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Dual-sensor Enhanced 3D Surface-related Multiple EliminationNormal access

Authors: R. F. Hegge, P. Aaron, S. Barnes and R. van Borselen
Event name: 73rd EAGE Conference and Exhibition incorporating SPE EUROPEC 2011
Session: Seismic Multiple Suppression
Publication date: 23 May 2011
DOI: 10.3997/2214-4609.20149271
Organisations: SPE, EAGE
Language: English
Info: Extended abstract, PDF ( 558.33Kb )
Price: € 20

Summary:
In recent years dual-sensor recording has been introduced to marine seismic acquisition with reported benefits such as the increased band-width of the acquired seismic signal, improved signal-to-noise ratios due to deep-tow streamers, and operational efficiency due to an increased weather window. This abstract describes another advantage of dual-sensor measurements, namely the opportunity it provides to better predict and subtract surface-related multiples from marine seismic data compared to using conventional data acquisition. Using a dataset from offshore Greenland, it is demonstrated that dual-sensor acquisition leads to a more accurate set of predicted multiples with respect to phase and amplitudes. As a result, the adaptive subtraction of the multiples can be carried out in a more constrained and robust manner, leading to better multiple elimination and better primary preservation.


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