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• W2316369600 abstract "PreviousNext No AccessSEG Technical Program Expanded Abstracts 2014Application of turning-ray tomography to Hussar 2D seismic line from central AlbertaAuthors: Babatunde Arenrin*Gary MargraveJohn BancroftBabatunde Arenrin*U of CalgarySearch for more papers by this author, Gary MargraveU of CalgarySearch for more papers by this author, and John BancroftU of CalgarySearch for more papers by this authorhttps://doi.org/10.1190/segam2014-0857.1 SectionsSupplemental MaterialAboutPDF/ePub ToolsAdd to favoritesDownload CitationsTrack CitationsPermissions ShareFacebookTwitterLinked InRedditEmail Abstract Turning-ray tomography is a good tool for estimating near surface velocity structure, especially in areas where conventional refraction statics fail such as the case of a hidden layer. The velocity model from turning-ray tomography can be used for static correction, as a starting model for Full Waveform Inversion (FWI), and for wave equation datuming or prestack depth migration. In the work presented here, we apply turning-ray tomography to the statics problem of the Hussar 2D seismic line from central Alberta. In literature, the application of turning-ray tomography to the statics problem is commonly referred to as tomostatics. The traveltime tomography approach used in this study is similar to the constrained, damped, simultaneous, iterative reconstruction technique (CDSIRT) of Zhu et al, (1992). To verify results from tomostatics, we compare datasets after tomostatics with datasets using the delay-time method of conventional refraction statics. Our result shows that the velocity model from turning-ray tomography reveals a hidden, low-velocity layer (LVL) between two fast-velocity layers that conventional refraction statics would not detect. The hidden layer is in agreement with the interval velocities from well logs. The stacked section, after applying tomostatics, shows better continuity of events compared to the stacked section from conventional refraction statics. Keywords: 2D, refraction, tomography, traveltimePermalink: https://doi.org/10.1190/segam2014-0857.1FiguresReferencesRelatedDetails SEG Technical Program Expanded Abstracts 2014ISSN (print):1052-3812 ISSN (online):1949-4645Copyright: 2014 Pages: 5183 publication data© 2014 Published in electronic format with permission by the Society of Exploration GeophysicistsPublisher:Society of Exploration Geophysicists HistoryPublished: 05 Aug 2014 CITATION INFORMATION Babatunde Arenrin*, Gary Margrave, and John Bancroft, (2014), Application of turning-ray tomography to Hussar 2D seismic line from central Alberta, SEG Technical Program Expanded Abstracts : 4827-4831. https://doi.org/10.1190/segam2014-0857.1 Plain-Language Summary Keywords2DrefractiontomographytraveltimePDF DownloadLoading ..." @default.
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• W2316369600 title "Application of turning-ray tomography to Hussar 2D seismic line from central Alberta" @default.
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• W2316369600 doi "https://doi.org/10.1190/segam2014-0857.1" @default.
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