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- W2000577152 abstract "PreviousNext No AccessSEG Technical Program Expanded Abstracts 2012Electrical conductivity of fractured media: A computational study of the self-consistent methodAuthors: Pål Næverlid SævikInga BerreMorten JakobsenMartha LienPål Næverlid SævikUniversity of BergenSearch for more papers by this author, Inga BerreUniversity of BergenSearch for more papers by this author, Morten JakobsenUniversity of BergenSearch for more papers by this author, and Martha LienUniversity of BergenSearch for more papers by this authorhttps://doi.org/10.1190/segam2012-1026.1 SectionsSupplemental MaterialAboutPDF/ePub ToolsAdd to favoritesDownload CitationsTrack CitationsPermissions ShareFacebookTwitterLinked InRedditEmail Abstract Effective medium theory can be used to link conductivity estimation methods with prior knowledge about the distribution of fractures in the investigated geological structure. In the literature, little work has been presented on assessing the accuracy of effective medium approximations for dense networks of finite-sized fractures. We present here a systematic computational study, comparing the conductivity predictions of the popular self-consistent method with results from numerical finite-element simulations. Our results show that the self-consistent method is accurate within acceptable error bounds for a range of parameter values, in some cases even beyond the percolation limit. We also compare the percolation thresholds predicted by self-consistent theory with the thresholds obtained by a numerical percolation algorithm. For the cases we have studied, the percolation thresholds agree to a remarkable degree. Permalink: https://doi.org/10.1190/segam2012-1026.1FiguresReferencesRelatedDetailsCited ByFracture Detection Using the Conductivity Triaxiality Index28 September 2015Anisotropic effective conductivity in fractured rocks by explicit effective medium methods16 September 2014 | Geophysical Prospecting, Vol. 62, No. 6 SEG Technical Program Expanded Abstracts 2012ISSN (print):1052-3812 ISSN (online):1949-4645Copyright: 2012 Pages: 4609 Publisher:Society of Exploration Geophysicists HistoryPublished: 25 Oct 2012 CITATION INFORMATION Pål Næverlid Sævik, Inga Berre, Morten Jakobsen, and Martha Lien, (2012), Electrical conductivity of fractured media: A computational study of the self-consistent method, SEG Technical Program Expanded Abstracts : 1-5. https://doi.org/10.1190/segam2012-1026.1 Plain-Language Summary PDF DownloadLoading ..." @default.
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