Bremer Sub-basin Geology and Petroleum Potential Study

Geoscience Australia's Bremer Sub-basin Study, commenced in 2004, investigates the petroleum potential of this deep-water frontier area offshore southwestern Australia. The dataset includes analysis of a 1974 regional seismic survey and geological studies identifying Middle Jurassic-Early Cretaceous structures. No wells have been drilled in the sub-basin, making this a foundational study for a largely unexplored region.

Use Cases

• Identify prospective hydrocarbon trapping structures based on described half-graben formations.
• Assess exploration risk in deep-water settings (100-4000 m) based on the geological conditions analysis.
• Plan future seismic acquisition or drilling campaigns based on the 1974 survey data and subsequent study findings.

Strengths

• Focuses on a key frontier area identified in Geoscience Australia's 2003 New Oil Program.
• Includes analysis of a foundational 1974 regional seismic survey by Esso Australia Ltd.
• Study commenced in 2004 with a specific aim to assess hydrocarbon generation and trapping conditions.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Data is based on a single 1974 seismic survey and surface studies, with no sub-surface well data.

Provenance

Source

Australian Ocean Data Network, likely via Geoscience Australia.

Collection Method

Analysis of seismic survey data and geological studies.

Time Range

Study focuses on Middle Jurassic-Early Cretaceous geology, with modern analysis from 2004 onward.

Freshness

Last updated 2026-04-10 21:31:37.080521; freshness should be verified.

Geography

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