Geochemistry of Dew Point Petroleum Systems in Australia's Browse Basin

A geochemical analysis of dew point petroleum systems in the Browse Basin offshore Australia. The dataset likely contains detailed geochemical fingerprints, biomarker assemblages, and fluid properties for four Mesozoic petroleum systems. It was published by the Australian Ocean Data Network and last updated in May 2026.

Use Cases

• Correlating petroleum systems based on geochemical fingerprints mentioned in the description
• Analyzing the relationship between dew point pressure and condensate-gas ratio (CGR) for different fluid families
• Assessing thermal maturity differences between hydrocarbon accumulations using calculated vitrinite reflectance
• Identifying source rock origins based on biomarker assemblages like C29 sterane and C19 tricyclic triterpane
• Mapping the distribution of gas-condensate and oil rim formations within a basin

Strengths

• Identifies four distinct Mesozoic petroleum systems with geochemical fingerprints
• Provides specific geochemical metrics such as gas dryness (91%), API gravity (47-53°), and ideal CGR ranges (7-52 bbl/MMscf)
• Includes calculated vitrinite reflectance values (e.g., 0.77% and 1.18%) to indicate thermal maturity

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

Combined geochemical studies of source rocks and fluids with petroleum systems analysis

Freshness

Last updated 2026-05-05 01:26:49.357047; freshness should be verified

Geography

Browse Basin, offshore Australia's North West Shelf