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Horizon Global

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FY2019 Annual Report · Horizon Global
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Horizon Oil Limited   ABN 51 009 799 455

Annual

Report
2019

 Consistent growth in sales volumes for 
5 consecutive years

 Material increase in sales revenue 
driven by record oil sales volumes

 Accelerated debt reduction with  
68% reduction in net debt in FY19

 Greater production and revenue 
diversification following acquisition of 
additional Maari interest in 2018

 Maintenance of low operating costs 
driving record EBITDAX

RECO RD  SALES VO LUME
1.87 mmbbls

RECORD SALES REVENUE
US$122 million

RECORD  EBITDAX   
US$93 million

13%

NET DEBT REDUC ED TO
US$28 million

68%

22%

UNDERLYING PROFI T 
BEFORE TAX   
US$37 million

97%

36%

2P RESERVES INCREASE   
~95% reserves replacement

1.8mmbbls

Contents

2019 Highlights 

Chairman and CEO's Report  

Reserves and Resources Statement 

Board of Directors 

Consolidated Results 

1

2

7

12

12

Activities Review

    – Production

    – Development and Pre-development

    – Exploration

Annual Financial Report

13

14

18

20

21

Directors’ Report

Sustainability Report

Shareholder Information

Glossary

Company Directory

22

44

102

104

105

 
 
 
 
 
2019 Highlights

1

OIL SALES 
(mmbbls)

   Maari        

  Beibu

REVENUE1  
(US$m)

EBITDAX 
(US$m)

UNDERLYING PROFIT 
BEFORE TAX (US$m)

   Maari        

  Beibu

1    Net of hedge 
settlements.        

   Cost recovery entitlement

1.38

1.21

0.90

0.93

     1.65

0.31

0.86

1.42

0.30

0.80

1.87

0.29

1.00

104.0

70.5

76.0

35.5

0.29

0.47

0.32

0.48

0.58

33.4

40.5

122.4

80.1

100.0

68.9

42.3

31.2

68.5

52.2

16.4

89.1

93.0

68.5

54.0

45.2

37.3

18.9

8.7

2.2

(8.7)

FY15 

FY16     FY17 

FY18 

FY19

FY15 

FY16     FY17 

FY18 

FY19

FY15 

FY16     FY17 

FY18 

FY19

FY15 

     FY17 

FY18 

FY19

FY16

“ Our strengthened balance sheet and 
strong cashflow generation provides 
increasing capacity to identify and secure 
appropriate growth opportunities within 
our focus region to complement our 
existing oil production assets.” 

Areas  
of Operation

China
Block 22/12 

(Production/Exploration)

26.95%/55% 

Papua New Guinea
PDL 10 (Stanley)  

PRL 21 (Elevala/Ketu)

PRL 28 (Ubuntu)

PRL 40 (Puk Puk/Douglas)

PPL 372

PPL 373

PPL 430*

PPL 574

30%

30.15%

30%

20%

95%

100%

100%

80%

* Licence PPL 430 expired post 30 June 2019.

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 New Zealand

PMP 38160 (Maari/Manaia)

26%

 
 
 
 
 
 
2

Mike Harding 
Chairman

Michael Sheridan 
Chief Executive Officer

Chairman and Chief Executive 
Officer’s Report

Dear Shareholders 

2019 saw the continued realisation of Horizon Oil’s objectives of enhancing production, maintaining a low operating cost structure, 
controlled capital investment and strengthening the company’s balance sheet. Our conventional oil production assets, which are now 
largely ungeared, achieve average oil prices at or near dated Brent and have average operating costs less than US$20/bbl. They will 
continue to generate material cashflow in future years and, with an increasingly strengthening balance sheet, favourably position 
Horizon Oil for disciplined growth in our focus region of Asia Pacific.

Horizon Oil’s full year results demonstrate the 
benefit of the Company’s low cost, conventional 
oil production portfolio which delivered:

    13% increase in oil sales to a record  

1.87 million barrels  

    22% increase in net revenues to a record 

US$122 million

   Average operating costs below US$20/bbl

   36% increase in EBITDAX to record US$93 million 

     97% increase in underlying profit before tax to 

US$37 million

   95% 2P oil reserves replacement

Delivering on objectives

We achieved solid performance in meeting or exceeding our core operating, financial and HSSE objectives for 2019. The 
strengthened balance sheet, continuing improvement in operating performance and the organic reserve replacement have put the 
Company in a solid position for 2020 and future years.

