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Australian petroleum accumulations report. Otway Basin, South Australia, Victoria and Tasmania

Created 16/10/2025

Updated 16/10/2025

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As at 31 December 1989 the Otway Basin, which is located along the southeast margin of the Australian mainland, was known to contain a total of seven economic and six subeconomic petroleum and non-petroleum gas accumulations. All have been discovered since the late 1950s as a result of petroleum exploration drilling. Three accumulations have been or could be used as a source of petroleum natural gas or carbon dioxide: the North Paaratte gas accumulation in Victoria and the Caroline carbon dioxide accumulation in South Australia, both of which are currently being exploited, and the Wallaby Creek gas accumulation in Victoria, which has been identified by permit holders as an accumulation likely to be developed in the future (1992-1994). In addition, the Katnook and Ladbroke Grove gas accumulations in South Australia are being considered for development in the near future. The initial petroleum reserves of the Otway Basin as at 31 December 1988 are estimated to be 0.483 billion cubic metres of sales gas and 0.002 million kilolitres of condensate (not including the reserves of the Katnook and Ladbroke Grove accumulations). Production from the Caroline carbon dioxide accumulation commenced in 1968, and this field continues to supply this commodity much of the South Australian and Victorian markets. Production of natural gas from the North Paaratte accumulation commenced in August 1986. This field supplies domestic and industrial users in Warrnambool, Victoria.

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Field Value
Title Australian petroleum accumulations report. Otway Basin, South Australia, Victoria and Tasmania
Language eng
Licence Not Specified
Landing Page https://data.gov.au/data/dataset/a82f68af-36b8-4596-98b3-cf4daa5c625a
Contact Point
Geoscience Australia Data
clientservices@ga.gov.au
Reference Period 20/04/2018
Geospatial Coverage
Map data © OpenStreetMap contributors
{
  "coordinates": [
    [
      [
        136.7,
        -41.3
      ],
      [
        145.0,
        -41.3
      ],
      [
        145.0,
        -36.8
      ],
      [
        136.7,
        -36.8
      ],
      [
        136.7,
        -41.3
      ]
    ]
  ],
  "type": "Polygon"
}
Data Portal Geoscience Australia

Data Source

This dataset was originally found on Geoscience Australia "Australian petroleum accumulations report. Otway Basin, South Australia, Victoria and Tasmania". Please visit the source to access the original metadata of the dataset:
https://ecat.ga.gov.au/geonetwork/srv/eng/csw/dataset/australian-petroleum-accumulations-report-otway-basin-south-australia-victoria-and-tasmania