the estimated 
future pretax net cash flows relating to proved crude oil and natural gas reserves, less the tax bases of the properties 
involved. Future income tax expense gives effect to tax credits and allowances, but does not reflect the impact of 
general and administrative costs and exploration expenses of ongoing operations. 

Imbalance receivables and liabilities are as follows: 

2008

Year Ended December 31,
2007
(in millions)

2006

Imbalance receivables
Imbalance liabilities

7
$          
8

$         

13
10

$        

18
17

Imbalance receivables and imbalance liabilities have been excluded from the standardized measure of discounted 
future net cash flows.

105 

 
 
  
            
            
           
           
          
                
           
  
            
            
           
           
          
                
           
  
            
            
           
           
          
          
           
 
 
          
         
         
 
Sources of Changes in Discounted Future Net Cash Flows (Unaudited) 

Principal changes in the aggregate standardized measure of discounted future net cash flows attributable to proved 
crude oil and natural gas reserves are as follows: 

2008

Year Ended December 31, 
2007
2006
(in millions)

Standardized measure of discounted future net cash flows, beginning of year

$  

11,651

$     

6,887

$     

8,771

Changes in standardized measure of dicounted future net cash flows:
Sales of oil and gas produced, net of production costs
Net changes in prices and production costs
Extensions, discoveries and improved recovery, less related costs
Changes in estimated future development costs
Development costs incurred during the period
Revisions of previous quantity estimates
Purchases of minerals in place
Sales of minerals in place
Accretion of discount
Net change in income taxes
Change in timing of estimated future production and other

(3,030)
(8,017)
400
(883)
1,291
(617)
182
(66)
1,663
2,853
(563)

(2,427)
5,266
1,635
(775)
1,189
1,276
6
(95)
1,006
(1,900)
(417)

(2,177)
(2,788)
769
(558)
1,076
(92)
573
(579)
1,274
777
(159)

Aggregate change in standardized measure of discounted future net cash flows

(6,787)

4,764

(1,884)

Standardized measure of discounted future net cash flows, end of year

$    

4,864

$   

11,651

$     

6,887

106 

 
     
     
     
     
       
     
       
      
          
        
        
        
      
       
       
      
      
          
         
              
          
          
          
        
      
       
       
      
     
          
        
        
        
     
       
     
 
Supplemental Quarterly Financial Information (Unaudited) 

Supplemental quarterly financial information is as follows: 

2008 (1)
Revenues
Income (loss) before income taxes
Net income (loss)

Earnings (loss) per share:

Basic (4)
Diluted (2) (4)

2007 (3)
Revenues
Income before income taxes
Net income

Earnings per share:

Basic (4)
Diluted (4)

Quarter Ended

March 31,

June 30,

September 30,

December 31,

Total

(in millions except per share amounts)

$        

1,025
315
215

$       

1,205
(198)
(144)

$    

1,098
1,454
974

$       

573
490
305

$        

3,901
2,061
1,350

$          

1.25
1.20

$        

(0.84)
(0.84)

$      

5.64
5.37

$      

1.77
1.72

$          

7.83
7.58

$           

743
304
212

$          

794
293
209

$          

1.24
1.22

$         

1.22
1.21

$       

814
344
223

$      

1.30
1.28

$       

921
427
300

$        

3,272
1,368
944

$      

1.75
1.73

$          

5.52
5.45

(1)  First quarter 2008 includes the following: 

•  $237 million loss on commodity derivative instruments. (See Note 6–Derivative Instruments and Hedging 

Activities). 

 Second quarter 2008 includes the following: 

•  $828 million loss on commodity derivative instruments. (See Note 6–Derivative Instruments and Hedging 

Activities). 

Third quarter 2008 includes the following: 

•  $875 million gain on commodity derivative instruments (See Note 6–Derivative Instruments and Hedging 

Activities); 

•  $38 million write-down of SemCrude, L.P. receivable (See Note 17–Commitments and Contingencies); 
•  $38 million impairment of assets (See Note 4–Acquisitions and Divestitures); and 
•  $9 million loss on involuntary conversion (See Note 4–Acquisitions and Divestitures). 

Fourth quarter 2008 includes the following: 

•  $630 million gain on commodity derivative instruments (See Note 6–Derivative Instruments and Hedging 

Activities); and 

•  $256 million impairment of assets (See Note 3–Asset Impairments). 

