Simpson Oil Field Development, offshore Abutilon Island, Lowendal Islands, North West Shelf

Proposal description: 

The proposed Simpson Development proposal will make use of three existing wells and one that is the subject of a separate referral.

The development will consist of:

  • the Simpson Alpha offshore mini-platform located at the Tanami-4 and Tanami-5 wells surface location;
  • the Simpson Bravo offshore mini-platform located at the Simpson-1 and Simpson-3H well locations; and
  • a sub-sea pipeline bundle linking the two mini-platforms to each other and to existing facilities on Varanus Island.

The pipeline bundle will consist of:

  • a production pipeline transporting oil, produced formation water and natural gas;
  • a return water pipeline for disposal of produced formation water into an existing deep disposal well;
  • a return gas pipeline containing lift gas; and
  • an umbilical containing corrosion inhibitor chemicals and dry utilities gas (compressed gas used to drive chemical injection pumps and other pneumatic devices).
Assessment Number: 
Referred under EP Act: 
Industry sector: 
Last updated: 
August 25, 2005
Current Status: 
Ministerial Statement published
Ministerial Statement published
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