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• W2317532883 abstract "PreviousNext No AccessSEG Technical Program Expanded Abstracts 2015Imaging Condition for Converted Waves Based on Decoupled Elastic Wave ModesAuthors: Chenlong WangJiubing ChengBørge ArntsenChenlong WangTongji UniversitySearch for more papers by this author, Jiubing ChengTongji UniversitySearch for more papers by this author, and Børge ArntsenNTNUSearch for more papers by this authorhttps://doi.org/10.1190/segam2015-5920952.1 SectionsAboutPDF/ePub ToolsAdd to favoritesDownload CitationsTrack CitationsPermissions ShareFacebookTwitterLinked InRedditEmail Abstract Elastic reverse time migration is developed for better characterization of the subsurface using multi-component data. Typically, imaging condition is applied to the pure P- and Swave fields separated by the divergence and curl operators in isotropic media. However, the separated P- and S-wave fields are scalar and vector wavefields, respectively. Directly crosscorrelating the P-wave mode with components of S-wave cannot obtain unique scalar image. A scalarization step is needed to implement converted wave imaging. Meanwhile, the polarity reversal in converted wave imaging causes destructive interference during stacking. We propose a new imaging condition for converted waves based on the decoupled vector wavefields. It automatically solves the polarity reversal issue. Synthetic 2D and 3D examples demonstrate the validity of this approach. Keywords: 3D, converted wave, multicomponent, imagingPermalink: https://doi.org/10.1190/segam2015-5920952.1FiguresReferencesRelatedDetailsCited byPS RTM with single mode wave propagationsBing Tang, Sheng Xu, Hongbo Zhou, Hossein M. Zadeh, and Marit S. Guttormsen10 August 2019Anisotropic wave equations for single-mode wave propagationsSheng Xu, Bing Tang, and Hongbo Zhou27 August 2018Vector-wave-based elastic reverse time migration of ocean-bottom 4C seismic dataPengfei Yu, Jianhua Geng, and Jiqiang Ma6 June 2018 | GEOPHYSICS, Vol. 83, No. 4Three‐Dimensional Passive‐Source Reverse‐Time Migration of Converted Waves: The Method5 February 2018 | Journal of Geophysical Research: Solid Earth, Vol. 123, No. 2Vector-decomposition-based acoustic-elastic coupled equation for OBS data V-ERTMPengfei Yu* and Jianhua Geng31 May 2017Viscoelastic reverse time migration with attenuation compensationTieyuan Zhu and Junzhe Sun24 January 2017 | GEOPHYSICS, Vol. 82, No. 2Acoustic-elastic coupled equation for ocean bottom seismic data elastic reverse time migrationPengfei Yu, Jianhua Geng, Xiaobo Li, and Chenlong Wang3 August 2016 | GEOPHYSICS, Vol. 81, No. 5Scalar and vector imaging based on wave mode decoupling for elastic reverse time migration in isotropic and transversely isotropic mediaChenlong Wang, Jiubing Cheng, and Børge Arntsen11 August 2016 | GEOPHYSICS, Vol. 81, No. 5 SEG Technical Program Expanded Abstracts 2015ISSN (print):1052-3812 ISSN (online):1949-4645Copyright: 2015 Pages: 5634 publication data© 2015 Published in electronic format with permission by the Society of Exploration GeophysicistsPublisher:Society of Exploration Geophysicists HistoryPublished Online: 19 Aug 2015 CITATION INFORMATION Chenlong Wang, Jiubing Cheng, and Børge Arntsen, (2015), Imaging Condition for Converted Waves Based on Decoupled Elastic Wave Modes, SEG Technical Program Expanded Abstracts : 4385-4390. https://doi.org/10.1190/segam2015-5920952.1 Plain-Language Summary Keywords3Dconverted wavemulticomponentimagingPDF DownloadLoading ..." @default.
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• W2317532883 title "Imaging Condition for Converted Waves Based on Decoupled Elastic Wave Modes" @default.
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