Application for Grant of a Pipeline Licence - Woodside Energy Ltd., Mitsui E&P Australia Pty Ltd

Administered by Department of Industry, Science and Resources

Legislation au C2017G00108 In force Gazette

Legislation content

 

 

COMMONWEALTH OF AUSTRALIA

 

Section 708

Offshore Petroleum and Greenhouse Gas Storage Act 2006

 

APPLICATION FOR GRANT OF A PIPELINE LICENCE

 

I, TERRENCE JOHN MCKINLEY, Delegate of the National Offshore Petroleum Titles Administrator, on behalf of the Commonwealth–Western Australia Offshore Petroleum Joint Authority hereby give notice pursuant to section 708 of the Offshore Petroleum and Greenhouse Gas Storage Act 2006 that an application has been received from

 

 

 

Woodside Energy Ltd.

(ABN 63 005 482 986)

 

Mitsui E&P Australia Pty Ltd

(ACN 108 437 529)

 

 

for the grant of a pipeline licence for the conveyance of petroleum in the offshore area of Western Australia, as set out below.

 

This notice takes effect on the day in which it appears in the

Australian Government Gazette.

 

Made under the Offshore Petroleum and Greenhouse Gas Storage Act 2006

of the Commonwealth of Australia.

 

 

TERRY MCKINLEY

DELEGATE OF THE TITLES ADMINISTRATOR

ON BEHALF OF THE COMMONWEALTH–WESTERN AUSTRALIA

OFFSHORE PETROLEUM JOINT AUTHORITY

 

 

 

 

 

 

 

 

 

 

ROUTE OF THE PIPELINE

 

The pipeline route is described in the table hereunder, commencing at the tie-in flange for the Laverda Area high boost subsea multi-phase pump (MPP) station and ending at the Remote Emergency Shut-Down Valve (RESDV) on the Ngujima Yin FPSO. Coordinates are based on Geodetic Datum of Australia (GDA94).

Main Pipeline

 

Feature Name

KP*

Easting (mE)

Northing (mN)

Bend Radius (m)

1

Start Point

0

173 111

7 617 098

 

2

Tangent Point (TP) 1

2.911

175 758

7 618 118

 

3

Intersection Point (IP) 1

 

176 973

7 618 576

 

4

TP 2

5.344

177 503

7 619 745

 

5

TP 3

9.437

179 192

7 623 473

 

6

IP 2

 

179 971

7 625 191

 

7

TP 4

12.825

181 854

7 625 289

 

8

TP 5

13.334

182 363

7 625 316

 

9

IP 3

 

182 751

7 625 336

 

10

TP 6

14.107

183 121

7 625 452

 

11

TP7

16.946

185 833

7 626 295

 

12

IP 4

 

186 442

7 626 484

 

13

TP 8

18.204

190 135

7 628 877

 

14

TP 9

20.309

188 526

7 628 266

 

15

IP 5

 

189 221

7 628 860

 

16

TP 10

22.064

190 135

7 628 877

 

17

TP 11

26.614

194 684

7 628 963

 

18

IP 6

 

195 399

7 628 976

 

19

TP 12

28.007

196 016

7 628 617

 

20

End Point

28.410

196 708

7 628 306

 

* KP=Kilometre Point

 

 


SPECIFICATIONS

 

Design and Construction

 

The offshore pipeline must be designed and constructed in accordance with Offshore Standard DNV-OS-F101 – Submarine Pipeline Systems (Offshore Pipeline), which is incorporated in its entirety in Australian Standard AS2885.4 – Pipelines, Gas and Liquid Petroleum (Part 4: Submarine Pipelines). Specifically, the design and construction phase of the pipeline must comply with
DNV-OS-F101.

 

Basis of Design

 

The pipeline design is based on the following parameters:

 

Item

Item Description

Details

1

Design and Construction

Offshore Standard DNV-OS-F101 – Submarine Pipeline Systems (Offshore Pipeline), which is incorporated in its entirety in Australian Standard AS2885.4 – Pipelines, Gas and Liquid Petroleum (Part 4: Submarine Pipelines).

2

Outside diameter of pipe and riser

16” rigid pipeline: 406 mm

3

Wall thickness of pipe and riser (carbon steel)

16” rigid pipeline: 21.44 mm

Buckle arrestor pipes: 23.83 mm

 

5

Length

31 km (approximate)

6

Design life

20 years (approximate)

7

Pipeline Material

Carbon Steel Linepipe

8

Pipeline and Riser Steel Grade

DNV-OS-F101 Grade 450S

9

Maximum Allowable Operating Pressure

16” rigid pipeline: 25.5 MPag

10” flexible production riser: 25.3 MPag

11” flexible production jumper: 34.5 MPag

10

Minimum yield strength of pipe steel

16” rigid pipeline: 450 MPa

10” flexible production riser:

11” flexible production jumper: 450 MPa

11

Design Capacity

Peak oil rate: 60 kstb/d

Peak produced water rate: 104 kstb/d

Peak liquid rate: 111 kstb/d

12

Maximum Operating Temperature

16” rigid pipeline: 86C

10” flexible production riser: 75C

11” flexible production jumper: 86C

13

Maximum Design Temperature

16” rigid pipeline: 92C (5 km upstream and downstream of the Cimatti tie-in)

10” flexible production riser: 75C

11” flexible production jumper: 86C

14

Minimum Design Temperature

16” rigid pipeline: -11C

10” flexible production riser: -10C

11” flexible production jumper: -11C

15

Characteristics of substance proposed to be conveyed

Commingled petroleum (intermediate to heavy

19 API biodegradable oil

16

General plans and descriptions of pump stations, tank stations or valve stations and their equipment

To be confirmed.

