New Application of Horizon Flattening Technology with Seismic Data for Exploration and Development in Fula Sub-basin, Muglad Basin, Sudan
2021
Fula Sub-Basin, located in NE of Muglad Basin, is the most important production base for block 6, which is one of the important overseas project of CNPC. With the progress of exploration and development for more than 20 years’, remained traps are limited with small area, deep targets, and complex structure and the difficulty increased for exploration and development. More challenges come out for: when the traps were formed? how did the faults and structures control the reservoirs? what’s the relationship between complex reservoir and fault blocks? All these questions need answers for fault system and paleostructure restoration. Horizon flatten technology is a new technology for structure restoration, but it has not been generally used for overseas projects because of the complexity of the technology. Some new applications of horizon flattening technology with seismic data have been tried for deep study of structure and reservoirs in Fula sub-basin. Horizon flattening technology can be used for not only paleo-structure restoration but also seismic interpretation, fault analysis and reservoir analysis of lower targets. Some cases have been provided and new understandings have been given. These applications are effective and can be popularized to exploration and development in similar sub-basin with complex fault system.
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