Premigration deghosting for marine streamer data using a bootstrap approach in tau-p domain (2013)

PreviousNext No AccessSEG Technical Program Expanded Abstracts 2013Premigration deghosting for marine streamer data using a bootstrap approach in tau-p domainAuthors: Ping WangSuryadeep RayCan PengYunfeng LiGordon PoolePing WangCGG, Suryadeep RayCGG, Can PengCGG, Yunfeng LiCGG, and Gordon PooleCGGhttps://doi.org/10.1190/segam2013-0225.1 SectionsAboutPDF/ePub ToolsAdd to favoritesDownload CitationsTrack CitationsPermissions ShareFacebookTwitterLinked InRedditEmail Abstract Removing the receiver ghost before migration provides better low and high frequency response as well as a higher signal-to-noise ratio. We recognize these benefits for preprocessing steps like multiple suppression and velocity analysis. In this paper, we modify a previously published bootstrap approach that self-determines its own parameters for receiver deghosting in a t – x window. Similarly to the t – x bootstrap method, the recorded data is first used to create a mirror data set through a 1D ray-tracing-based normal moveout correction method. The recorded and mirror data are then transformed into τ – p domain and used to jointly invert for the receiver-ghost-free data. We apply this new algorithm to two field data sets with: 1) constant streamer depth of 27 m; and 2) variable streamer depth from 10 to 50 m. Our deghosting method effectively removes the receiver ghost, and the resulting image has broader bandwidth and a higher signal-to-noise ratio. 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using a bootstrap approach in tau-p domain," SEG Technical Program Expanded Abstracts : 4221-4225. https://doi.org/10.1190/segam2013-0225.1 Plain-Language Summary PDF DownloadLoading ...