Bremer Sub-basin Geology and Petroleum Potential Study, Offshore Southwestern Australia

Geoscience Australia's study of the Bremer Sub-basin, a deep-water frontier area for petroleum exploration offshore southwestern Australia. The study, which commenced in 2004, aimed to determine the sub-basin's geological conditions for hydrocarbon generation and trapping, based on a regional seismic survey from 1974 and identification of Middle Jurassic-Early Cretaceous structures. No exploration wells had been drilled in the area prior to the study.

Use Cases

• Assessing hydrocarbon trap potential based on identified Middle Jurassic-Early Cretaceous half-graben structures.
• Evaluating frontier exploration risks based on the deep-water setting (100-4000 m) and historical lack of subsurface data.
• Planning regional seismic interpretation workflows based on the 1974 Esso Australia Ltd survey mentioned.
• Modeling basin evolution and hydrocarbon generation conditions for the Bight Basin region.

Strengths

• Study conducted by Geoscience Australia, a national geological survey organization.
• Focuses on a defined frontier area identified under the New Oil Program in 2003.
• Analysis is based on a specific regional seismic survey from 1974.

Limitations

• Row count is unknown, which may limit suitability assessment.
• Column-level documentation is absent; field semantics must be inferred after download.
• Data may reflect temporal bias inherent to the 1974 seismic survey and subsequent 30-year exploration gap.

Provenance

Source

Geoscience Australia Data

Collection Method

Geological study incorporating seismic survey interpretation and basin analysis.

Time Range

Study commenced in 2004; incorporates data from a 1974 survey and focuses on Jurassic-Cretaceous geology.

Freshness

Last updated 2026-05-14 08:47:02.080870; freshness should be verified.

Geography

Bremer Sub-basin, part of the Bight Basin, offshore southwestern Australia.