Geochemical data delineates two distinct petroleum systems in the Northern Bonaparte Basin, offshore Australia. The study correlates oils from the Early Cretaceous Darwin Formation with a marine source and divides commercial Jurassic-sandstone oils into land-plant and marine-influenced families. This dataset, sourced from the Australian Ocean Data Network, may challenge existing models of hydrocarbon migration and prospectivity in the region.
Use Cases
- Classify oil families based on geochemical signatures described for the Laminaria, Corallina, and Bayu-Undan fields.
- Model hydrocarbon migration pathways based on the described correlation between accumulated liquids and source-seal lithologies.
- Assess source rock contributions by analyzing data on the Jurassic Plover and Elang formations and the Cretaceous Echuca Shoals Formation.
- Evaluate prospect risk by comparing geochemical variations tied to the Frigate and Flamingo Group seals.
Strengths
- Data is tied to specific geological formations and fields, providing concrete spatial and stratigraphic context.
- The description details a clear chemical grouping of oils, suggesting a structured analytical framework.
Limitations
- Column-level documentation is absent; field semantics must be inferred after download.
- Row count is unknown, which may limit suitability assessment for large-scale analysis.
Provenance
- Source
- Australian Ocean Data Network
- Collection Method
- Geochemical analysis of oils and source rock extracts from offshore wells.
- Freshness
- Last updated 2026-06-22 23:59:04.224313; freshness should be verified.
- Geography
- Northern Bonaparte Basin, offshore Northern Australia, including the Territory of Ashmore and Cartier Islands and Zone of Co-operation Area A.