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- W2000222523 abstract "PreviousNext No AccessSEG Technical Program Expanded Abstracts 20092D full waveform transmission deconvolution for true amplitude imaging below gas‐cloudsAuthors: A.R. GhazaliD.J. VerschuurA. GisolfA.R. GhazaliPETRONASSearch for more papers by this author, D.J. VerschuurDelft University of Technology.Search for more papers by this author, and A. GisolfDelft University of Technology.Search for more papers by this authorhttps://doi.org/10.1190/1.3255356 SectionsSupplemental MaterialAboutPDF/ePub ToolsAdd to favoritesDownload CitationsTrack CitationsPermissions ShareFacebookTwitterLinked InRedditEmail Abstract Conventional imaging processes for a situation with a gas cloud do not offer satisfactory solutions. Due to the complex wave propagation through the anomaly and the transmission imprint on the reflections from below these complexities, the image below the anomaly is usually not properly recovered. We aim at constructing full waveform transmission operators (including the codas) from the gas cloud reflection response via an effective medium representation. True amplitude imaging is achieved via multi‐dimensional deconvolution for these full waveform transmission operators. In this paper, we present a feasibility study on 2D synthetic data, for which the operators are obtained by forward modeling through the gas cloud region. For the 1.5D case, it is demonstrated that a target‐oriented full waveform inversion process to obtain effective gas cloud for medium parameters is viable.Permalink: https://doi.org/10.1190/1.3255356FiguresReferencesRelatedDetailsCited ByDesign and analysis of OBC acquisition and observation system in large gas cloud areaZhijun Zhang and Dekui Xu10 August 2019Application of Full Wavefield Migration in Obtaining True Amplitude Below Gas Cloud22 March 2019Nonstationary differential resolution: An algorithm to improve seismic resolutionMuhammad Sajid and Ahmad Riza Ghazali9 March 2018 | GEOPHYSICS, Vol. 83, No. 3Geophysical issues and challenges in Malay and adjacent basins from an E & P perspectiveDeva Ghosh, M. Firdaus Abdul Halim, Martin Brewer, Bernato Viratno, and Nasir Darman5 April 2010 | The Leading Edge, Vol. 29, No. 4Multi‐dimensional non‐linear full waveform inversion of gas cloud reflection data using a genetic algorithm and a blended acquisition approachA.R. Ghazali, D.J. Verschuur, and A. Gisolf21 October 2010 SEG Technical Program Expanded Abstracts 2009ISSN (print):1052-3812 ISSN (online):1949-4645Copyright: 2009 Pages: 4338 publication data© 2009 Copyright © 2009 Society of Exploration GeophysicistsPublisher:Society of Exploration Geophysicists HistoryPublished: 14 Oct 2009 CITATION INFORMATION A.R. Ghazali, D.J. Verschuur, and A. Gisolf, (2009), 2D full waveform transmission deconvolution for true amplitude imaging below gas‐clouds, SEG Technical Program Expanded Abstracts : 2467-2471. https://doi.org/10.1190/1.3255356 Plain-Language Summary PDF DownloadLoading ..." @default.
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