(2) 

 The diluted earnings per share calculations for the quarters ended September 30, 2008 and December 31, 2008 
include decreases to net income of $29 million, net of tax, and $4 million, net of tax, respectively, related to 
deferred compensation gains related to shares of our common stock held in a rabbi trust. 

(3)  First quarter 2007 includes the following: 

•  $13 million loss on involuntary conversion (See Note 4—Acquisitions and Divestitures). 

 Second quarter 2007 includes the following: 

•  $38 million loss on involuntary conversion (See Note 4—Acquisitions and Divestitures). 

(4)  The sum of the individual quarterly earnings (loss) per share amounts may not agree with year-to-date earnings 
per share as each quarterly computation is based on the income or loss for that quarter and the weighted average 
number of shares outstanding during that quarter. 

107 

 
             
           
      
         
          
             
           
         
         
          
            
          
        
        
            
             
            
         
         
          
             
            
         
         
             
            
           
        
        
            
 
 
 
Item 9.   Changes in and Disagreements with Accountants on Accounting and Financial Disclosure 

None. 

Item 9A.  Controls and Procedures 

Evaluation of Disclosure Controls and Procedures 

We maintain disclosure controls and procedures that are designed to ensure that information required to be disclosed 
by us in the reports we file or furnish to the SEC under the Securities Act of 1934, as amended, is recorded, 
processed, summarized and reported within the time periods specified by the SEC’s rules and forms, and that 
information is accumulated and communicated to management, including our principal executive officer and 
principal financial officer, as appropriate, to allow timely decisions regarding required disclosure. 

Our principal executive officer and principal financial officer have evaluated the effectiveness of our “disclosure 
controls and procedures,” as such term is defined in Rule 13a-15(e) and 15d-15(e) of the Securities Exchange Act of 
1934, as amended, as of the end of the period covered by this Annual Report on Form 10-K. Based upon their 
evaluation, they have concluded that our disclosure controls and procedures are effective. 

In designing and evaluating our disclosure controls and procedures, management recognizes that any controls and 
procedures, no matter how well designed and operated, can provide only reasonable, and not absolute, assurance that 
the objectives of the control system will be met. In addition, the design of any control system is based in part upon 
certain assumptions about the likelihood of future events and the application of judgment in evaluating the cost-
benefit relationship of possible controls and procedures. Because of these and other inherent limitations of control 
systems, there is only reasonable assurance that our controls will succeed in achieving their goals under all potential 
future conditions. 

Management’s Annual Report on Internal Control over Financial Reporting 

The management report called for by Item 308(a) of Regulation S-K is incorporated herein by reference to 
Management’s Report on Internal Control over Financial Reporting, included in Item 8. Financial Statements and 
Supplementary Data. 

The independent auditor’s attestation report called for by Item 308(b) of Regulation S-K is incorporated herein by 
reference to Report of Independent Registered Public Accounting Firm (Internal Control Over Financial Reporting), 
included in Item 8. Financial Statements and Supplementary Data. 

Changes in Internal Control over Financial Reporting 

We have been in the process of implementing a new Enterprise Resource Planning (ERP) software system to replace 
our various legacy systems.  During 2008, we implemented additional phases of the system. As appropriate, we 
modified the design and documentation of internal control processes and procedures relating to the implementation 
of the newest phases.  We believe that the new ERP system has strengthened and will continue to enhance our 
internal controls over financial reporting as additional phases are implemented; however, there are inherent risks in 
implementing any new system that could impact our financial reporting. See Item 1A. Risk Factors—Information 
technology systems implementation issues could disrupt our internal operations, increase our costs and adversely 
affect our financial results or our ability to report our financial results.  

In the event that issues arise, we have manual procedures in place which would facilitate our continued recording 
and reporting of results from the new ERP system. However, because of its inherent limitations, internal control 
over financial reporting may not detect or prevent misstatements. Projections of any evaluation of the effectiveness 
to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or 
that the degree of compliance with the policies or procedures may deteriorate. 

We will continue to monitor, test, and appraise the impact and effect of the new ERP system on our internal controls 
and procedures as additional phases and features of the system are implemented. There were no changes in internal 
controls over financial reporting that occurred during the most recent fiscal quarter that have materially affected, or 
are reasonably likely to materially affect, our internal controls over financial reporting, except as described above. 

Item 9B.  Other Information 

None. 