Importantly, we experienced no lost time injuries at Horizon Oil’s operated and non-operated joint ventures during the year, with 
over 1 million man-hours worked across those projects. Pleasingly, there were no material spills to environment at any of Horizon 
Oil’s operated or non-operated projects during the year.

Horizon Oil Annual Report 2019CHAIRMAN AND CHIEF EXECUTIVE’S REPORT 

3

Field management 

Operating performance during the year 
was strong with an overall 22% increase 
in net production owing largely to active 
field management and the benefit of a 
full financial year’s production from the 
additional 16% interest in Maari/Manaia 
acquired in the second half of 2018. 

In Block 22/12, China, our partner 
CNOOC continued to achieve excellent 
performance with underlying production 
increasing 16% on the prior year to 
1.0 million barrels net to Horizon Oil. 
Drawing down an entitlement to just 
under 300,000 barrels in additional cost 
recovery oil, our resultant oil sales in Block 
22/12 were 1.3 million barrels, generating 
very strong margins with operating costs 
below US$10/barrel sold.

The field performance was enhanced 
early in the year with the drilling and 
completion of the two infill wells on 
the 12-8 West and 12-8 Mid fields, the 
initial flow rates of which exceeded 
expectations at 3,500 bopd. 

At Maari/Manaia fields in New Zealand, 
we enjoyed a further improvement on last 
year’s strong result with a 33% increase 
in our production entitlement to 600,000 
bbls net to Horizon Oil.

The additional underlying production from 
the 16% interest acquired in the second 
half of 2018 was complemented by 
increased water injection rates following 
the successful conversion of the MR5 well 
to a water injector in the first half of the 
year, together with a series of production 
optimisation activities. 

The net increase of 1.8 mmbl to our 2P oil 
reserves, which replaced the majority of 
our 2019 oil sales, is largely the outcome 
of the active field management programs 
at Beibu Gulf and Maari/Manaia fields, 
undertaken in conjunction with our 
operators CNOOC and OMV.  The key 
contributing factors to the increase are 
sustained production at levels above 
earlier forecasts, planned improvements 
to water handling capacity at Beibu Gulf 
together with the benefit of additional 
water injection and enhanced well data 
gathering at Maari/Manaia.

The joint venture was sharply focused 
during the year on cost reduction which, 
together with the increased production 
levels, reduced the operating cost per 
barrel at Maari/Manaia to less than 
US$25/bbl. 

2019 saw the 
operating cost per 
barrel at Maari/
Manaia reduce to less 
than US$25/bbl.

Horizon Oil Annual Report 2019 
  
4

CHAIRMAN AND CHIEF EXECUTIVE’S REPORT 

Development and pre-development assets 

In China, development planning and final 
contract negotiations continued in respect 
of our WZ 12-8 East resource. At the same 
time the joint venture continues to refine 
our subsurface modelling for what is a 
complementary but complex resource. 
CNOOC continues to target first oil in early 
2021 with a final decision anticipated later 
this year. 

Our assets in PNG constitute a large 
stake in substantial condensate 
rich gas resources on the pipeline 
route of ExxonMobil, Oil Search and 
Santos’ planned PNG LNG expansion 
infrastructure. 

The aggregate resource volumes of 
Horizon Oil’s PNG licences are 2,200 
PJ of gas and 64 million barrels of 
condensate, of this 1,700 PJ of gas and all 
the condensate are held in the northern 
fields of Stanley, Elevala, Ketu and Ubuntu. 
Horizon Oil operates the Elevala, Ketu and 
Ubuntu fields. Our aggregate net interest 
in those resources is approximately 30%.

Our core condensate rich gas resources 
lie to the south of the P’nyang gas field, 
which will provide the threshold volumes 
for the PNG LNG expansion train. The 
planned P’nyang to Kutubu gas and 
condensate pipelines pass within 20 km of 
our Ketu field.

