Abstract:

In South China Sea, seismic data processing in this area is very difficult due to the complex geological structure, rapid speed variation, multiple wave and anisotropy in the region. In order to improve the quality of seismic data imaging in the deep water zone of Baiyun 6-1 working area, we introduced prestack seismic data processing technology series based on anisotropic media . The technology series is mainly composed of threedimensional GSMP, anisotropic velocity field analysis and anisotropic time migration technology. The application results show that the multiple wave model established through GSMP can effectively suppress multiple wave and make the profile more significantly. Anisotropic velocity field analysis can better describe the geological information. Energy is focused on the fault of the section based on anisotropic time migration technology process. Eventually the technology series improves the image quality of seismic data.

Key words: anisotropic media, 3D GSMP technology, multiple, anisotropic migration, velocity field analysis