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- W2031833050 abstract "PreviousNext No AccessSEG Technical Program Expanded Abstracts 2006Refraction migration: Imaging multiple refractors automaticallyAuthors: Jie ZhangJie ZhangGeoTomo, Houston, Texas, USASearch for more papers by this authorhttps://doi.org/10.1190/1.2370022 SectionsAboutPDF/ePub ToolsAdd to favoritesDownload CitationsTrack CitationsPermissions ShareFacebookTwitterLinked InRedditEmail Abstract Refraction seismic data has been conventionally processed for traveltime analysis for the purpose of resolving the near‐surface velocity structures. In this study I present a refraction wavefield imaging approach that can migrate refractions from multiple refractors automatically. The approach involves preprocessing each reciprocal shot gathers and generates a number of new gathers by two loops of correlations. Migrating the resulted gathers with overburden velocities just like reflection migration can image refractors in depth. This approach does not require picking reciprocal times, and it can be applied for both shallow near‐surface structure imaging with conventional recording geometry and deep subsurface imaging with long‐offset recording geometry.Permalink: https://doi.org/10.1190/1.2370022FiguresReferencesRelatedDetailsCited ByRefraction wavefield migrationYang Shen and Jie Zhang22 October 2020 | GEOPHYSICS, Vol. 85, No. 6Applying the refraction migration method to image a deep interface in Xinjiang, ChinaYang Shen and Jie Zhang10 August 2019Joint inversion of seismic traveltime and frequency-domain airborne electromagnetic data for hydrocarbon explorationJide Nosakare Ogunbo, Guy Marquis, Jie Zhang, and Weizhong Wang8 February 2018 | GEOPHYSICS, Vol. 83, No. 2Interferometric imaging with FreeCableTM geometryYang Shen and Jie Zhang17 August 2017Refractor velocity analysis: a signal processing procedure12 November 2010 | Geophysical Prospecting, Vol. 59, No. 3 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 Jie Zhang, (2006), Refraction migration: Imaging multiple refractors automatically, SEG Technical Program Expanded Abstracts : 2426-2429. https://doi.org/10.1190/1.2370022 Plain-Language Summary PDF DownloadLoading ..." @default.
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