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- W2332368890 abstract "PreviousNext No AccessSEG Technical Program Expanded Abstracts 2009Imaging a salt dome flank by directional redatuming of a field 3‐D VSP surveyAuthors: Rongrong LuMark E. WillisAlbena MateevaJorge LopezM. Nafi ToksözRongrong LuMIT, ExxonMobilSearch for more papers by this author, Mark E. WillisMIT, ConocoPhillipsSearch for more papers by this author, Albena MateevaShell International Exploration & Production Inc.Search for more papers by this author, Jorge LopezShell International Exploration & Production Inc.Search for more papers by this author, and M. Nafi ToksözMIT Earth Resources LaboratorySearch for more papers by this authorhttps://doi.org/10.1190/1.3255724 SectionsSupplemental MaterialAboutPDF/ePub ToolsAdd to favoritesDownload CitationsTrack CitationsPermissions ShareFacebookTwitterLinked InRedditEmail Abstract We processed a large 3‐D vertical seismic profile (VSP) around a Gulf of Mexico (GOM) salt dome. The VSP was acquired to address uncertainty in subsalt structure and in locating the dipping edge of the salt base on the surface seismic images. To simplify the processing, remove potential uncertainty in the velocity of the overburden, and image the salt edge, we create and apply a strategy of seismic interferometric, directional redatuming followed by prestack depth migration. The surface VSP shots are grouped into 10° wedges based on the shot to geophone azimuth. Each wedge is redatumed and migrated separately to create separately steered images of the salt flank. The final merged result complements and is compatible with the interpretation of the surface seismic data. The redatuming methodology does not require knowledge of the velocity structure between the surface shots and the downhole receivers, and the salt‐flank reflections are easily seen on the intermediate redatumed, virtual source gathers.Permalink: https://doi.org/10.1190/1.3255724FiguresReferencesRelatedDetailsCited ByImaging pre-existing natural fractures using microseismic data26 March 2015 | Geophysical Prospecting, Vol. 63, No. 5Full wavefield migration to image salt-flanks using an unblended and blended VSP dataAlok K. Soni*, Eric Verschuur, and Mikhail Davydenko5 August 2014Geometrical considerations in the acquisition of borehole interferometric data for imaging near-vertical features: Design of field experimentsEmma Brand, Charles Hurich, and Sharon Deemer10 April 2013 | GEOPHYSICS, Vol. 78, No. 3Practical implementation of Seismic Interferometry for imaging a steeply dipping dykeEmma Brand and Charles Hurich21 October 2010Combining Standard Salt/Sediment‐Proximity Analysis with Interferometric ImagingMartin Karrenbach, Vlad Soutyrine, and Ruiqing He21 October 2010 SEG Technical Program Expanded Abstracts 2009ISSN (print):1052-3812 ISSN (online):1949-4645Copyright: 2009 Pages: 4338 publication data© 2009 Copyright © 2009 Society of Exploration GeophysicistsPublisher:Society of Exploration Geophysicists HistoryPublished: 14 Oct 2009 CITATION INFORMATION Rongrong Lu, Mark E. Willis, Albena Mateeva, Jorge Lopez, and M. Nafi Toksöz, (2009), Imaging a salt dome flank by directional redatuming of a field 3‐D VSP survey, SEG Technical Program Expanded Abstracts : 4085-4089. https://doi.org/10.1190/1.3255724 Plain-Language Summary PDF DownloadLoading ..." @default.
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