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Premigration Ghost Wavefield Elimination on Different Cable Configurations - A Case Study in the Gulf of Mexico
- Publisher: European Association of Geoscientists & Engineers
- Source: Conference Proceedings, 76th EAGE Conference and Exhibition 2014, Jun 2014, Volume 2014, p.1 - 5
Abstract
Summary
Premigration Ghost Wavefield Elimination (GWE), or premigration deghosting, has emerged as a key preprocessing step for broadening the bandwidth of marine streamer data. We apply a tau-p domain premigration bootstrap approach to eliminate the ghost wavefield on 2D data sets acquired using four different cable profiles in the Green Canyon planning area of the U.S. Gulf of Mexico. The effectiveness of the approach for all cable configurations is demonstrated, in particular in improved subsalt imaging and free-surface multiple attenuation.
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