Recognition of the potential value of the 
PNG asset base may well occur as a result 
of advancing the commercialisation of 
the resources, progression of regional 
development and ongoing corporate 
activity in and around our asset base.

Both the current and previous 
governments in PNG have made 
clear the nation’s strategic objective 
of ensuring third party access to the 
strategic infrastructure associated with 
LNG developments in the country. The 
clear objectives are capital efficiencies, 
expansion of national development 
opportunities and greater availability 
of domestic gas resources for existing 
and prospective domestic industry. 
The pathway to achieving these 
national objectives exists in the current 
legislative framework and the gas 
(i.e. project) agreements negotiated 
with the LNG developers at the start 
of projects. Recently, there has been 
considerable media attention in relation 
to the Papua LNG project on the PNG’s 
government’s focus on third party access 
to infrastructure and greater domestic 
market obligation in respect of gas 
supply. These matters will continue to be 
an area of attention as the P’nyang gas 
agreement is negotiated. 

Access to strategic infrastructure would 
facilitate the prospect of Horizon Oil’s 
gas resources being available to satisfy 
the growing demand and increasing 
calls in PNG for gas to be made available 
for power and other onshore industrial 
development, whether such development 
serves an export or PNG domestic market, 
by way of greater domestic market 
obligations. The prospect of our material 
resources directly or indirectly offsetting 
the PNG LNG expansion project’s 
domestic market obligations would 
overcome the diminution of their resource 
available for LNG production with our 
surplus volumes available to meet their 
future demands for gas feedstock. 

Repsol, on behalf of the PDL 10 joint 
venture, continued engagement with the 
PNG Petroleum Minister in relation to 
the correspondence received regarding 
satisfaction of licence conditions. The 
formal dispute resolution process which 
the joint venture was compelled to initiate 
under the terms of Stanley gas agreement 
in November 2018 remains on foot while 
the parties also endeavour to resolve the 
matter directly.

Horizon Oil Annual Report 2019CHAIRMAN AND CHIEF EXECUTIVE’S REPORT 

5

Capital management

The strong free cashflow in 2019 
facilitated the simplification of Horizon 
Oil’s capital structure. During the year, 
we entered into a new US$95 million 
senior debt facility on substantially 
improved terms, enabling the 
consolidation and reduction of debt, 
with funding costs reduced to LIBOR 
+2.75%.

The improved financing structure and 
free cashflow enabled a 68% reduction 
of net debt to US$28 million at 30 June 
2019, well ahead of previous forecasts, 
and allows us to confidently predict 
that we will be in a net cash position in 
mid calendar 2020.

Horizon Oil maintains a prudent 
approach to addressing its exposure 
to oil price and foreign exchange 
movements with the continued 
application of our rolling hedging 
program. At 30 June 2019, the 
Company had oil price swaps in place 
for 480,000 bbls out to 31 March 
2020 at an average price of US$69.43, 
inclusive of credit and other fees. This 
secures revenue of approximately 
US$33.3 million over the 9 month 
period.  We further mitigate risk by 
acquiring loss of production insurance. 

The improved financing structure and free 
cashflow enabled a 68% reduction of net debt 
to US$28 million at 30 June 2019, well ahead of 
previous forecasts.

Board renewal 

There was further renewal of the board 
during 2019 with Mike Harding and Chris 
Hodge joining as non-executive directors. 
Mike assumed the role of chairman of 
Horizon Oil at the 2018 annual general 
meeting on John Humphrey’s retirement 
from the Company’s board. Horizon Oil 
has benefited greatly over many years 
from John’s experience, pragmatism 
and intellect. His contribution to the 
Company’s growth and successful 
navigation through challenging periods 
has been material and his counsel 
and collegiate approach have been 
greatly appreciated by the board and 
management. 

Mike and Chris’ deep industry knowledge 
and technical skills complement the 
Company’s lean and experienced board. 
Their addition provides the board with 
the appropriate skills mix with board 
members respective technical disciplines 
covering sub-surface assessment, 
engineering, operational and commercial 
management, finance, legal and business 
development.

