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COVID-19 Updates for resources sector: fee relief | To report a serious incident to DEM, as required by Section 85(2) of the Petroleum and Geothermal Energy Act 2000, licensees should contact the serious incident reporting hotline on: (08) 8463 6666. For more information please visit the Compliance and Monitoring webpage | DEM-ERD has just released the first “Basin in a Box” data-package covering the Simpson and Pedirka Basins. The dataset is available via the “Data and Publications” page. Each package is a consolidated set of seismic and well data to facilitate new ventures and exploration assessments of frontier basins in South Australia. Data releases for other frontier basins will follow. | Changes to data submission requirements during COVID-19 restrictions. For further information see here.

Extensive mapping was undertaken between 1992 and 1994 to provide explorers with a comprehensive view of the structure of the Otway Basin. Four key seismic horizons have been mapped using existing open file seismic sections and industry interpretations, and tied to the network of 50 wells in the basin.

These horizons – Top Sherbrook Group (late Cretaceous), Top Eumeralla Formation (early Cretaceous), Top Crayfish Group (early Cretaceous) and Top Basement (early Palaeozoic) generally divide the basin into megasequence units. Horizon maps have been converted to depth and a range of isopach maps have been prepared.

Many of the maps from this mapping are included in the publication Petroleum Geology of South Australia - Volume 1 - the Otway Basin (PDF 25MB)

An example of what is available:

Top Eumeralla Formation Depth Map


Purchase Information

A comprehensive list of the mapped horizons and thickness maps is contained in the Otway Seismic Mapping. A packaged data set is also available at discounted rates as indicated in the available products and price listing:

To order a copy of these data email

For more information, contact:

Iain Campbell
Chief Geophysicist

Phone: + 61 8 8429 2465