108 

 
Item 10.  Directors, Executive Officers and Corporate Governance 

PART III 

The information required by this item is incorporated herein by reference to the 2009 Proxy Statement, which will 
be filed with the SEC not later than 120 days subsequent to December 31, 2008. 

Item 11.  Executive Compensation  

The information required by this item is incorporated herein by reference to the 2009 Proxy Statement, which will 
be filed with the SEC not later than 120 days subsequent to December 31, 2008. 

Item 12.  Security Ownership of Certain Beneficial Owners and Management and Related Stockholder  

Matters 

The information required by this item is incorporated herein by reference to the 2009 Proxy Statement, which will 
be filed with the SEC not later than 120 days subsequent to December 31, 2008. 

Item 13.  Certain Relationships and Related Transactions, and Director Independence 

The information required by this item is incorporated herein by reference to the 2009 Proxy Statement, which will 
be filed with the SEC not later than 120 days subsequent to December 31, 2008. 

Item 14.  Principal Accounting Fees and Services 

The information required by this item is incorporated herein by reference to the 2009 Proxy Statement, which will 
be filed with the SEC not later than 120 days subsequent to December 31, 2008. 

Item 15.  Exhibits, Financial Statements Schedules 

a)  The following documents are filed as a part of this report: 

PART IV 

(3) 

Exhibits: The exhibits required to be filed by this Item 15 are set forth in the Index to Exhibits 
accompanying this report.

109 

 
Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the Registrant has duly caused this 
report to be signed on its behalf by the undersigned, thereunto duly authorized. 

SIGNATURES 

Date: February 19, 2009 

Date: February 19, 2009 

Date: February 19, 2009 

NOBLE ENERGY, INC. 
(Registrant) 

By: /s/ Charles D. Davidson 
Charles D. Davidson, 
Chairman of the Board, President, 
Chief Executive Officer and Director 

By: /s/ Chris Tong 
Chris Tong, 
Senior Vice President, Chief Financial Officer 

By: /s/ Frederick B. Bruning 
Frederick B. Bruning, 
Vice President, Chief Accounting Officer 

Pursuant to the requirements of the Securities Exchange Act of 1934, this report has been signed below by the following persons 
on behalf of the Registrant and in the capacities and on the dates indicated. 

Signature 

  Capacity in which signed 

  Date 

/s/ Charles D. Davidson 
Charles D. Davidson 

/s/ Chris Tong 
Chris Tong 

  Chairman of the Board, President, 
  Chief Executive Officer and Director 

(Principal Executive Officer) 

Senior Vice President, 
  Chief Financial Officer 

(Principal Financial Officer) 

February 19, 2009 

February 19, 2009 

/s/ Frederick B. Bruning 
Frederick B. Bruning 

  Vice President, Chief Accounting Officer 

February 19, 2009 

(Principal Accounting Officer) 

/s/ Jeffrey L. Berenson 
Jeffrey L. Berenson 

/s/ Michael A. Cawley 
Michael A. Cawley 

/s/ Edward F. Cox 
Edward F. Cox 

/s/ Thomas J. Edelman 
Thomas J. Edelman 

/s/ Eric P. Grubman 
Eric P. Grubman 

s/ Kirby L. Hedrick 
Kirby L. Hedrick 

/s/ Scott D. Urban 
Scott D. Urban 

/s/ William T. Van Kleef 
William T. Van Kleef 

  Director 

  Director 

  Director 

  Director 

Director 

Director 

Director 

Director 

110 

February 19, 2009 

February 19, 2009 

February 19, 2009 

February 19, 2009 

February 19, 2009 

February 19, 2009 

February 19, 2009 

February 19, 2009 

 
 
 
 
 
 
 
 
 
 
 
   
   
   
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Exhibit 
Number        

INDEX TO EXHIBITS 

Exhibit **  

3.1 

  —   Certificate of Incorporation, as amended, of the Registrant as currently in effect (filed as 
Exhibit 3.2 to the Registrant’s Annual Report on Form 10-K for the year ended 
December 31, 1987 and incorporated herein by reference). 

3.2 

  —   By-Laws of Noble Energy, Inc. as amended through December 9, 2008 (filed as Exhibit 3.1 to 

the Registrant’s Current Report on Form 8-K (Date of Event: December 9, 2008) filed December 
15, 2008 and incorporated herein by reference). 

