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- W2011070060 abstract "PreviousNext No AccessSEG Technical Program Expanded Abstracts 2004P‐wave attenuation anisotropy in fracture characterization: numerical modeling for reflection dataAuthors: Tatiana ChichininaVladimir SabininGerardo Ronquillo‐JarilloTatiana ChichininaInstituto Mexicano del PetroleoSearch for more papers by this author, Vladimir SabininInstituto Mexicano del PetroleoSearch for more papers by this author, and Gerardo Ronquillo‐JarilloInstituto Mexicano del PetroleoSearch for more papers by this authorhttps://doi.org/10.1190/1.1851123 SectionsAboutPDF/ePub ToolsAdd to favoritesDownload CitationsTrack CitationsPermissions ShareFacebookTwitterLinked InRedditEmail Abstract In the frames of HTI model, we study the phenomenon of azimuthally varying P‐wave attenuation, or Q ‐anisotropy, caused by the presence of aligned saturated fractures. The magnitude of P‐wave attenuation along the principle anisotropy directions of HTI medium (perpendicular and parallel to the crack strike) is linked to the complex phase velocity associated with cracks. P‐wave attenuation in the direction perpendicular to the crack strike is always greater than that parallel to the crack strike. Q ‐anisotropy appears to be rather more distinctive than reflectivity anisotropy, on which AVOA analysis (azimuthal AVO) is based. The information on wave attenuation from wide‐azimuth reflection data would be used in fracture characterization. The behavior of P‐wave attenuation in a function of offset (or angle of wave incidence) and azimuth is studied (we termed it “QVOA analysis” by analogy with AVOA analysis). Azimuthal variation of attenuation becomes the strongest for large angles of incidence, which correspond to the maximum offsets.Permalink: https://doi.org/10.1190/1.1851123FiguresReferencesRelatedDetailsCited ByFracture-direction estimation by QVOA analysis: Validation by physical modelingTatiana Chichinina, Elena Kazatchenko, Vladimir Sabinin, Dmitry Popov, Viacheslav Polovkov, Jianxin Wei, and Pinbo Ding10 August 2019Wave modeling in viscoacoustic media with transverse isotropyNuno V. da Silva, Gang Yao, and Michael Warner3 January 2019 | GEOPHYSICS, Vol. 84, No. 1Fracture-induced Q-anisotropy: Inversion for fracture parametersTatiana Chichinina, Geser Dugarov, and Irina Obolentseva19 August 2013Estimation of complex‐valued weaknesses from velocity—attenuation anisotropy data in linear‐slip TI model of fractured mediaI. Obolentseva, G. Dugarov, and T. Chichinina25 May 2012Anisotropic P-wave attenuation measured from a multi-azimuth surface seismic reflection surveyGeophysical Prospecting, Vol. 57, No. 5A physical model study of effect of fracture aperture on seismic wave12 December 2008 | Science in China Series D: Earth Sciences, Vol. 51, No. S2Experimental study on the effect of fracture scale on seismic wave characteristics29 May 2008 | Petroleum Science, Vol. 5, No. 2Attenuation anisotropy linked to velocity anisotropy: Theory and ultrasonic experimentT. Chichinina, G. Ronquillo‐Jarillo, V. Sabinin, I. Obolentseva, L. Gik, and B. Bobrov14 September 2007QVOA analysis: P-wave attenuation anisotropy for fracture characterizationTatiana Chichinina, Vladimir Sabinin, and Gerardo Ronquillo-Jarillo22 May 2006 | GEOPHYSICS, Vol. 71, No. 3Plane-wave propagation in attenuative transversely isotropic mediaYaping Zhu and Ilya Tsvankin9 March 2006 | GEOPHYSICS, Vol. 71, No. 2QVOA analysis as an instrument for fracture characterizationTatiana Chichinina, Vladimir Sabinin, and Gerardo Ronquillo‐Jarillo7 December 2005 SEG Technical Program Expanded Abstracts 2004ISSN (print):1052-3812 ISSN (online):1949-4645Copyright: 2004 Pages: 2586 publication data© 2004 Copyright © 2004 Society of Exploration GeophysicistsPublisher:Society of Exploration Geophysicists HistoryPublished: 03 Jan 2005 CITATION INFORMATION Tatiana Chichinina, Vladimir Sabinin, and Gerardo Ronquillo‐Jarillo, (2004), P‐wave attenuation anisotropy in fracture characterization: numerical modeling for reflection data, SEG Technical Program Expanded Abstracts : 143-146. https://doi.org/10.1190/1.1851123 Plain-Language Summary PDF DownloadLoading ..." @default.
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