Our small skilled complement of 
personnel assists in maintaining low 
general and administrative costs, which 
include the insurance costs noted above. 
The merit of the loss of production 
insurance and other operational 
insurances was demonstrated with the 
insurance recoveries of approximately 
US$5 million in respect of repairs in 
2016 to the Maari/Manaia facilities. Most 
of the reimbursement was received in 
the 2019 financial year and resulted 
from considerable commercial and 
technical effort by Horizon Oil’s finance 
and technical teams, achieving a good 
outcome for the Company. 

Horizon Oil Annual Report 2019 
   
6

CHAIRMAN AND CHIEF EXECUTIVE’S REPORT 

Sustainability 

Outlook

Strong production and cashflow  
providing pathway to growth

The Company’s very strong operating and 
financial performance in 2019 has built 
upon and extended the good results of 
recent years.

We will continue to enhance production 
levels at our oil fields in China and 
New Zealand through the optimisation 
activities, together with infill, appraisal 
and exploration opportunities conducted 
in-field or near-field. These activities will 
serve to mitigate natural reservoir decline. 
Average operating costs are expected 
to remain below US$20/bbl in the near 
term and we will continue our disciplined 
approach to capital expenditure. 

We continue to be encouraged by the 
improved and sustained performance 
at Maari/Manaia. Field management 
activities underway or to be undertaken 
in FY 2020 include well equipment 
upgrades, workovers, production 
optimisation following installation 
of permanent multi-phase metering 
and greater focus on water injection. 
Furthermore, the strengthening technical 
engagement amongst the joint venture 
continues to generate good results.   

The CNOOC-led joint venture is 
currently undertaking a work program 
which includes the workover of 3 wells, 
installation of enhanced water handling 
capacity, additional wells slots on the WZ 
6-12 platform for proposed infill wells to 
be drilled in calendar 2020 and a near 
field appraisal well. If successful, the 
associated resource could be tied back to 
existing infrastructure.

Our balance sheet continues to 
strengthen and we forecast many years of 
production and strong cashflow ahead in 
Block 22/12 and Maari/Manaia. 

Our condensate and gas interests in 
PNG present great opportunity for the 
Company. Significant developments will 
take place in coming years around our 
PNG asset base and we anticipate the 
composition of our joint ventures will 
change in the near future. These matters 
will have an impact on the manner and 
timing of the commercialisation of our 
PNG resources.   

Finally, our strengthened balance sheet 
and strong cashflow generation provides 
increasing capacity to identify and 
secure appropriate growth opportunities 
within our focus region to complement 
our existing oil production assets. We 
will be disciplined in our assessment of 
opportunities and the execution of any 
associated transaction.

Our Sustainability Report in following 
pages provides succinct coverage of the 
Company’s performance and focus areas 
in respect of safety, security, environment 
and climate change, community and 
people and governance.

Key highlights include:

   Maintenance of strong safety and 
health performance across our 
operations

   Enhancements to our information 
technology systems to increase the 
resilience of the business against 
cyber security threats and loss of 
business continuity 

   Our comprehensive program of 
environmental baseline monitoring 
showed no material environmental 
impact from our activities in 
PNG and there were no losses of 
containment to the environment in 
our production operations

   We have implemented a governance 
framework to assess and evaluate 
material risks to our operations 
arising from climate change. Our 
reporting framework aligns with the 
G20’s Task Force on Climate Related 
Financial Disclosure (TCFD) and we 
are progressively working towards 
improved disclosures. Our high 
level impact assessment of climate 
related risks and opportunities for 
our business over the short, medium 
and longer term, is set out in the 
Sustainability Report. 

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Horizon Oil Limited   ABN 51 009 799 455

2019 Reserves and  
Resources Statement

as at 30 June 2019

Highlights

     STRONG PERFORMANCE FROM PRODUCING CONVENTIONAL OIL 
ASSETS IN CHINA AND NEW ZEALAND WITH NET PRODUCTION 
INCREASED BY 22% TO 1.6 MMBBL AND AVERAGING 4,400 BOPD  
NET TO HORIZON OIL   

