A practical comparison of different parameterizations for anisotropic elastic full-waveform inversion

Abstract

PreviousNext No AccessSEG Technical Program Expanded Abstracts 2016A practical comparison of different parameterizations for anisotropic elastic full-waveform inversionAuthors: Tore S. BergslidEspen Birger RaknesBørge ArntsenTore S. BergslidNorwegian University of Science and TechnologySearch for more papers by this author, Espen Birger RaknesNorwegian University of Science and TechnologySearch for more papers by this author, and Børge ArntsenNorwegian University of Science and TechnologySearch for more papers by this authorhttps://doi.org/10.1190/segam2016-13944676.1 SectionsSupplemental MaterialAboutPDF/ePub ToolsAdd to favoritesDownload CitationsTrack CitationsPermissions ShareFacebookTwitterLinked InRedditEmail Abstract In elastic anisotropic FWI, choosing the optimal parameterization for a problem is important. We have compared the results of using three different parameterizations when performing elastic anisotropic FWI. The parameterizations are: 1) VP0, VS0, ε, δ, 2) VP0, VS0, Vhor, Vnmo, 3) VP0, VS0, η, δ. Experiments have been run on complex and simple models. Results indicate that with our survey geometry, crosstalk is still an issue for all three parameterizations. An additional problem with parameterizations one and three is the difference in amplitude between the velocities and anisotropy parameters, that leads to issues updating anisotropy parameters for multiparameter inversion. Presentation Date: Tuesday, October 18, 2016 Start Time: 8:50:00 AM Location: 146 Presentation Type: ORAL Keywords: full-waveform inversion, VTI, 2D, anisotropy, elasticPermalink: https://doi.org/10.1190/segam2016-13944676.1FiguresReferencesRelatedDetailsCited byElastic vertically transversely isotropic full-waveform inversion using cross-gradient constraints — An application toward high-level radioactive waste repository monitoringEdgar Manukyan and Hansruedi Maurer8 May 2020 | GEOPHYSICS, Vol. 85, No. 4 SEG Technical Program Expanded Abstracts 2016ISSN (print):1052-3812 ISSN (online):1949-4645Copyright: 2016 Pages: 5654 publication data© 2016 Published in electronic format with permission by the Society of Exploration GeophysicistsPublisher:Society of Exploration Geophysicists HistoryPublished Online: 01 Sep 2016 CITATION INFORMATION Tore S. Bergslid, Espen Birger Raknes, and Børge Arntsen, (2016), "A practical comparison of different parameterizations for anisotropic elastic full-waveform inversion," SEG Technical Program Expanded Abstracts : 1105-1109. https://doi.org/10.1190/segam2016-13944676.1 Plain-Language Summary Keywordsfull-waveform inversionVTI2DanisotropyelasticPDF DownloadLoading ...