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Seismic Reservoir Prediction Methods for Different Sedimentary Sand Bodies in Continental Rift

  

  1. Cui Yongqian1,2, Shao Longyi1, Lu Yonghe2, Wang Xueping2, Wang Menghua2, Hu Jinkuan2//1. China University of Mining & Technology, Beijing 100083; 2. Geophysical Exploration Institute of PetroChina Huabei Oilfield Company, Renqiu City, Hebei Province 062552
  • Published:2010-04-15

Abstract: Continental rift has such sedimentary features as multi-provenance, proximal provenance, narrow facies belt and frequent change, so it is ready to deposit multiple sand bodies. Multivariant sedimentation types provide favorable conditions for the formation of lithostratigraphic hydrocarbon reservoirs.However, complex geologic characteristics and geophysical response bring difficulties to the application of seismic data to reservoir predication, and thereby influence exploration results. Based on the geological and geophysical characteristics of four main sedimentary sand bodies in continental rifts, i.e. the delta front sand body,the fan-delta sand-conglomerate, the lake floor fan glutenite, and the fluvial sand body, the seismic reservoir prediction methods and technical route are studied and are proved to have higher accuracy and coincidence after being verified by practical application and data.

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