COMMONWEALTH OF AUSTRALIA
Sections 226 and 708
Offshore Petroleum and Greenhouse Gas Storage Act 2006
APPLICATION FOR VARIATION OF A PIPELINE LICENCE – WA-24-PL
I, GRAEME ALBERT WATERS, the National Offshore Petroleum Titles Administrator, on behalf of the Commonwealth–Western Australia Offshore Petroleum Joint Authority hereby give notice pursuant to sections 226 and 708 of the Offshore Petroleum and Greenhouse Gas Storage Act 2006 that an application has been received from
Woodside Energy Ltd.
(ACN 005 482 986)
BP Developments Australia Pty. Ltd.
(ACN 081 102 856)
Chevron Australia Pty Ltd
(ACN 086 197 757)
BHP Billiton Petroleum (North West Shelf) Pty Ltd
(ACN 004 514 489)
Shell Australia Pty Ltd
(ACN 009 663 576)
Japan Australia LNG (MIMI) Pty. Ltd.
(ACN 006 303 180)
for the variation of Pipeline Licence WA-24-PL in the offshore area of Western Australia, as set out below.
Pursuant to subsection 226(3) of the Act, a person may make a written submission to the Titles Administrator about this application within 30 days from the date of this notice.
This notice takes effect on the day on which it appears in the
Australian Government Gazette.
Made under the Offshore Petroleum and Greenhouse Gas Storage Act 2006
of the Commonwealth of Australia.
GRAEME ALBERT WATERS
TITLES ADMINISTRATOR
ON BEHALF OF THE COMMONWEALTH–WESTERN AUSTRALIA
OFFSHORE PETROLEUM JOINT AUTHORITY
APPLICATION FOR VARIATION OF
PIPELINE LICENCE WA-24-PL
The application seeks to effect the following amendments to the licence:
- The proposed variation to the licence covers the system of pipes at the GDA manifold, including the proposed GWF-3 flexible flowlines from the GDA03, GDA04 and GDA05 wells.
GDA03 XT Flowline |
Feature Name | Easting (mE) | Northing (mN) | Bend Radius (m) |
GDA03 Xmas Tree | 381200 | 7819325 | |
TP9 | 381207 | 7819333 | |
IP6 | 381212 | 7819339 | 22 |
TP10 | 381212 | 7819347 | |
IP7 | 381211 | 7819364 | 22 |
TP11 | 381228 | 7819368 | |
IP8 | 381236 | 7819370 | 22 |
TP12 | 381241 | 7819377 | |
TP13 | 382066 | 7820513 | |
IP9 | 382068 | 7820517 | 22 |
TP14 | 382073 | 7820519 | |
TP15 | 382112 | 7820542 | |
IP10 | 382118 | 7820546 | 50 |
TP16 | 382125 | 7820547 | |
GDA Manifold | 382176 | 7820564 | |
GDA04 XT Flowline |
Feature Name | Easting (mE) | Northing (mN) | Bend Radius (m) |
GDA04 Xmas Tree | 383394 | 7820237 | |
TP17 | 383384 | 7820241 | |
TP18 | 383377 | 7820243 | 22 |
IP12 | 383373 | 7820250 | |
TP19 | 383346 | 7820258 | |
IP13 | 383339 | 7820255 | 22 |
TP20 | 383331 | 7820257 | |
TP21 | 382323 | 7820581 | |
IP14 | 382313 | 7820585 | 50 |
TP22 | 382302 | 7820583 | |
TP23 | 382218 | 7820573 | |
IP15 | 382213 | 7820572 | 22 |
TP24 | 382209 | 7820570 | |
IP16 | 382206 | 7820567 | 22 |
TP25 | 382202 | 7820567 | |
GDA Manifold | 382176 | 7820564 | |
GDA05 XT Flowline |
Feature Name | Easting (mE) | Northing (mN) | Bend Radius (m) |
GDA05 Xmas Tree | 379800 | 7818975 | |
TP1 | 379809 | 7818980 | |
IP1 | 379816 | 7818984 | 22 |
TP2 | 379824 | 7818984 | |
IP2 | 379841 | 7818982 | 22 |
TP3 | 379846 | 7818999 | |
IP3 | 379848 | 7819006 | 22 |
TP4 | 379855 | 7819011 | |
TP5 | 381969 | 7820450 | |
IP4 | 381971 | 7820452 | 50 |
TP6 | 381973 | 7820453 | |
TP7 | 382069 | 7820532 | |
IP5 | 382078 | 7820539 | 50 |
TP8 | 382089 | 7820541 | |
GDA Manifold | 382176 | 7820564 | |
2. The Schedule of Specifications is varied only by adding the following under the relevant headings under the existing text:
Design and Construction
The flexible flowlines will be designed and constructed in accordance with the following design standards:
Standard | Title |
API 17B | Recommended Practice for Flexible Pipe |
API 17J | Specification for Unbonded Flexible Pipe |
API 17L1 | Specification for Unbonded Flexible Pipe Ancillary Equipment |
API 17L2 | Recommended Practice for Flexible Pipe Ancillary Equipment |
Basis of Design
The flowlines shall be designed on the following parameters:
Internal diameter | 8 inches |
Design temperature | Maximum: 115 ⁰C |
| Minimum: -30 ⁰C |
Operating temperature | Maximum: 109 ⁰C |
Design pressure | Minimum: 0 bara |
Operating pressure | Maximum: 178 bara |
Design life | 20 years |
Flowline length | GDA03: 1.6 km GDA04: 1.2 km GDA05: 2.9 km |
Pipeline Material
The flowlines will be unbonded flexible pipes with the inner carcass made of AISI 316L stainless steel.
