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《Chinese Journal of Geophysics》 2007-03
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Prestack seismic data reconstruction using weighted parabolic Radon transform

WANG Wei-Hong~1, PEI Jiang-Yun~2, ZHANG Jian-Feng~11 Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 100029, China2 Exploration & Development Research Institute, Daqing Oilfield Limited Company, Daqing 163712, China  
Weighted Parabolic Radon Transform (WPRT) method for prestack seismic data reconstruction is proposed based on the parabolic assumption of seismic events in CMP gather after the partial NMO. Owing to introducing varying weight coefficients in WPRT, the proposed WPRT can simultaneously regularize and reconstruct the irregular seismic data with a lot of missing traces, which means a very important improvement to the conventional parabolic Radon transform. The implementation of the proposed algorithm is presented for the complex irregular seismic data and the data with missing traces of near and medium offsets. The results of the theoretical model and the field data demonstrate the effectiveness of the method.
【Fund】: 国家杰出青年科学基金(40225010);; 中国科学院重点研究项目(KZCX3-SW-147);; 中国科学院知识创新工程项目(KZCX1-SW-18)资助
【CateGory Index】: P631.44
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