H015 2D CO CRS Poststack Imaging for Walkaway VSP Data M. Von Steht* (University of Karlsruhe) SUMMARY In this paper a new sophisticated design for a processing sequence to analyze walkaway prestack data recorded with the vertical seismic profile (VSP) acquisition geometry will be introduced. My approach is based on the concepts of the common-reflection-surface (CRS) stack theory by Zhang et al. (2001) and aims at the transfer of the poststack imaging concept to the VSP domain with the significant advantages of an increased signal-to-noise ratio improved lateral consistency along interfaces a high degree of automation throughout the processing and


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