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- W2022122913 abstract "PreviousNext No AccessSEG Technical Program Expanded Abstracts 2006DSR Migration velocity analysis by differential semblance optimizationAuthors: Alexandre KhouryWilliam SymesPaul WilliamsonPeng ShenAlexandre KhouryRice UniversitySearch for more papers by this author, William SymesRice UniversitySearch for more papers by this author, Paul WilliamsonTotal E&P USA Inc.Search for more papers by this author, and Peng ShenTotal E&P USA Inc.Search for more papers by this authorhttps://doi.org/10.1190/1.2370028 SectionsAboutPDF/ePub ToolsAdd to favoritesDownload CitationsTrack CitationsPermissions ShareFacebookTwitterLinked InRedditEmail Abstract The relative efficiency of Common Azimuth wave equation depth migration based on the double square root equation makes it an attractive engine for use in automated velocity updating schemes. One such automated velocity analysis procedure is Differential Semblance Optimization, which constructs velocity updates to reduce, and eventually minmize, a quantitative measure of image gather misfocussing. We review the construction of a differential semblance velocity analysis tool based on common azimuth migration, and present some 2D examples. These examples illustrate some of the promise, and some of the potential pitfalls, of this approach to velocity analysis.Permalink: https://doi.org/10.1190/1.2370028FiguresReferencesRelatedDetailsCited ByInversion velocity analysis in the subsurface-offset domainJie Hou and William W. Symes14 February 2018 | GEOPHYSICS, Vol. 83, No. 2Full-waveform inversion via source-receiver extensionGuanghui Huang, Rami Nammour, and William Symes21 March 2017 | GEOPHYSICS, Vol. 82, No. 3Inversion velocity analysis via approximate born inversionJie Hou and William Symes1 September 2016An RTM based automatic migration velocity analysis in image domainPeng Shen25 October 2012Overcoming the I/O bottleneck of adjoint state method based migration velocity analysisWeihong Fei and Paul Williamson21 October 20103‐D common‐azimuth wave‐equation migration velocity analysisWeihong Fei, Paul Williamson, and Alexandre Khoury14 October 2009The finite-frequency sensitivity kernel for migration residual moveout and its applications in migration velocity analysisXiao-Bi Xie and Hui Yang14 November 2008 | GEOPHYSICS, Vol. 73, No. 6StereotomographyGilles Lambaré1 October 2008 | GEOPHYSICS, Vol. 73, No. 5Automatic velocity analysis via shot profile migrationPeng Shen and William W. Symes1 October 2008 | GEOPHYSICS, Vol. 73, No. 5Interval velocity estimation via NMO-based differential semblanceJintan Li and William W. Symes5 September 2007 | GEOPHYSICS, Vol. 72, No. 6Reverse time migration with optimal checkpointingWilliam W. Symes23 August 2007 | GEOPHYSICS, Vol. 72, No. 5 SEG Technical Program Expanded Abstracts 2006ISSN (print):1052-3812 ISSN (online):1949-4645Copyright: 2006 Pages: 3541 publication data© 2006 Copyright © 2006 Society of Exploration GeophysicistsPublisher:Society of Exploration Geophysicists HistoryPublished: 06 Oct 2006 CITATION INFORMATION Alexandre Khoury, William Symes, Paul Williamson, and Peng Shen, (2006), DSR Migration velocity analysis by differential semblance optimization, SEG Technical Program Expanded Abstracts : 2450-2454. https://doi.org/10.1190/1.2370028 Plain-Language Summary PDF DownloadLoading ..." @default.
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