4.1 

  —   Certificate of Designations of Series A Junior Participating Preferred Stock of the Registrant 

dated August 27, 1997 (filed as Exhibit A of Exhibit 4.1 to the Registrant’s Registration 
Statement on Form 8-A filed on August 28, 1997 and incorporated herein by reference). 

4.2 

  —   Certificate of Designations of Series B Mandatorily Convertible Preferred Stock of the Registrant 

dated November 9, 1999 (filed as Exhibit 3.4 to the Registrant’s Annual Report on Form 10-K 
for the year ended December 31, 1999 and incorporated herein by reference). 

4.3 

  —   Indenture dated as of October 14, 1993 between the Registrant and U.S. Trust Company of 

Texas, N.A., as Trustee, relating to the Registrant’s 7 1/4% Notes Due 2023, including form of 
the Registrant’s 7 1/4% Notes Due 2023 (filed as Exhibit 4.1 to the Registrant’s Quarterly Report 
on Form 10-Q for the quarter ended September 30, 1993 and incorporated herein by reference). 

4.4 

  —   Indenture relating to Senior Debt Securities dated as of April 1, 1997 between the Registrant and 
U.S. Trust Company of Texas, N.A., as Trustee (filed as Exhibit 4.1 to the Registrant’s Quarterly 
Report on Form 10-Q for the quarter ended March 31, 1997 and incorporated herein by 
reference). 

4.5 

  —   First Indenture Supplement relating to $250 million of the Registrant’s 8% Senior Notes Due 

2027 dated as of April 1, 1997 between the Registrant and U.S. Trust Company of Texas, N.A., 
as Trustee (filed as Exhibit 4.2 to the Registrant’s Quarterly Report on Form 10-Q for the quarter 
ended March 31, 1997 and incorporated herein by reference). 

4.6 

  —   Second Indenture Supplement, between the Company and U.S. Trust Company of Texas, N.A. as 
trustee, relating to $100 million of the Registrant’s 7 1/4% Senior Debentures Due 2097 dated as 
of August 1, 1997 (filed as Exhibit 4.1 to the Registrant’s Quarterly Report on Form 10-Q for the 
quarter ended June 30, 1997 and incorporated herein by reference). 

4.7 

  —   Third Indenture Supplement relating to $200 million of the Registrant’s 5.25% Notes due 2014 

dated April 19, 2004 between the Company and the Bank of New York Trust Company, N.A., as 
successor trustee to U.S. Trust Company of Texas, N.A. (filed as Exhibit 4.1 to the Company’s 
Registration Statement on Form S-4 (Registration No. 333-116092) and incorporated herein by 
reference). 

10.1 * 

  —   Noble Energy, Inc. Retirement Restoration Plan dated effective as of January 1, 2009, filed 

herewith. 

10.2 * 

  —   Noble Energy, Inc. Restoration Trust effective August 1, 2002 (filed as Exhibit 10.3 to the 

Registrant’s Annual Report on Form 10-K for the year ended December 31, 2002 and 
incorporated herein by reference). 

10.3 * 

  —   Form of Nonqualified Stock Option Agreement under the Noble Energy, Inc. 1992 Stock Option 
and Restricted Stock Plan (filed as Exhibit 10.1 to the Registrant’s Current Report on Form 8-K 
(Date of Event: February 1, 2005) filed February 7, 2005 and incorporated herein by reference). 

10.4 * 

  —   Form of Restricted Stock Agreement under the Noble Energy, Inc. 1992 Stock Option and 

Restricted Stock Plan, filed herewith. 

10.5 * 

  —   1988 Nonqualified Stock Option Plan for Non-Employee Directors of the Registrant, as amended 

and restated, effective as of April 27, 2004 (filed as Exhibit 10.2 to the Registrant’s Quarterly 
Report on Form 10-Q for the quarter ended June 30, 2004 and incorporated herein by reference). 

111 

 
 
 
 
 
 
 
 
 
Exhibit 
Number        

Exhibit **  

10.6* 

10.7 

  —   Form of Indemnity Agreement entered into between the Registrant and each of the Registrant’s 
directors and bylaw officers (filed as Exhibit 10.18 to the Registrant’s Annual Report of 
Form 10-K for the year ended December 31, 1995 and incorporated herein by reference). 

  —   Guaranty of the Registrant dated October 28, 1982, guaranteeing certain obligations of Samedan 
(filed as Exhibit 10.12 to the Registrant’s Annual Report on Form 10-K for the year ended 
December 31, 1993 and incorporated herein by reference). 

