Bremer Basin Seismic Survey and Geological Analysis

The Bremer Basin offshore southwest Australia covers 9000 km2 with a sedimentary pile up to 10 km thick. The Australian Ocean Data Network provides this geological report, which analyzes seismic data grids to infer Late Jurassic to Cretaceous deposits and assess hydrocarbon potential. The dataset was last updated in April 2026.

Use Cases

• Model basin structure and evolution using inferred basement structural trends and Mesozoic extension events.
• Assess hydrocarbon trap potential by analyzing wrench-induced anticlines and stratigraphic traps beneath the major angular unconformity.
• Correlate sedimentary sequences by comparing inferred Late Jurassic to Barremian continental deposits with overlying Albian marine deposits.
• Evaluate source rock and reservoir potential by analogy with the Eyre Sub-basin's geological sections.

Strengths

• Covers a defined area of 9000 square kilometers.
• Infers a substantial sedimentary pile thickness of up to 10 kilometers.
• Provides a detailed geological analysis based on a grid of seismic data.

Limitations

• Hydrocarbon potential is explicitly stated as unknown.
• No drilling data is available to confirm geological inferences.
• The report's conclusions are based on analogy with a neighboring basin.

Provenance

Source

Australian Ocean Data Network

Collection Method

Analysis of seismic data grids and geological analogy.

Time Range

Covers inferred Late Jurassic to Tertiary geological periods.

Freshness

Updated in April 2026.

Geography

Bremer Basin, offshore southwest Australia.