SYSTEM AND METHOD FOR VELOCITY ANALYSIS IN THE PRESENCE OF CRITICAL REFLECTIONS
专利汇可以提供SYSTEM AND METHOD FOR VELOCITY ANALYSIS IN THE PRESENCE OF CRITICAL REFLECTIONS专利检索，专利查询，专利分析的服务。并且A method is described for processing residual moveout in seismic image data gathers representing critical reflections. The method includes receiving seismic image data arranged as a function of an angle or offset parameter including a high-velocity-contrast event with post-critical. The method also includes applying a wavelet de- stretch filter (32) to the seismic data to correct wavelet stretching. The method also includes applying a fan-filter (33) to remove coherent noise in the one or more post-critical traces; picking residual moveout (34) of the high-velocity-contrast event; adjacent-trace differencing (35) to detect the impact of phase change at critical reflections in residual moveouts, and applying a median-filter (36) to the residual moveout to reduce the impact of phase change of the high-velocity-contrast event in the one or more post-critical traces. The median-filtered and reconstructed residual moveout (37) is used for improving a velocity model (38A) used for generating the seismic image gathers (30A).，下面是SYSTEM AND METHOD FOR VELOCITY ANALYSIS IN THE PRESENCE OF CRITICAL REFLECTIONS专利的具体信息内容。
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