基于行波分离的VTI介质逆时偏移

郭旭, 黄建平, 李振春, 黄金强, 朱峰

Reverse time migration in VTI media based on wavefield decomposition

Xu GUO, Jian-Ping HUANG, Zhen-Chun LI, Jin-Qiang HUANG, Feng ZHU

图7 盐丘模型逆时偏移成像结果 a—常规互相关VTI-RTM;b—图a滤波后;c—本文行波分离VTI-RTM;d—图c滤波后;e—本文行波分离后各向同性RTM;f—图e滤波后;g—图a与图c之差

Fig. 7 Reverse time migration imaging results of SEG/EAGE salt model a—conventional cross-correlation VTI-RTM;b—figure a after filtering;c—directional wave separation VTI-RTM;d—figure c after filtering;e—directional wave separation Isotropic-RTM;f—figure e after filtering;g—the difference between figure a and figure c