This page belongs to: 2020 offshore petroleum exploration acreage release

Browse Basin

There are 8 release areas in the Browse Basin, offshore north-western Australia.

Release area locations:

  • Caswell Sub-basin
  • Barcoo Sub-basin

Regional geology

Maps and shapefiles

Maps show the release areas in bathymetric detail. They also include other permit locations, known petroleum accumulations and wells. Shapefiles show the areas in vector format for geographic information system software.

See all release area maps in this basin [1.25MB PDF]

View high resolution release area maps:

Download shapefiles of all acreage release areas [127KB ZIP]

Block diagrams

Block diagrams show the coordinates of release area boundaries.

See all block diagrams in this basin [295KB PDF]

View block diagrams:

Block listings

Block listings provide graticular block numbers and 1:1,000,000 map sheet references that identify each release area.

See all block listings in this basin [456KB PDF] [39KB DOCX]

Marine parks and international jurisdictions

The following areas overlap with marine parks and international jurisdictions for commercial fishing.

  • The Indonesia Traditional Fishing Memorandum of Understanding Box overlaps with release areas AC20-6, W20-4, W20-5, W20-6, W20-7 and W20-8.
  • The Kimberley Multiple Use Zone (IUCN VI) overlaps with release areas W20-4 and W20-9.
  • The Cartier Island Sanctuary Zone (IUCN Ia) is near release area AC20-6. Potential bidders are encouraged to review the public consultation submission from the Director of National Parks prior to bidding.

The Western Australia Department of Biodiversity, Conservation and Attractions has published information on state conservation reserves near release areas.

How to bid

Work-program bidding closes on Tuesday 1 June 2021.

Find out how to file your application.

About these files

If you experience any difficulty accessing this information, please email