Browse Basin Hydrocarbon Sources via GCxGC-TOFMS and Diamondoid CSIA

The Browse Basin offshore Northwest Australia is a major hydrocarbon province. This dataset likely contains results from comprehensive two-dimensional gas chromatography and compound-specific isotope analyses of diamondoids and other hydrocarbons, used to unravel complex charge histories. The data was published by the Australian Ocean Data Network and last updated in 2026.

Use Cases

• Identifying mixed hydrocarbon sources in oil accumulations based on diamondoid concentrations and ratios.
• Assessing thermal maturity and biodegradation effects on fluids using diamondoid and biomarker parameters.
• Reconstructing basin charge history by correlating isotopic compositions of specific compounds like methyladamantanes.

Strengths

• Analysis uses GCxGC-TOFMS, which minimizes interference from co-eluting compounds as noted in the description.
• Focuses on diamondoids, described as source-specific and highly resistant to thermal maturity and biodegradation.
• Compares non-biodegraded (Caswell) and biodegraded (Cornea, Gwydion) oil fields from a defined geographic region.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Data is provided in PDF format, which may complicate direct computational analysis.

Provenance

Source

Australian Ocean Data Network via data_gov_au

Collection Method

Likely contains analytical results from comprehensive two-dimensional gas chromatography coupled to time-of-flight mass spectrometry (GCxGC-TOFMS) and compound-specific isotope analyses (CSIA).

Freshness

Last updated 2026-06-27 20:35:38.213043; freshness should be verified.

Geography

Browse Basin, offshore Northwest Australia.