井中地震黏声逆时偏移的井型影响分析

王霁川, 谷丙洛, 李振春

Effects of well types on the visco-acoustic reverse time migration based on borehole seismics

WANG Ji-Chuan, GU Bing-Luo, LI Zhen-Chun

图3 井中地震波场延拓及逆时偏移原理示意 a—无衰减介质波场正向延拓;b—衰减介质波场正向延拓;c—声波逆时偏移;d—Q补偿逆时偏移

Fig.3 Principles of wavefield propagation and reverse time migration in boreholes seismic a—forward continuation of wave field in non attenuating medium;b—forward continuation of wave field in attenuating medium;c—acoustic inverse time migration;d—Q compensation inverse time migration