东方1-1构造底辟模糊区OBN资料关键处理技术及应用

张敏, 邓盾, 李三福, 史文英, 张兴岩, 支玲

Critical processing techniques for ocean bottom node data of the diapir fuzzy zone of the Dongfang 1-1 structure and their application

ZHANG Min, DENG Dun, LI San-Fu, SHI Wen-Ying, ZHANG Xing-Yan, ZHI Ling

图10 FWI速度反演及高精度网格层析反演效果分析 a—初始速度模型;b—主频4.5 Hz折射波FWI;c—主频6 Hz折射波FWI;d—主频8 Hz折射波FWI;e—主频10 Hz折射波FWI;f—主频12 Hz折射波FWI;g—初始速度模型;h—最终速度模型

Fig.10 Effect analysis of FWI velocity inversion and vertical velocity component and high precision grid tomography inversion a—initial velocity model;b—the main frequency 4.5 Hz refracted wave FWI;c—the main frequency 6 Hz refracted wave FWI;d—the main frequency 8 Hz refracted wave FWI;e—the main frequency 10 Hz refracted wave FWI;f—the main frequency 12 Hz refracted wave FWI;g—initial velocity model;h—final velocity model