10.8* 

  —   Letter agreement dated February 1, 2002 between the Registrant and Charles D. Davidson, 

terminating Mr. Davidson’s employment agreement and entering into the attached Change of 
Control Agreement (filed as Exhibit 10.17 to the Registrant’s Annual Report on Form 10-K for 
the year ended December 31, 2001 and incorporated herein by reference). 

10.9 

  —   364-day Credit Agreement dated as of November 27, 2002 among the Registrant, as borrower, 

JPMorgan Chase Bank, as the administrative agent for the lenders, Wachovia Bank, National 
Association, as the syndication agent for the lenders, Societe Generale, Citibank, N.A., Deutsche 
Bank Ag New York Branch, and The Royal Bank of Scotland PLC, as co-documentation agents, 
and certain commercial lending institutions, as lenders, (filed as Exhibit 10.19 to the Registrant’s 
Annual Report on Form 10-K for the year ended December 31, 2002 and incorporated herein by 
reference). 

10.10 

10.11 

10.12 

10.13 

10.14 

10.15 

10.16 

  —   364-day Credit Agreement dated as of October 30, 2003 among the Registrant, as borrower, 
JPMorgan Chase Bank, as the administrative agent for the lenders, Wachovia Bank, National 
Association, as the syndication agent for the lenders, Societe Generale, Deutsche Bank Ag New 
York Branch, and The Royal Bank of Scotland PLC, as co-documentation agents, and certain 
commercial lending institutions, as lenders (filed as Exhibit 10.20 to the Registrant’s Annual 
Report on Form 10-K for the year ended December 31, 2003 and incorporated herein by 
reference). 

  —   Term Loan Agreement dated as of January 30, 2004 among Noble Energy Mediterranean Ltd., as 
borrower, Sumitomo Mitsui Banking Corporation, as initial lender and agent for the lenders, and 
certain commercial lending institutions, as lenders (filed as Exhibit 99.1 to the Registrant’s 
Current Report on Form 8-K (Date of Event: January 30, 2004) filed May 10, 2004 and 
incorporated herein by reference). 

  —   Guaranty of the Company dated January 30, 2004 guaranteeing obligations of Noble Energy 
Mediterranean, Ltd. under the Term Loan Agreement dated January 30, 2004 (filed as 
Exhibit 99.2 to the Registrant’s Current Report on Form 8-K (Date of Event: January 30, 2004) 
filed May 10, 2004 and incorporated herein by reference). 

  —   Term Loan Agreement dated as of February 2, 2004 among Noble Energy Mediterranean Ltd., as 
borrower, Bank One, NA, as agent for the lenders, and certain commercial lending institutions, as 
lenders (filed as Exhibit 99.3 to the Registrant’s Current Report on Form 8-K (Date of Event: 
January 30, 2004) filed May 10, 2004 and incorporated herein by reference). 

  —   Guaranty of the Company dated February 2, 2004 guaranteeing obligations of Noble Energy 
Mediterranean, Ltd. under the Term Loan Agreement dated February 2, 2004 (filed as 
Exhibit 99.4 to the Registrant’s Current Report on Form 8-K (Date of Event: January 30, 2004) 
filed May 10, 2004 and incorporated herein by reference). 

  —   Term Loan Agreement dated as of February 4, 2004 among Noble Energy Mediterranean Ltd., as 
borrower, The Royal Bank of Scotland Finance (Ireland), as agent for the lenders and as the 
initial lender (filed as Exhibit 99.5 to the Registrant’s Current Report on Form 8-K (Date of 
Event: January 30, 2004) filed May 10, 2004 and incorporated herein by reference). 

  —   Guaranty of the Company dated February 4, 2004 guaranteeing obligations of Noble Energy 
Mediterranean, Ltd. under the Term Loan Agreement dated February 4, 2004 (filed as 
Exhibit 99.6 to the Registrant’s Current Report on Form 8-K (Date of Event: January 30, 2004) 
filed May 10, 2004 and incorporated herein by reference). 

10.17* 

  —   Form of Performance Units Agreement under the Noble Energy, Inc. 2004 Long-Term Incentive 
Plan (filed as Exhibit 10.3 to the Registrant’s Current Report on Form 8-K (Date of Event: 
February 1, 2005) filed February 7, 2005 and incorporated herein by reference). 