External Corrosion Protection
The flowlines are to be protected from external corrosion by a combination of anti-corrosion coating and a sacrificial anode cathodic protection system.
Overview
The Offshore Petroleum and Greenhouse Gas Storage Act 2006 was enacted to regulate the exploration, production, and storage of offshore petroleum and greenhouse gas, including the licensing of activities and the management of environmental impacts. This Act was introduced to address the need for a comprehensive legal framework governing offshore activities, ensuring sustainable development while protecting the environment. Enacted by the Parliament of Australia, the policy objective of the Act is to balance economic benefits with environmental stewardship in offshore areas. The Act provides the legislative basis for the regulation and oversight of offshore petroleum and greenhouse gas operations, including the issuance and variation of pipeline licences.
In accordance with the Act, the National Offshore Petroleum Titles Administrator, on behalf of the Commonwealth-Western Australia Offshore Petroleum Joint Authority, has issued a notice regarding an application by several entities, including Woodside Energy Ltd., BP Developments Australia Pty. Ltd., Chevron Australia Pty Ltd, BHP Billiton Petroleum (North West Shelf) Pty Ltd, Shell Australia Pty Ltd, and Japan Australia LNG (MIMI) Pty Ltd, for the variation of Pipeline Licence WA-24-PL. The application pertains to modifications at the GDA manifold and includes the proposed GWF-3 flexible flowlines from specific wells. The notice invites written submissions from the public within 30 days and will take effect upon its appearance in the Australian Government Gazette.
Scope and Application
The Offshore Petroleum and Greenhouse Gas Storage Act 2006 applies to the regulation of offshore petroleum and greenhouse gas storage activities in Australia, specifically under the Commonwealth–Western Australia Offshore Petroleum Joint Authority. This Act governs the application for variations of pipeline licences such as the one proposed for the WA-24-PL in the offshore area of Western Australia. The application, made by Woodside Energy Ltd., BP Developments Australia Pty. Ltd., Chevron Australia Pty Ltd, BHP Billiton Petroleum (North West Shelf) Pty Ltd, Shell Australia Pty Ltd, and Japan Australia LNG (MIMI) Pty Ltd, seeks to modify the existing pipeline licence to incorporate proposed GWF-3 flexible flowlines from the GDA03, GDA04, and GDA05 wells. The application encompasses the design and construction standards, basis of design, pipeline material, and external corrosion protection, all in compliance with API standards and other specified parameters. This notice allows for public submissions within 30 days from the date of the notice's publication in the Australian Government Gazette, thereby extending the legislative process to include public consultation.
Key Provisions
The main operative sections of the Offshore Petroleum and Greenhouse Gas Storage Act 2006, particularly sections 226 and 708, are involved in the process of applying for variations to an existing pipeline licence. Section 226 permits the National Offshore Petroleum Titles Administrator to give notice of an application for variation, while section 708 allows for public submissions on such applications. In this case, the application for the variation of Pipeline Licence WA-24-PL pertains to the system of pipes at the GDA manifold, including the proposed GWF-3 flexible flowlines from the GDA03, GDA04, and GDA05 wells.
The obligations and requirements imposed by the Act on the parties involved include adhering to specified design and construction standards, ensuring the pipeline meets certain operational parameters, and protecting the pipeline from external corrosion. The flowlines are to be designed and constructed in accordance with API 17B, API 17J, API 17L1, and API 17L2. The design parameters include an internal diameter of 8 inches, a design temperature range of -30 ⁰C to 115 ⁰C, and an operating pressure range of 0 bar to 178 bar. The pipeline material specified is unbonded flexible pipes with an inner carcass made of AISI 316L stainless steel. Additionally, the flowlines must be protected from external corrosion using a combination of anti-corrosion coating and a sacrificial anode cathodic protection system.
Failure to comply with the provisions of the Offshore Petroleum and Greenhouse Gas Storage Act 2006 can lead to both civil and criminal consequences. Offences under the Act may include unauthorised activities related to the exploration, production, or storage of petroleum or greenhouse gas, which could result in fines and imprisonment. The maximum penalties can vary based on the nature and severity of the offence, but they can include substantial fines and imprisonment terms. For instance, individuals found guilty of serious breaches might face fines up to several million Australian dollars and imprisonment for terms that could extend to several years. Additionally, corporations might face even higher fines, commensurate with the scale of their operations and the severity of the breach.