The separation of P- and S-wave from crosswell seismic data

摘要：

Multicomponent seismic exploration is one of the most important products in geoscience during the latest decade.In the process of multicomponent seismic data processing,parameter distilling,combined explanation with p- and s-wave,and wavefield separation are all absolutely necessary links.This paper emphasizes on the characteristic of the crosswell wavefield.Firstly,according to the apparent velocity difference between p-wave and s-wave,we can use the τ-p transform to separate upgoing wave from downgoing wave in frequency-space domain.Secondly,using the polarization rotate transform,the p-wave and s-wave are to be separated from both the upgoing wave and downgoing wave respectively.At last,we plus the two p-waves (or s-waves) and regard it as the finally result of s-wave (or p-wave).The tests on two models illuminate that this wavefield separation method processes efficiency of computation and high resolution.

关键词： τ-p transform Polarization rotation wavefield separation

作者: Weibing He Jiangping Liu

作者单位: Institute of Geophysics & Geomatics,China University of Geosciences,Wuhan 430074,China

会议类型: 国际会议

会议名称: The 3rd International Conference on Environmental and Engineering Geophysics(第三届环境与工程地球物理国际会议)

会议地点: 武汉

会议语种:英文

页码: 138-141

在线出版日期: 2008-06-15（万方平台首次上网日期，不代表论文的发表时间）