112 

 
 
 
Exhibit 
Number        

Exhibit **  

10.18 

  —   $2.1 billion Five-Year Credit Agreement, dated December 9, 2005, among Noble Energy, Inc., 

JPMorgan Chase Bank, N.A., as administrative agent, Wachovia Bank, National Association and 
The Royal Bank of Scotland PLC, as co-syndication agents, Deutsche Bank Securities Inc. and 
Citibank, N.A., as co-documentation agents, and certain other commercial lending institutions 
named therein (filed as Exhibit 10.1 to the Registrant’s Current Report on Form 8-K (Date of 
Event: December 9, 2005), filed December 14, 2005 and incorporated herein by reference). 

10.19 

  —   $2.1 billion Five-Year Credit Agreement, dated November 30, 2006, among Noble Energy, Inc., 
JPMorgan Chase Bank, N.A., as administrative agent, Wachovia Bank, National Association and 
The Royal Bank of Scotland PLC, as co-syndication agents, Deutsche Bank Securities Inc., 
Citibank, N.A. and The Bank of Tokyo-Mitsubishi UFJ, Ltd., as co-documentation agents, and 
certain other commercial lending institutions named therein (filed as Exhibit 10.1 to the 
Registrant’s Current Report on Form 8-K (Date of Event: November 30, 2006), filed 
December 6, 2006 and incorporated herein by reference). 

10.20* 

  —   Noble Energy, Inc. 2005 Non-Employee Director Fee Deferral Plan, dated December 11, 2008, 

and effective as of January 1, 2009, filed herewith. 

10.21* 

  —   Consulting Agreement, dated May 9, 2005 but commencing May 16, 2005, by and between 
Noble Energy, Inc. and Thomas J. Edelman (filed as Exhibit 10.1 to the Registrant’s Current 
Report on Form 8-K (Date of Event: May 16, 2005), filed May 20, 2005 and incorporated herein 
by reference). 

10.22* 

  —   2005 Stock Plan for Non-Employee Directors of Noble Energy, Inc. (filed as Exhibit 10.1 to the 

Registrant’s Current Report on Form 8-K (Date of Event: April 26, 2005) filed April 29, 2005 
and incorporated herein by reference). 

10.23* 

  —   Form of Stock Option Agreement under the Noble Energy, Inc. 2005 Non-Employee Director 

Stock Plan (filed as Exhibit 10.1 to the Registrant’s Quarterly Report on Form 10-Q for the 
quarter ended June 30, 2005 and incorporated herein by reference). 

10.24* 

10.25* 

  —   Form of Restricted Stock Agreement under the Noble Energy, Inc. 2005 Non-Employee Director 
Stock Plan (filed as Exhibit 10.1 to the Registrant’s Current Report on Form 8-K (Date of Event: 
January 27, 2009) filed on February 2, 2009 and incorporated herein by reference). 

  —   Form of Restricted Stock Agreement under the Noble Energy, Inc. 1992 Stock Option and 
Restricted Stock Plan entered into by certain executive officers and key employees of the 
Company on May 16, 2005 and August 1, 2005, respectively (filed as Exhibit 10.4 to the 
Registrant’s Quarterly Report on Form 10-Q for the quarter ended June 30, 2005 and 
incorporated herein by reference). 

10.26* 

  —   Noble Energy, Inc.  1992 Stock Option and Restricted Stock Plan (as amended through April 24, 

2007), (filed as exhibit 10.1 to Registrant’s Current Report on Form 8-K (Date of Event: April 
24, 2007) filed April 30, 2007 and incorporated herein by reference). 

10.27* 

  —   Noble Energy, Inc. Change of Control Severance Plan for Executives (as amended effective 

January 1, 2008), (filed as Exhibit 10.40 to the Registrant’s Annual Report on Form 10-K for the 
year ended December 31, 2007 and incorporated herein by reference). 

10.28* 

  —   Noble Energy, Inc. Change of Control Agreement (as amended effective January 1, 2008), (filed 

as Exhibit 10.41 to the Registrant’s Annual Report on Form 10-K for the year ended 
December 31, 2007 and incorporated herein by reference). 

10.29* 

  —   Noble Energy, Inc. 2004 Long-Term Incentive Plan (as amended effective January 1, 2008), 

(filed as Exhibit 10.42 to the Registrant’s Annual Report on Form 10-K for the year ended 
December 31, 2007 and incorporated herein by reference). 

