This page belongs to: 2021 offshore greenhouse gas storage acreage release

Northern Carnarvon Basin

There are 2 release areas in the Northern Carnarvon Basin, offshore Western Australia. They are both are located in the Dampier Sub-basin.

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 the release area map for this basin [722KB PDF]

View high resolution release area map [7.55MB JPEG]

Download shapefiles of all acreage release areas [29KB ZIP]

Block diagrams

Block diagrams show the coordinates of release area boundaries.

See the block diagrams for this basin [108KB PDF] [230KB JPEG]

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 for this basin [87KB PDF] [35KB DOCX]

Marine environment

The following areas overlap with biologically important areas.

  • GHG21-4 overlaps with whale shark, wedge-tailed shearwater and pygmy blue whale habitat.
  • GHG21-5 overlaps with flatback turtle, whale shark, wedge-tailed shearwater, humpback whale and pygmy blue whale habitat.

The following areas overlap with key ecological features.

  • GHG21-4 overlaps with the Glomar shoals and the ancient coastline at 125 metre depth contour.
  • GHG21-5 overlaps with the Glomar shoals.

Wells within the area

You may be required to remediate a well to ensure safe injection and permanent storage of carbon dioxide (CO2) into a storage formation.

The gazette notice inviting applications lists the wells located within GHG21-4 and GHG21-5.

Bidding information

You can submit a work-bid application to NOPTA between Friday 4 March 2022 and Thursday 10 March 2022.

Find out how to file your application.

See key information when planning your bid.

If you experience any difficulty accessing this information, please email