17

General plans and description of pigging facilities

Subsea to subsea pigging capability is incorporated into the design via in-line connection onto each FLET on the 16” rigid flowline onto which a subsea pig launcher and receiver will periodically be connected.

18

Cathodic Protection

A sacrificial cathodic protection system will be installed on the main 16” pipeline and in-line structures. Full shell bracelet Aluminium Indium Alloy anodes will be strapped directly onto the pipeline and the MLPP coating will be bare in this section. Anode design and supply will be in accordance with DNV-RP-F103. 

 

Overview

The Offshore Petroleum and Greenhouse Gas Storage Act 2006 was enacted by the Parliament of Australia to provide a legislative framework for the regulation of offshore petroleum and greenhouse gas storage activities. This Act was introduced to address the need for comprehensive and integrated regulation of offshore petroleum and greenhouse gas storage operations, ensuring that such activities are conducted in a manner that is safe, environmentally responsible, and economically efficient. The policy objective of the Act is to facilitate the development of Australia's offshore petroleum resources while protecting the marine environment and ensuring public safety. The Act establishes the legal regime for the exploration, development, and production of offshore petroleum resources, including the granting of titles, licenses, and permits, and sets out the rights and obligations of title holders, license holders, and other participants in the offshore petroleum industry. The Act also includes provisions for the storage of greenhouse gases in offshore geological formations, reflecting Australia's commitment to reducing greenhouse gas emissions and addressing climate change. The enactment of the Offshore Petroleum and Greenhouse Gas Storage Act 2006 by the Australian Parliament signifies a significant step towards the effective and sustainable management of the nation's offshore petroleum resources. The Act provides a robust legal framework that balances the economic benefits of offshore petroleum activities with the need to protect the environment and public safety. By establishing clear regulatory processes and standards, the Act aims to encourage investment in the offshore petroleum sector while ensuring that operations are conducted in a manner that minimises environmental impact and adheres to the highest safety standards. This legislative initiative underscores Australia's commitment to responsible resource management and its role in global efforts to combat climate change through the regulation of greenhouse gas storage.

Scope and Application

The Offshore Petroleum and Greenhouse Gas Storage Act 2006 applies to entities seeking to engage in offshore petroleum activities within the Australian offshore area. Specifically, the Act pertains to the grant of pipeline licences for the conveyance of petroleum, such as the application received from Woodside Energy Ltd. and Mitsui E&P Australia Pty Ltd for a pipeline licence in the offshore area of Western Australia. The application process involves the National Offshore Petroleum Titles Administrator, acting on behalf of the Commonwealth–Western Australia Offshore Petroleum Joint Authority, and the pipeline route details are meticulously described in the Gazette. The geographic reach of this Act is limited to the offshore area of Western Australia, where the specified pipeline is to be constructed. The Act does not detail exclusions, exemptions, or thresholds explicitly in this notice, but the comprehensive design and construction specifications provided indicate a stringent regulatory framework aimed at ensuring safety and compliance with offshore pipeline standards. The application and subsequent licence issuance are subject to the Act and any subordinate instruments that may further define the requirements and conditions for pipeline activities.

Key Provisions

Section 708 of the Offshore Petroleum and Greenhouse Gas Storage Act 2006 (the Act) details the application for a pipeline licence, which in this case, is made by Woodside Energy Ltd. and Mitsui E&P Australia Pty Ltd. The application pertains to the conveyance of petroleum in the offshore area of Western Australia. The pipeline is described to commence at the tie-in flange for the Laverda Area high boost subsea multi-phase pump (MPP) station and terminate at the Remote Emergency Shut-Down Valve (RESDV) on the Ngujima Yin FPSO. Coordinates for the pipeline are based on the Geodetic Datum of Australia (GDA94). The Act mandates that the offshore pipeline must adhere to specific design and construction standards as outlined in Offshore Standard DNV-OS-F101 – Submarine Pipeline Systems (Offshore Pipeline), which is incorporated in its entirety in Australian Standard AS2885.4 – Pipelines, Gas and Liquid Petroleum (Part 4: Submarine Pipelines). This includes compliance with parameters such as the outside diameter of the pipe and riser, wall thickness, material, maximum allowable operating pressure, design life, and operational temperatures, among others. Entities governed by the Act, such as Woodside Energy Ltd. and Mitsui E&P Australia Pty Ltd., must ensure that their pipeline operations are conducted in strict accordance with the specifications and standards outlined in the Act. This includes adhering to the design and construction guidelines, installing a sacrificial cathodic protection system, and incorporating subsea pigging capabilities. Failure to comply with these requirements may result in various consequences, although the specific offences and penalties are not detailed within the text provided. While the document does not explicitly mention the penalties for non-compliance, the Act generally includes provisions for civil and criminal penalties for breaches. These may include fines, imprisonment, or both, depending on the severity and nature of the breach. The maximum penalties would be determined based on the specific provisions of the Act and any relevant regulations or subsidiary legislation.

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Sourced from the Federal Register of Legislation at 26 August 2026. For the latest information on Australian Government law please go to https://www.legislation.gov.au.