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Detailed Surface Multiple Prediction Using Split-spread Broadband Seismic Marine Data in a Complex Sea Floor EnvironmentNormal access

Authors: A. Pica, R. Sablon, J. Deprey, S. Le Roy, R. Soubaras, M. Chambefort, G. Henin, V. Danielsen, E. Dhelie and J. Lie
Event name: 80th EAGE Conference and Exhibition 2018
Session: Multiple Attenuation and Manipulation / Imaging I
Publication date: 11 June 2018
DOI: 10.3997/2214-4609.201801066
Organisations: EAGE
Language: English
Info: Extended abstract, PDF ( 859.42Kb )
Price: € 20

Summary:
o 3D wave-equation based multiple modeling to fully benefit from the available rich subsurface reflectivity representation. Along with this, an innovative and specific implementation of wave equation modelling enabled the construction of diffracted multiples “only” models. These separated models were fed into a multi-model adaptive subtraction using AVO-driven primary models as a constraint to preserve primary information (especially low frequencies). The ensemble lead to improved demultiple results.


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