10.30* 

  —   Amendment to the 2006 Performance Units Agreement (as amended effective January 1, 2008), 
(filed as Exhibit 10.43 to the Registrant’s Annual Report on Form 10-K for the year ended 
December 31, 2007 and incorporated herein by reference). 

10.31* 

  —   Noble Energy, Inc. 2005 Deferred Compensation Plan (as amended effective January 1, 2009), 

filed herewith. 

113 

 
 
 
Exhibit 
Number        

Exhibit **  

10.32* 

  —   Amendment to the 2005 Stock Plan for Non-Employee Directors of Noble Energy, Inc. (effective 

September 1, 2008) (filed as Exhibit to the Registrant’s Quarterly Report on Form 10-Q for the 
quarter ended September 30, 2008 and incorporated herein by reference). 

12.1 

  —   Calculation of ratio of earnings to fixed charges, filed herewith. 

21     

  —   Subsidiaries, filed herewith. 

23.1 

23.2 

  —   Consent of Independent Registered Public Accounting Firm—KPMG LLP, filed herewith. 

  —   Consent of Independent Registered Public Accounting Firm—PricewaterhouseCoopers LLP, 

filed herewith. 

23.3 

  —   Consent of Independent Petroleum Engineers and Geologists—Netherland, Sewell & 

Associates, Inc., filed herewith. 

31.1 

  —   Certification of the Company’s Chief Executive Officer Pursuant to Section 302 of the Sarbanes-

Oxley Act of 2002 (18 U.S.C. Section 7241). 

31.2 

  —   Certification of the Company’s Chief Financial Officer Pursuant to Section 302 of the Sarbanes-

Oxley Act of 2002 (18 U.S.C. Section 7241). 

32.1 

  —   Certification of the Company’s Chief Executive Officer Pursuant to Section 906 of the Sarbanes-

Oxley Act of 2002 (18 U.S.C. Section 1350). 

32.2 

  —   Certification of the Company’s Chief Financial Officer Pursuant to Section 906 of the Sarbanes-

Oxley Act of 2002 (18 U.S.C. Section 1350). 

99.1 

99.2 

  —   Report of Independent Public Accounting Firm—PricewaterhouseCoopers LLP, filed herewith. 

  —   Report of Netherland, Sewell & Associates, Inc., filed herewith. 

  *  Management contract or compensatory plan or arrangement required to be filed as an exhibit hereto.

  ** Copies of exhibits will be furnished upon prepayment of 25 cents per page. Requests should be 
addressed to the Senior Vice President and Chief Financial Officer, Noble Energy, Inc., 100 
Glenborough Drive, Suite 100, Houston, Texas 77067. 

114 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
In this report, the following abbreviations are used: 

GLOSSARY 

Barrel(s) 
Thousand barrels 

Bbl(s) 
MBbls 
MMBbls  Million barrels 
Barrels per day 
Bpd 
Barrels oil per day 
Bopd 
Barrels oil equivalent; gas is converted on the basis of six Mcf of gas per one barrel of oil, condensate 
Boe 
or natural gas liquids 
Thousand barrels oil equivalent 
Million barrels oil equivalent 
Barrels oil equivalent per day 
Million gallons 
Kilowatt 
Kilowatt hours 
Megawatt 
Gigawatt 
Thousand cubic feet 
Million cubic feet 
Billion cubic feet 
Trillion cubic feet 
Thousand cubic feet per day 

MBoe 
MMBoe 
Boepd 
MMgal 
KW 
KWh 
MW 
GW 
Mcf 
MMcf 
Bcf 
Tcf 
Mcfpd 
MMcfpd  Million cubic feet per day 
Mcfe 
MMcfe 
Bcfe 
BTU 
MMBtu 
MMBtupd  Million British thermal units per day 
Btupcf 
MT 
MTpd 
LNG 
LPG 
NGL 

British thermal unit per cubic foot 
Metric tons 
Metric tons per day 
Liquefied natural gas 
Liquefied petroleum gas 
Natural gas liquid 

Thousand cubic feet equivalent 
Million cubic feet equivalent 
Billion cubic feet equivalent 
British thermal unit 
Million British thermal units 

115 

 
 
ON TES

DIRECTORS

CHARLES D. DAVIDSON (4)
Chairman of the Board, President and
Chief Executive Officer, Noble Energy, Inc.

