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Tomography and Imaging Approaches for 3D-VSP – Examples from Thunder Horse South Field Normal access

Authors: P. Bicquart, L. Morley, S. Leaney, N. Hirabayashi, M. Craven, A. Ray and B. Hornby
Event name: 67th EAGE Conference & Exhibition
Session: Wellbore Data Acquisition and Interpretation
Publication date: 13 June 2005
Organisations: SPE, EAGE
Language: English
Info: Extended abstract, PDF ( 1.24Mb )
Price: € 20

I024 TOMOGRAPHY & IMAGING APPROACHES FOR 3D-VSP: EXAMPLES FROM THUNDER HORSE SOUTH FIELD Summary: 1 PAUL BICQUART 1 LARRY MORLEY 1 SCOTT LEANEY 2 NOBUYASU HIRABAYASHI 2 MICHAEL CRAVEN 2 AMAL RAY 3 BRIAN HORNBY 3 In order to gain a better understanding of the merits of different VSP processing approaches we examine tomography and imaging techniques for the Thunder Horse 3D-VSP. Our imaging methods fall broadly into two categories: Kirchhoff and Wave-Equation Migration (WEM). For the WEM methods we examine both explicit finite difference (Explicit) and PSPI (Phase Shift Plus Interpolation) wavefield extrapolation schemes. Since walkaway VSP data contain

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