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Book Chapter

Post-stack velocity analysis in the dip-angle domain using diffractions

By
Moshe Reshef
Moshe Reshef
^Department of Geophysics, Tel-Aviv University, Ramat Aviv, Tel-Aviv 69978, Israel, 2Landmark Graphics Corporation, 1805 Shea Center Drive, Suite 400, Highlands Ranch, CO 80129, USA, and 3 Applied Geophysical Research Group (OPERA), IFR, rue Jules Ferry, 64000 Pau, France Received June 2008, revision accepted October 2008
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Evgeny Landa
Evgeny Landa
^Department of Geophysics, Tel-Aviv University, Ramat Aviv, Tel-Aviv 69978, Israel, 2Landmark Graphics Corporation, 1805 Shea Center Drive, Suite 400, Highlands Ranch, CO 80129, USA, and 3 Applied Geophysical Research Group (OPERA), IFR, rue Jules Ferry, 64000 Pau, France Received June 2008, revision accepted October 2008
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Published:
January 01, 2016

Abstract

Interval velocity analysis in complex geological areas is often considered as an unresolved problem. A novel approach to improve the velocity analysis process is to perform the analysis in a non-conventional domain and to use seismic events that are usually ignored during standard data processing and imaging. In this study, a method to analyse diffraction data for migration velocity analysis in the time- or depth-domain is presented. The method is based on the clear distinction between diffractions and reflections in the post-migration dip-angle domain. The attractive possibility to perform the analysis, using only stacked data as an input, is demonstrated on synthetic and real data examples.

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Contents

Society of Exploration Geophysicists Geophysics Reprint Series

Seismic Diffraction

Kamil Klem-Musatov
Kamil Klem-Musatov
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Henning Hoeber
Henning Hoeber
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Michael Pelissier
Michael Pelissier
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Tijmen Jan Moser
Tijmen Jan Moser
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Society of Exploration Geophysicists
Volume
30
ISBN electronic:
9781560803188
Publication date:
January 01, 2016

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