Hydrocarbon Families And Isotopic Compositions From Australia's Northwest Shelf

Australia's Northwest Shelf petroleum basins are analyzed using biomarker and isotopic data from approximately 300 oil and condensate samples and isotopic signatures from around 50 gas samples. The Australian Ocean Data Network compiled this regional synthesis to characterize genetically related hydrocarbon families. The findings were presented at the 2006 AAPG International Conference and Exhibition.

Use Cases

• Classify hydrocarbon families using biomarker signatures from ~300 oil samples.
• Analyze regional trends in gas wetness and non-combustible gas abundance from molecular data on ~1000 gas samples.
• Correlate oils to specific source rock ages (e.g., Triassic-Jurassic) based on geochemical similarity.
• Model secondary alteration processes by interpreting variations in biomarker signatures.
• Interpret source environments (e.g., marine rift-fill vs. fluvio-deltaic) using isotopic signatures (δ13C, δ2H).

Strengths

• Analysis of ~300 oil/condensate samples provides a substantial sample set for family characterization.
• Integration of isotopic data from ~50 gas samples with molecular data from ~1000 gas samples offers a multi-faceted view.

Limitations

• Data is from a 2006 conference presentation, making it temporally stale for current exploration.
• Specific column names and raw sample data are unavailable, limiting direct computational analysis.
• The dataset focuses solely on the Northwest Shelf of Australia, limiting geographic applicability.

Provenance

Source

Australian Ocean Data Network

Collection Method

Statistical characterization of biomarker and isotopic analyses from collected samples.

Time Range

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Freshness

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Geography

Bonaparte, Browse, and Carnarvon basins of Australia's Northwest Shelf.