An interferometric interpretation of Marchenko redatuming including free-surface multiples

Conference paper (2016)

Authors

M. Staring Applied Geophysics and Petrophysics - CEG
J.R. van der Neut Applied Geophysics and Petrophysics - CEG
C.P.A. Wapenaar Applied Geophysics and Petrophysics - CEG
Research Group
Applied Geophysics and Petrophysics (CEG) (TU Delft)
Copyright: © 2016 M. Staring, J.R. van der Neut, C.P.A. Wapenaar
DOI
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https://doi.org/10.1190/segam2016-13956290.1
Seismic Multiples Correlation autofocusing
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Published Date

2016

Language

English

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Faculty

Civil Engineering & Geosciences

Department

Geoscience and Engineering

Research Group

Applied Geophysics and Petrophysics

Abstract

We present an interferometric interpretation of the iterative Marchenko scheme including both free-surface multiples and internal multiples. Cross-correlations are used to illustrate the combination of causal and acausal events that are essential for the process of multiple removal. The first 4 steps in the scheme are discussed in detail, where the effect of different contributions on the result is displayed and the formation of individual events is illustrated. We highlight the events that are necessary to understand the process that removes both internal multiples and free-surface multiples from the data. We demonstrate that additional contributions are needed to correct for the presence of free-surface multiples.

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