Attenuation compensation in viscoacoustic reverse time migration

Abstract

PreviousNext No AccessSEG Technical Program Expanded Abstracts 2013Attenuation compensation in viscoacoustic reverse time migrationAuthors: Jianyong BaiGuoquan ChenDavid YingstJacques LeveilleJianyong BaiION GeophysicalSearch for more papers by this author, Guoquan ChenION GeophysicalSearch for more papers by this author, David YingstION GeophysicalSearch for more papers by this author, and Jacques LeveilleION GeophysicalSearch for more papers by this authorhttps://doi.org/10.1190/segam2013-1252.1 SectionsSupplemental MaterialAboutPDF/ePub ToolsAdd to favoritesDownload CitationsTrack CitationsPermissions ShareFacebookTwitterLinked InRedditEmail Abstract Seismic waves are attenuated during propagation. The unwanted attenuation effects in migrated images make interpretation difficult. Based on the dissipation mechanism in a viscoacoustic model consisting of one standard linear solid, we derive a viscoacoustic wave equation in the time domain. The equation includes a pseudo-differential operator for viscosity. We implement lossy acoustic wave equations for the forward and backward wave propagation in order to compensate for the attenuation effects in viscoacoustic reverse-time migration. A numerical test shows that the attenuation effects can be properly compensated. A real data example demonstrates the attenuation compensation in complex geological structures. Permalink: https://doi.org/10.1190/segam2013-1252.1FiguresReferencesRelatedDetailsCited ByQ -compensated full waveform inversion for velocity and density10 November 2021 | Exploration Geophysics, Vol. 51Modeling viscoacoustic wave propagation using a new spatial variable-order fractional Laplacian wave equationXinru Mu, Jianping Huang, Lei Wen, and Subin Zhuang13 October 2021 | GEOPHYSICS, Vol. 86, No. 6Q-compensated reverse time migration in tilted transversely isotropic mediaAli Fathalian, Daniel O. Trad, and Kristopher A. 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Schuster1 October 2014 | GEOPHYSICS, Vol. 79, No. 6 SEG Technical Program Expanded Abstracts 2013ISSN (print):1052-3812 ISSN (online):1949-4645Copyright: 2013 Pages: 5258 Publisher:Society of Exploration Geophysicists HistoryPublished: 19 Aug 2013 CITATION INFORMATION Jianyong Bai, Guoquan Chen, David Yingst, and Jacques Leveille, (2013), "Attenuation compensation in viscoacoustic reverse time migration," SEG Technical Program Expanded Abstracts : 3825-3830. https://doi.org/10.1190/segam2013-1252.1 Plain-Language Summary PDF DownloadLoading ...