     PROVED PLUS PROBABLE RESERVES (2P) OF OIL EQUAL TO  
8.8 MMBBL AFTER REVISIONS TO PREVIOUS ESTIMATES OF  
2.1 MMBBLS 

FY19 PRODUCTION INCREASED FOLLOWING IMPROVED DATA 
GATHERING, PRODUCTION OPTIMISATION ACTIVITIES AND 
CONTINUOUS WATER INJECTION INTO THE MAARI MOKI RESERVOIR  
IN NEW ZEALAND

     WITH SOLID BASE PRODUCTION, HORIZON OIL CONTINUES TO  
MATURE VALUE ACCRETIVE CONTINGENT PROJECTS ACROSS  
CHINA AND NEW ZEALAND  

7

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Horizon Oil Limited 2019  
Reserves and Resources Statement 

as at 30 June 2019

Proved and Proved plus Probable Reserves (Horizon Oil share)

CHINA
Block 22/12 

NEW ZEALAND
PMP 38160 

Closing Balance 30 June 2019

WZ 6-12 + WZ 12-8W

Maari + Manaia

Contingent Resources (Horizon Oil share)

CHINA

Block 22/12

NEW ZEALAND
PMP 38160

PAPUA NEW GUINEA
PDL 10

PRL 21

PRL 28

PRL 40

Closing Balance 30 June 2019

WZ 6-12 + WZ 12-8W + WZ 12-8E

Maari + Manaia

Stanley

Elevala-Ketu

Ubuntu

Puk Puk, Douglas, Weimang & Langia

2C 
Total
Liquids
mmbbl

2.0

5.5

3.4

15.2

0.7

0.1

26.9

1P 
Total
Liquids
mmbbl

2P 
Total
Liquids
mmbbl

3.0

1.9

4.9

2C 
Raw
Gas
bcf

-

-

123

351

14

111

599

4.4

4.4

8.8

2C 
Sales 
Gas
PJ

-

-

110

371

14

109

604

8

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9

Reconciliation of Proved and Proved plus Probable Reserves

    PRODUCTION: strong net production of 1.6 mmbbl with a further 0.31 mmbbl of cost-recovery oil in China with 
average daily production entitlement approximately 5,200 bopd net to Horizon Oil including adjustment for cost-
recovery barrels in China.

     CHINA: upward revision of 1P reserves by 1.6 mmbbl and of 2P reserves of 1.4 mmbbl following review of actual 
field performance, and acceleration of cost-recovery barrels due to continued strong production performance and 
higher realised oil prices.

 NEW ZEALAND: upward revisions of 1P reserves by 0.7 mmbl and of 2P reserves by 0.6 mmbbl following 
improved data gathering, production optimisation activities and continuous water injection.

      1  Cost recovery oil is reconciled as an Economic Interest Adjustment. 

Proved and Proved plus Probable Reserves Reconciliation

Opening Balance 30 June 2018

   Production (Net Working Interest) 

   Production (Cost Recovery oil entitlement)

   Revisions of Previous Estimates

   Economic Interest Adjustment

 Closing Balance 30 June 2019 

1P 
Total  
Liquids 
mmbbl

4.8

(1.6)

(0.3)

2.3

(0.2)

4.9

2P 
Total  
Liquids 
mmbbl

8.9

(1.6)

(0.3)

2.1

(0.3)

8.8

Reconciliation of Contingent Resources

    CHINA: a reduction of 1 mmbbl associated with the WZ 12-8 East project following reassessment of oil recovery, 
partially offset by maturation of infill wells in WZ 6-12 and the WZ 12-10-1 project.

     NEW ZEALAND: an increase of 1.3 mmbbl associated with asset life extension and maturation of infill 
opportunities in Maari and Manaia.

     PAPUA NEW GUINEA: an increase of 99 PJ of sales gas and a decrease of 0.3 mmbbl condensate associated 
with the acquisition of a 20% economic interest in PRL 40 and divestment of a 20% interest in PRL 28.

