Complex fault-block traps identification with structure-oriented filter
Zhao Ming-zhang1,2,4, Fan Xue-hui3, Liu Chun-fang3, Yu Jing-bo3, Shi Cai-juan3, He Li-hong3, Chen Zhi-gang3, Song De-cai3
1. University of Science & Technology Beijing, Beijing, 100083, China;
2. CNODC, Beijing, 100034, China;
3. BGP Geological Research Center, Zhuozhou, Hebei, 072751, China
Abstract：Structure-oriented filter is a smooth operatorto seismic events that does not operate beyond event terminations.The purpose of the filter is to strengthen continuity of seismic events,to enhance the lateral resolution of the reflection terminations,and to save or improve the fault sharpness.Small faults could be highlighted by coherence attributes of seismic data after structure-oriented filtering.In this paper,structure-oriented filter is applied to seismic data in order to deal with developed faults,complex fault-blocks and complicated structures of Structure R in Bongor Basin.More than 30 small faults and 10 complex fault-blocks are identified through coherence volume analysis on the basis of the filtered data.Wells are deployed and good results are achieved.
