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

Geoscience Australia's Bremer Sub-basin Study, initiated in 2004, aimed to determine if this deep-water frontier area could generate and trap large volumes of hydrocarbons. No wells have been drilled in the sub-basin, with exploration limited to a single regional seismic survey by Esso Australia Ltd in 1974. The study focuses on Middle Jurassic-Early Cretaceous half graben structures identified as potentially prospective for trapping hydrocarbons.

Use Cases

• Assessing hydrocarbon generation potential based on the described geological conditions of the sub-basin.
• Evaluating deep-water exploration risks based on the 100-4000 meter water depth and lack of sub-surface data.
• Identifying prospective trap structures based on the described Middle Jurassic-Early Cretaceous half graben.
• Planning future seismic acquisition campaigns based on the historical 1974 Esso survey mentioned.

Strengths

• Study conducted by Geoscience Australia, a national geoscience agency.
• Focuses on a key frontier area identified in the 2003 New Oil Program.
• Describes specific geological timeframes (Middle Jurassic-Early Cretaceous) and structures (half graben).

Limitations

• Description metadata is limited; actual data quality requires manual inspection after download.
• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.

Provenance

Source

Australian Ocean Data Network

Collection Method

Likely contains interpreted geological and geophysical data from the Bremer Sub-basin Study.

Time Range

Study period from 2004 onward, referencing geological formations from Middle Jurassic-Early Cretaceous.

Freshness

Last updated 2026-06-27 16:45:19.622614; freshness should be verified

Geography

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