Contingent Resources Reconciliation

Opening Balance 30 June 2018

   Revisions of Previous Estimates 

   Economic Interest Adjustment

   Transfers, Discoveries and Extensions

   Acquisitions and Divestments

Closing Balance 30 June 2019

2C 
Total  
Liquids 
mmbbl

27.0

0.3

(0.3)

-

(0.3)

26.7

2C 
Total  
Raw Gas 
bcf

2C 
Total  
Sales Gas 
PJ

497

505

-

-

-

102

599

-

-

-

99

604

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10

HORIZON OIL LIMITED 2019 RESERVES AND RESOURCES STATEMENT as at 30 June 2019 

Permits, Licences and Interests Held

Permit or License

Operator

Material Projects

Working Interest (%)

30 June 2019

30 June 2018

CHINA
Block 22/12

NEW ZEALAND

PMP 38160

PAPUA NEW GUINEA
PDL 10

PRL 21

PRL 28

PPL 574

PPL 430

PPL 372

PPL 373

PRL 40

CNOOC

WZ 6-12 North & South,  
WZ 12-8 West & Mid fields

26.95%

26.95%

WZ 12-8 East field

55.00%1

55.00%1

OMV

Maari and Manaia fields

26.00%

26.00%

Repsol

Stanley field

Horizon Oil

Elevala-Ketu fields

Horizon Oil

Ubuntu field

Horizon Oil

Exploration activities

Horizon Oil

Exploration activities

Horizon Oil

Exploration activities

Horizon Oil

Exploration activities

Repsol

Puk Puk, Douglas,  
Weimang and Langia fields

30.00%2

30.15%2,4

30.00%2

80.00%2

100.00%2,5

95.00%2,6

100.00%2,6

20.00%2,3

30.00%2

30.15%2,4

50.00%2

80.00%2

100.00%2

95.00%2

100.00%2

-

1 

 China National Offshore Oil Corporation (‘CNOOC’) is entitled to participate at up to a 51% equity level in any commercial development within 

Block 22/12. 

2 

 PNG government may appoint a state nominee to acquire up to a 22.5% participating interest in any commercial development within the PNG  

licence areas.

3 

 On 6 November 2017, Horizon Oil (Papua) Limited, a wholly owned subsidiary of Horizon Oil Limited, entered into a sale and purchase agreement 

with Kumul Petroleum Holdings (Kumul) to acquire a 20% interest in PRL 40 (Puk Puk, Douglas, Weimang and Langia fields) and divest of a 20% 

interest in PRL 28. Consideration for the acquisition was in the form of an exchange. The transaction was completed on 30 April 2019.   

The effective date of the sale and purchase was 31 May 2017.

4   The PRL 21 licensees have applied for a development licence. Tenure remains current, subject to PNG ministerial approval. 

5  Subsequent to 30 June 2019, the PPL 430 licence term expired. The licence had no identified reserves or contingent resources at 30 June 2019.

6 

 The PPL 372 and 373 licensees have applied for an extension and variation of the licences. Tenure remains current, subject to PNG ministerial 

approval. The licences had no identified reserves or contingent resources at 30 June 2019.

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HORIZON OIL LIMITED 2019 RESERVES AND RESOURCES STATEMENT as at 30 June 2019

11

Notes

1 

2 

3 

4 

5 

6 

7 

8 

9 

 All estimates are prepared in accordance with the 
Society of Petroleum Engineers (SPE) Petroleum 
Resources Management System (PRMS) revised 
2007.  

 Relevant terms used in this statement, capitalised or 
otherwise, have the same meaning given to those 
terms in the SPE PRMS. 

 Reserves are those quantities of petroleum 
anticipated to be commercially recoverable by 
application of development projects to known 
accumulations from a given date forward under 
defined conditions.

 Contingent Resources are those quantities of 
petroleum estimated, as of a given date, to be 
potentially recoverable from known accumulations 
by application of development projects, but which 
are not currently considered to be commercially 
recoverable owing to one or more contingencies.

 Contingent Resource estimates quoted for 
China have assumed China National Offshore Oil 
Corporation (‘CNOOC’) participation at 51%. CNOOC 
is entitled to participate at up to a 51% equity level in 
any commercial development within Block 22/12.

 Contingent Resource estimates quoted for PNG 
do not assume PNG State Nominee participation 
at this time. The PNG government may appoint a 
state nominee to acquire up to a 22.5% participating 
interest in any commercial development within the 
PNG licence areas. 

