This page belongs to: 2021 offshore petroleum exploration acreage release

Bonaparte and Browse Basin

There are 4 release areas in the Bonaparte and Browse Basin, offshore Northern Australia.

Release area locations:

  • Vulcan Sub-basin
  • Londonderry High
  • Yampi Shelf

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 (GIS) software.

See all release area maps in these basins [1.24MB PDF]

View high resolution release area maps:

Download shapefiles of all acreage release areas [87KB ZIP]

Block diagrams

Block diagrams show the coordinates of release area boundaries.

See all block diagrams in these basins [424KB 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 these basins [128KB PDF] [38KB DOCX]

Marine parks and international jurisdictions

The following areas overlap with marine parks and international jurisdictions.
•    The 1997 Perth Treaty area overlaps with release area W21-1
•    The Oceanic Shoals Multiple Use Zone (IUCN VI) overlaps with release area W21-1
•    The Kimberley Multiple Use Zone (IUCN VI) overlaps with release area W21-3

How to bid

Work-program bidding closes on Thursday 3 March 2022.

Find out how to file your application.

Foreign investors need to submit evidence of a Foreign Investment Review Board decision with the application.

About these files

If you experience any difficulty accessing this information, please email