面向盐下构造的染色逆时偏移成像

赵国勇, 张剑, 刘畅, 任一, 邢伯申, 李自正, 曲英铭

Staining algorithm-based reverse time migration imaging for pre-salt structures

ZHAO Guo-Yong, ZHANG Jian, LIU Chang, REN Yi, XING Bo-Shen, LI Zi-Zheng, QU Ying-Ming

图16 约束区域染色成像 a—区域染色的虚部速度场;b—基于区域染色的逆时偏移结果;c—基于约束区域染色的逆时偏移结果;d—限时吸收边界条件逆时偏移结果

Fig.16 Constrained area staining imaging a—complex domain velocity of area staining;b—RTM based on area staining;c—RTM based on constrained area staining;d—time-limited absorption boundary condition RTM