 Liquids are equal to the total of oil, condensate and 
natural gas liquids where 1 barrel of condensate or 
natural gas liquids equals 1 barrel of oil.

 Raw Gas is natural gas as it is produced from the 
reservoir which may include varying amounts of 
heavier hydrocarbons which liquefy at atmospheric 
conditions, water vapor and other non-hydrocarbon 
gases such as hydrogen sulphide, carbon dioxide, 
nitrogen or helium.

 Sales Gas represents volumes that are likely to be 
present in a saleable product.  Sales Gas are reported 
assuming average values for fuel, flare and shrinkage 
considering the variable reservoir fluid properties 
of each constituent field on an energy basis the 
customary unit is PJ. PJ means petajoules and is 
equal to one quadrillion joules.

10 

11 

12 

13 

14 

 Depending on the asset, either deterministic 
estimates or probabilistic estimates have been used 
to calculate the petroleum reserves, contingent 
resources and prospective resources in this 
statement.

 Reported estimates of petroleum reserves and 
contingent resources have been aggregated by 
arithmetic summation by category.

 Estimates are reported according to Horizon 
Oil’s economic interest, this being Horizon Oil’s 
net working interest as adjusted for entitlements 
(Economic Interest Adjustment) under production-
sharing contracts and risked-service contracts; and 
are reported net of royalties and lease fuel up to the 
reference point.  For New Zealand, the reference 
point is defined as the outlet of the Raroa Floating 
Production Storage and Offtake (FPSO) facility.  For 
China the reference point is the exit flange of the 
loading hoses at Weizhou Terminal.

 Horizon Oil employs a Reserves Management 
System to ensure the veracity of data used in the 
estimation process.  This process includes review 
by senior staff where data is endorsed for inclusion 
in the estimating process.  Estimates are reviewed 
annually, at a minimum, with interim reviews as 
required, to respond to any material changes.  
Horizon Oil undertakes semi-regular external reviews 
to complement its own internal process.

 The estimates of petroleum reserves and resources 
contained in this statement are based on, and 
fairly represent, information and supporting 
documentation prepared by staff and independent 
consultants under the supervision of Mr Andrew 
McArdle, Chief Operating Officer of Horizon Oil 
Limited. Mr McArdle is a full-time employee of 
Horizon Oil Limited and is a member of the Society 
of Petroleum Engineers. Mr McArdle’s qualifications 
include a Master of Engineering from the University 
of Western Australia, Australia and more than 15 
years of relevant experience. Mr McArdle consents 
to the use of the petroleum reserves and resources 
estimates in the form and context in which they 
appear in this statement.

15 

 Some totals in the tables may not add due to 
rounding.

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Board of Directors

Mike Harding 
Chairman

Michael Sheridan 
Chief Executive Officer

Gerrit de Nys 
Director

Sandra Birkensleigh 
Director

Gregory Bittar 
Director

Chris Hodge 
Director

Consolidated Results

Revenue from continuing operations

Cost of sales (includes amortisation)

Gross profit

Other income

General and administrative expenses

Exploration and development expenses

Impairment of non-current assets

Financing costs (includes project facility and convertible bonds)

Financing costs (unrealised movements in value of options)

Unrealised movement in value of convertible bond conversion rights

Gain on buyback of convertible bonds during the period

Other expenses

Profit/(loss) before income tax expense

Net tax (expense)/benefit

Profit/(loss) for the financial year

Profit/(loss) attributable to members of Horizon Oil Limited

2019
US$’000

2018
US$’000

2017
US$’000

2016
US$’000

2015
US$’000

122,401

(67,354)

55,047

 4,427 

(5,661)

(4,592)

-

(11,748)

11,157

-

 - 

(221)

48,409

(12,583)

35,826

35,826

100,044

68,534

75,952

103,950

(55,686)

(43,768)

(60,179)

(59,970)

44,358

24,766

15,773

43,980

 835 

(5,985)

(5,761)

 - 

(14,345)

(20,464)

 -

 - 

(218)

(1,580)

(1,019)

(2,599)

(2,599)

 15 

 3,638 

(6,440)

(1,250)

(8,094)

(1,852)

6,842

(7,569)

(16,222)

 - 

(147,515)

