South Perth Shale Supersequence Palaeogeographic Maps for CO2 Storage Assessment

A 2011 Geoscience Australia project mapped the mudstone facies distribution within the 1900-meter-thick South Perth Shale Supersequence to assess its CO2 sealing potential. The study found sealing capacity varies considerably across the Vlaming Sub-basin, with the effective seal capable of holding a CO2 column of up to 663 meters. This pre-competitive data supports the characterization of containment potential for carbon storage.

Use Cases

• Mapping effective seal distribution for CO2 storage site characterization based on sequence-stratigraphic analysis.
• Evaluating spatial variability of sealing capacity across a basin based on mapped mudstone facies.
• Estimating maximum CO2 column height for containment assessment based on mercury injection capillary pressure tests.

Strengths

• Based on a three-year project initiated in 2011 by Geoscience Australia as part of the National CO2 Infrastructure Plan.
• Applies a sequence-stratigraphic approach to map the distribution of the effective sub-regional seal.
• Includes analysis of sealing capacity with an estimated maximum CO2 column height of 663 meters.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Data may reflect geographic bias inherent to the Vlaming Sub-basin study area.

Provenance

Source

Geoscience Australia, via the Australian Ocean Data Network.

Collection Method

Pre-competitive data collection and analysis as part of a national CO2 infrastructure assessment project.

Time Range

Project started in 2011; references prior assessment from 2006.

Freshness

Last updated 2026-04-16 16:35:12.049860; freshness should be verified.

Geography

Vlaming Sub-basin within the Perth Basin, Western Australia.