Philippines Marine Seismic Survey 1992: Seismic, Sniffer, and Geophysical Data

The Philippines Marine Seismic Survey Project Cruise Report details a joint survey by the Australian Bureau of Mineral Resources and the Philippine Office of Energy Affairs from March to May 1992. It collected 2,750 km of 192-channel seismic data plus geochemical sniffer, gravity, magnetic, and bathymetric data across four offshore basins. The data were intended for processing and integration with existing industry data to analyze petroleum potential.

Use Cases

• Mapping subsurface geological structures based on 2,750 km of seismic reflection data.
• Identifying potential hydrocarbon seeps based on geochemical sniffer anomalies for methane and other gases.
• Analyzing basin geometry and sediment thickness based on deep depocentres with up to 4 seconds of stratified section.
• Correlating geochemical anomalies with known prospects and fault structures mentioned in the report.

Strengths

• Includes 2,750 km of 192-channel seismic data, providing detailed subsurface imaging.
• Multimodal data collection includes seismic, sniffer, gravity, magnetic, and bathymetric measurements.
• Survey conducted during calm weather, which the report states was conducive to collecting low-noise data.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Seismic data acquisition was abandoned at night in some areas due to fishing activities, potentially creating gaps.

Provenance

Source

Australian Ocean Data Network, originating from a joint project of the Australian Bureau of Mineral Resources and the Philippine Office of Energy Affairs.

Collection Method

Data collected via a marine survey using the research vessel Rig Seismic.

Time Range

March to May 1992.

Freshness

Last updated 2026-06-05 07:11:56.374327; freshness should be verified.

Geography

Four Philippine offshore sedimentary basins: NE Palawan Shelf, Cuyo Platform, Tayabas Bay, and Ragay Gulf.