| Qingdao Institute of marine geology, China Geological Survey | Host |
| Citation: |
KONG Guoying, LI Aishan, ZHU Yitong, ZHANG Liang, ZHAO Chenlu, DING Pengcheng. Application of interpretation technology of salt-related trap in deepwater compression area offshore Burgos Basin, Mexico[J]. Marine Geology Frontiers, 2022, 38(8): 77-85. doi: 10.16028/j.1009-2722.2021.284
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Application of interpretation technology of salt-related trap in deepwater compression area offshore Burgos Basin, Mexico
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Abstract
The Gulf of Mexico is famous for its rich oil and gas resources. Salt related trap verification is the key issue in basin exploration. Therefore, it is necessary to establish an effective comprehensive interpretation technology. Taking Burgos Basin as the research area, based on seismic, well-logging, and gravity data, the petrophysical properties of salt was studied, after which a set of key technology for salt-related trap interpretation was summarized considering the seismic reflection characteristics of shallow allochthonous salt, deep autochthonous salt, salt feeder, and surrounding formation The technological package includes double-layer salt identification and analysis technology, multi information fault interpretation technology based on seismic and physical model, full 3D horizon interpretation technology based on marker horizon constraint, and salt model discrimination technology based on the integration of processing and interpretation. By applying the technology set, several key targets were interpreted accurately, which is proved by drilling at the A trap with an oil discovery. Therefore, the multi-technology approach can be used as a reference to salt-related trap interpretation and analysis in other similar salt basins.
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References
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KONG Guoying, LI Aishan, ZHU Yitong, ZHANG Liang, ZHAO Chenlu, DING Pengcheng. Application of interpretation technology of salt-related trap in deepwater compression area offshore Burgos Basin, Mexico[J]. Marine Geology Frontiers, 2022, 38(8): 77-85. doi: 10.16028/j.1009-2722.2021.284
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Figure 1.
Location of Burgos Basin in Gulf of Mexico [9]
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Figure 2.
Comprehensive stratigraphic column of Burgos Basin [9]
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Figure 3.
Profile of geological structure of the Burgos Basin
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Figure 4.
3D seismic data interpretation of the study area in Mexico
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Figure 5.
Typical seismic sections and attributes
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Figure 6.
Seismic reflection character and interpretation of deep autochthonous salt unit
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Figure 7.
Comparison between original and optimized interpretation and simulated gravity of autochthonous salt
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Figure 8.
Discrimination of salt feeder and related typical seismic section
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Figure 9.
Slice of seismic attributes along horizon in study area
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Figure 10.
Example of horizon fragment interpretation and fault combination in study area
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Figure 11.
Profiles of different velocity models and main the target structure of Trap A in study area