JEFFREy L. BERENSON (2) (3)
President and Chief Executive Officer,
Berenson & Company

MICHAEL A. CAWLEy (1) (3)
Trustee, President and Chief Executive Officer,
The Samuel Roberts Noble Foundation, Inc.

EDWARD F. COx (2) (3) (4)
Of Counsel, law firm of 
Patterson Belknap Webb & Tyler LLP

THOMAS J. EDELMAN (4)
Former Chairman of the Board and Chief Executive Officer,
Patina Oil & Gas Corporation

ERIC P. GRuBMAN
Executive Vice President,
National Football League

KIRBy L. HEDRICK (2) (3) (4)
Former Executive Vice President,
Phillips Petroleum Company

SCOTT D. uRBAN (1) (3) (4)
Former Group Vice President, BP

WILLIAM T. VAN KLEEF (1) (3)
Former Executive Vice President and
Chief Operating Officer, Tesoro Corporation

COMMITTEE MEMBERSHIP
(1)  Audit Committee       

(2)  Compensation, Benefits and Stock Option Committee

(3)  Corporate Governance and Nominating Committee

(4) 

Environment, Health and Safety Committee

ExECuTIVE OFFICERS

CHARLES D. DAVIDSON 

Chairman of the Board, President, Chief Executive Officer and Director

TED D. BROWN 

Senior Vice President, North America Northern Region

Senior Vice President, International
RODNEy D. COOK 
SuSAN M. CuNNINGHAM  Senior Vice President, Exploration 
ARNOLD J. JOHNSON 

Senior Vice President, General Counsel and Secretary

A. LEE ROBISON 
DAVID L. STOVER 
CHRIS TONG 

Vice President, Human Resources

Executive Vice President and Chief Operating Officer

Senior Vice President and Chief Financial Officer

CORPORATE INFORMATION

Annual  Meeting                 The Annual  Meeting  of  Stockholders  of 
Noble Energy, Inc. will be held on Tuesday, April 28, 2009, at 9:30 
a.m.,  Central  Time,  at  The  Woodlands  Waterway  Marriott  Hotel 
&  Convention  Center  located  at  1601  Lake  Robbins  Drive,  The 
Woodlands,  Texas  77380.  All  stockholders  are  cordially  invited  
to attend.

Form 10-K         The Company’s Annual Report on Form 10-K for 
the year ended December 31, 2008, as filed with the Securities and 
Exchange Commission, is included in this report. Additional copies 
are  available  without  charge  upon  request  by  writing  to  Investor 
Relations, Noble Energy, Inc., 100 Glenborough Drive, Suite 100, 
Houston, Texas 77067-3610, via the Company’s Internet website: 
http://www.nobleenergyinc.com, or via the Securities and Exchange 
Commission’s Internet website: http://www.sec.gov. 

Forward  Looking  Statement                 This  2008 Annual  Report 
to  stockholders  contains  forward-looking  statements  based  on 
expectations, estimates and projections as of the date of this report. 
These statements by their nature are subject to risks, uncertainties 
and  assumptions  and  are  influenced  by  various  factors.  As  a 
consequence,  actual  results  may  differ  materially  from  those 
expressed in the forward-looking statements. For more information, 
see “Item 1A. Risk Factors. Disclosure Regarding Forward-Looking 
Statements” in Noble Energy’s Form 10-K included in this report.

Noble Energy, Inc. 
Corporate Headquarters
100 Glenborough Drive 
Suite 100
Houston, Texas 77067-3610
(281) 872.3100 

Investor Relations
David Larson
Vice President, Investor Relations
(281) 872.3100
Investor_Relations@nobleenergyinc.com
www.nobleenergyinc.com

Independent Public Accountants
KPMG LLP

Transfer Agent and Registrar
Wells Fargo Bank N.A. 
Shareowner Services
161 North Concord Exchange
South St. Paul, MN 55075-1139
(800) 468.9716
stocktransfer@wellsfargo.com

Common Stock Listed
New York Stock Exchange
Symbol - NBL

The paper used in this 
report is FSC Certified, 
elemental and process 
chlorine-free, and was 
made with 100 percent 
renewable electricity and 
manufactured carbon 
neutral.

Cert no. SCS-COC-00648

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Houston, TX 77067-3610

nobleenergyinc.com

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Noble eNergy 2008 ANNuAl reportvisioN for the  future