A New Method to Extract CSP Gather of Topography for Scattered Wave Imaging

Zhao Pan and Zhang Mei-gen

Discrete Dynamics in Nature and Society, 2017, vol. 2017, 1-7

Abstract:

The seismic method is one of the major geophysical tools to study the structure of the earth. The extraction of the common scatter point (CSP) gather is a critical step to accomplish the seismic imaging with a scattered wave. Conventionally, the CSP gather is obtained with the assumption that the earth surface is horizontal. However, errors are introduced to the final imaging result if the seismic traces obtained at the rugged surface are processed using the conventional method. Hence, we propose the method of the extraction of the CSP gather for the seismic data collected at the rugged surface. The proposed method is validated by two numerical examples and expected to reduce the effect of the topography on the scattered wave imaging.

Date: 2017
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnddns:3579207

DOI: 10.1155/2017/3579207

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