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Gorgon Gas Development Revised and Expanded Proposal: Barrow Island Nature Reserve

Project
Proponent: 
Chevron Australia Pty Ltd
Proposal description: 

The construction of facilities for the development of the Greater Gorgon Gas Fields on the North-West Shelf, and the processing and export of the gas at a liquefied natural gas plant to be constructed on Barrow Island.

Assessment Number: 
1727
Region: 
Pilbara
Referred under EP Act: 
s38
Industry sector: 
Oil and gas
Last updated: 
November 25, 2024
Current Status: 
Ministerial Statement published
Ministerial Statement published
2. Decision on whether to assess this proposal
Chair's Determination: 
Assess - Public Environmental Review
Extract of determination: 
PDF icon 1727-ChairDets-170308.pdf
Preliminary Environmental Factors: 
Benthic Communities and Habitats
Marine Fauna
Flora and Vegetation
Terrestrial Fauna
Date published: 
Monday, 17 March, 2008
3. Assessment
Environmental Review
Public submissions: 
Monday, 15 September, 2008 to Monday, 10 November, 2008
Environmental Review documentation: 
PDF icon PER document
PDF icon Appendices to the PER document
Proponent response to submissions: 
PDF icon Gorgon Response to submissions
4. EPA Report on assessment
EPA Report Number: 
1323
EPA Report: 
PDF icon Gorgon Gas Development Revised and Expanded Proposal: Barrow Island Nature Reserve
Key Environmental Factors: 
Benthic Communities and Habitats
Coastal Processes
Marine Environmental Quality
Marine Fauna
Land
Flora and Vegetation
Landforms
Subterranean Fauna
Terrestrial Environmental Quality
Terrestrial Fauna
Date published: 
Thursday, 30 April, 2009
Appeals close: 
Thursday, 14 May, 2009
5. Decision on proposal and implementation of proposal
Ministerial Statement
Date of approval: 
Monday, 10 August, 2009
Ministerial Statement: 
PDF icon Ministerial Statement 800.pdf
Post-assessment changes
S46C changes to conditions: 

Attachment 6 to Statement 800 – Amendment to Condition 17 - change to proposal approved under s46C on 31 May 2011.

Attachment 7 to Statement 800 – Amendment to condition 23A.3 ix – change to proposal approved under section 46C on 25 June 2013.

Date S46C: 
Tuesday, 31 May, 2011
Tuesday, 25 June, 2013
Section 46 inquiry: 
Gorgon Gas Development Revised Proposal, Barrow Island, North West Shelf (s46)
Gorgon Gas Development Revised and Expanded Proposal: Barrow Island Nature Reserve (s46) [2490]
s. 45C amendments: 

Attachment 1 to Statement 800 - Change to clarify that discharge of waste from marine vessels will be in accordance with MARPOL 73/78. Change to proposal approved under s45C on 23 February 2010.

Attachment 2 to Statement 800 - Change to development and usage of boil off gas flares and increase of seawater volume intake during the construction period. Change to proposal approved under s45C on 26 February 2010.

Attachment 3 to Statement 800 - Use of seawater for construction earthworks on the LNG treatment plant site. Change to proposal approved under s45C on 23 March 2010.

Attachment 4 to Statement 800 - Increase in construction duration and construction workforce – change to proposal approved under s45C on 29 April 2011.

Attachment 5 to Statement 800 – To modify the carbon dioxide (CO2) pipeline from an above ground installation to a buried installation - change to proposal approved under s45C on 2 June 2011.

Attachment 8 to Statement 800 - Deletion of construction duration and construction workforce detailed in Attachment 4 and correction of clerical error in Attachment 5 – change to proposal approved under section 45C on 26 June 2013.

Attachment 9 to Statement 800 - The temporary venting or flaring of gas liberated during the monoethylene glycol (MEG) regeneration process (MEG flash vapours) until the completion of commissioning of piping to route the MEG flash vapour to the condensate stabilisation overhead unit or until 31 December 2021 (whichever is earlier), and after that time when normal operations are not available (i.e. during periods of process shut-down and start-up, and upset conditions) – change to proposal approved under section 45C on 3 April 2020.

Attachment 10 to Statement 800 - Amendment of descriptions of Feed Gas Pipeline System and shore crossing to incorporate additional power/control infrastructure; Describe shore crossing point of domestic gas pipeline; Amendments to Schedule 3, removing items 6 (Carbon Dioxide Injection System) and 10 (Greenhouse Gas Abatement) as they are no longer relevant. Changes approved under s.45C on 24 October 2022.

Attachment 11 to Statement 800 - An additional pressure management drill centre (DC-F) and additional wells for pressure management, pressure management water injection, anode and reservoir surveillance at existing drill centres (DC-A and DC-C). Changes approved under s.45C on 28 September 2024.

Attachments: 
PDF icon Attachment 11 - Notice and Summary of Reasons.pdf
Date of approval s. 45C: 
Tuesday, 23 February, 2010
Friday, 26 February, 2010
Tuesday, 23 March, 2010
Friday, 29 April, 2011
Thursday, 2 June, 2011
Wednesday, 26 June, 2013
Friday, 3 April, 2020
Monday, 24 October, 2022
Saturday, 28 September, 2024

Source URL:https://www.epa.wa.gov.au/proposals/gorgon-gas-development-revised-and-expanded-proposal-barrow-island-nature-reserve