Geological Study of the Bremer Sub-basin Offshore Australia

A 2004 study by Geoscience Australia assessed the petroleum potential of the deep-water Bremer Sub-basin. The analysis was based on regional seismic survey data from 1974 and geological modeling, as no wells had been drilled in the area. It aimed to determine if conditions were suitable for generating and trapping hydrocarbons.

Use Cases

• Analyze seismic survey data to identify Middle Jurassic-Early Cretaceous half-graben structures.
• Model geological conditions for hydrocarbon generation and trapping in a 100-4000 meter water depth setting.
• Assess frontier exploration potential using regional geological studies and structural interpretations.

Strengths

• Analysis based on a regional seismic survey covering a frontier area.
• Study conducted by a national geological survey (Geoscience Australia).

Limitations

• No sub-surface well data is available to validate petroleum potential models.
• Primary seismic data is from a single 1974 survey, limiting modern analysis.

Provenance

Source

Geoscience Australia via the Australian Ocean Data Network.

Collection Method

Geological study incorporating seismic survey interpretation and basin modeling.

Time Range

Study focus from 2004 onward, analyzing Jurassic-Cretaceous geology.

Freshness

Study commenced in 2004; metadata last updated in 2026.

Geography

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