 - 

(14,481)

(17,264)

(17,360)

1,400

 530

 - 

(386)

4,154

-

5,322

1,193

(927)

(149,726)

(4,490)

5,201

(336)

(336)

(144,525)

(144,525)

-

9,063

 - 

(983)

17,751

556

18,307

18,307

12

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Activities
Review 2019

Production 

Development 
and Pre-development 

Exploration 

China

Papua New Guinea

Papua New Guinea

Block 22/12 Beibu Gulf

Western Province PNG

Western Province PNG

Horizon Oil Interest

Horizon Oil Interest

Horizon Oil Interest

Production

Exploration 

26.95% 

PDL 10, Stanley Field

30% 

PPL 574

55%

PRL 21, Elevala and Ketu Fields

30.15%* 

PPL 430

PRL 28, Ubuntu Field

30%*

PPL 372

PRL 40, Puk Puk/Douglas Fields

20%

PPL 373

* Operator

* Operator

New Zealand

PMP 38160, Maari and Manaia 
fields, offshore Taranaki Basin

Horizon Oil Interest

Production

26% 

80%* 

100%*

95%*

100%*

13

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14

I

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China

BEIBU GULF

Block 22/12 Beibu Gulf

Production

Exploration 

Horizon Oil 
Interest

26.95% 

55%

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During the year, the Group’s crude oil sales 
from the Beibu Gulf fields increased by 10% 
to 1,290,632 barrels at an average price 
of US$66.31/bbl, exclusive of executed 
hedging. Sales volumes were composed of 
working interest share of production totalling 
1,002,178 barrels, and 288,454 barrels of 
cost recovery oil.  The Group’s share of sales 
volumes over the year was an average of 
3,536 bopd.  Average production over the 
year was 10,188 bopd, of which the Group’s 
working interest share was 2,746 bopd.   

February 2019

i

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N
Z
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Pip elin es to  W eizh o u T er m in al

MR9

MR6A

N

5km

(26.95%)

MR1

MR2

MR7A
MR4

MR8A
MR3

MR5

(26.95%)

MR10

6-12 
Production 
Area

Beibu Gulf

MN1

PAPUA NEW GUINEA

Wellington

Tasman Sea

WZ 12-1

Map Area

NEW
ZEALAND

Auckland

100km

Map Area

Tasman
Sea

500km

Legend

Legend

Producing Oil Field

Oil Field

Discovered Oil Field

Development Area

Legend

Production Area

i
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Legend
H
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Producing Oil Field
i
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Discovered Oil Field
n
O
Development Area
A
n
Production Area
n
u
Oil Pipeline
a
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Gas Pipeline
e
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Proposed 12-8E flowline
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Oil Pipeline

Gas Pipeline

Proposed 12-8E flowline

Oil Field
Oil Producer
Water Injector
Horizon Oil
Petroleum Licence

Oil Producer
12-8
Water Injector
Production Area
Horizon Oil
Petroleum Licence

(26.95%)

N

2km

Producing Oil Field
Discovered Oil Field
Development Area

Production Area

Oil Pipeline

Gas Pipeline

Proposed 12-8E flowline

Legend

Oil Field

Gas Field

PMP 38160
(26%)

WZ 12-3

WZ 12-10-1

WZ 12-8W WHP

Oil Pipeline

MANAIA

Proposed Oil Pipeline

Gas Pipeline

Proposed Gas Pipeline

Rivers

Township

(26.95%)

Horizon Oil Prospecting Licences

Horizon Oil Development/
Retention Licences

N

50km

Wewak
Map Area

Madang

 Proposed
WZ 12-8E WHP

Oil 
Pipeline

Lae

Daru

Gas 
Pipeline
Port Moresby

500km

Gulf of Papua

Block 22/12
12-8 Development Area

WZ 6-12SWZ 6-12NBlock 22/12WZ 12-8EWZ 12-8MWZ 12-8W 
 
 
 
 
 
 
 
 
 
 
 
 
 
China

10% increase in oil sales to 1.3 mmbo with 
underlying production increasing 16%

 Beibu Gulf operating costs  
remained below US$10/bbl

16%

UNDERLYING PRODUCTION