Bremer Basin Structure and Hydrocarbon Potential, Offshore Southwest Australia

A 9000 km2 offshore basin on Australia's upper continental slope, likely containing a 10 km thick sedimentary pile in water depths of 200-3000 m. The dataset, published by the Australian Ocean Data Network, includes seismic data interpretations and geological analysis, with a last update recorded on 2026-04-10.

Use Cases

• Model basin structure based on described seismic data grid and inferred basement trends.
• Assess hydrocarbon potential by analogy with the Eyre Sub-basin, using inferred source and reservoir sections.
• Analyze tectonic evolution based on described Jurassic-Cretaceous extension and wrenching events.
• Identify potential hydrocarbon traps based on described wrench-induced anticlines and stratigraphic traps.

Strengths

• Covers a defined area of 9000 km2 with specified water depths of 200-3000 m.
• Includes a grid of seismic data for structural analysis.
• Provides detailed geological inferences, including a likely 10 km thick sedimentary pile and stratigraphic sequences.

Limitations

• Hydrocarbon potential is described as unknown, with uncertainty regarding regional seals and heatflow.
• Row count and column-level documentation are absent; data semantics must be inferred from the report.
• The dataset is not tested by drilling, relying on seismic data and analogies.

Provenance

Source

Australian Ocean Data Network

Collection Method

Likely compiled from seismic survey data and geological interpretation.

Time Range

Geological timeframes inferred: Late Jurassic to Tertiary.

Freshness

Last updated 2026-04-10 21:47:51.085664; freshness should be verified.

Geography

Bremer Basin, upper continental slope of offshore southwest Australia.