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- W2316721657 abstract "PreviousNext No AccessSEG Technical Program Expanded Abstracts 2010Cemented porous grains modelAuthors: Franklin RuizJack DvorkinFranklin RuizOHM Rock Solid ImagesSearch for more papers by this author and Jack DvorkinStanford UniversitySearch for more papers by this authorhttps://doi.org/10.1190/1.3513408 SectionsAboutPDF/ePub ToolsAdd to favoritesDownload CitationsTrack CitationsPermissions ShareFacebookTwitterLinked InRedditEmail Abstract We propose an effective‐medium model for estimating the elastic properties of a random aggregate of identical, spherical, cemented poroelastic grains. These estimates are achieved using a two‐stage approach where the elastic properties of the porous grains are calculated first, followed by the elastic properties of an aggregate of the homogenized spherical grains. In the first stage, the effective elastic moduli of the poroelastic grains are calculated using an effective medium model or the combination of effective medium model with Gassmann's equation, depending on the connectivity of the intragranular porosity. The intragranular pore space may be either air‐ or liquid‐filled. In the second stage, we proceed to calculate the elastic properties of a dry aggregate of such grains using the cementation theory. In the third stage we use the self‐consistent approximation to estimate the elastic properties of the aggregate at all cement concentrations. This model may be applied to diatomaceous and carbonate rocks. The microstructural parameters of our models can be associated to diagenesis and may be varied to mimic diagenetic processes of carbonatesPermalink: https://doi.org/10.1190/1.3513408FiguresReferencesRelatedDetailsCited ByRock-physics modeling guided by depositional and burial history in low-to-intermediate-porosity sandstonesPer Avseth, Tor Arne Johansen, Aiman Bakhorji, and Husam M. Mustafa27 February 2014 | GEOPHYSICS, Vol. 79, No. 2 SEG Technical Program Expanded Abstracts 2010ISSN (print):1052-3812 ISSN (online):1949-4645Copyright: 2010 Pages: 4453 publication data© 2010 Copyright © 2010 Society of Exploration GeophysicistsPublisher:Society of Exploration Geophysicists HistoryPublished: 21 Oct 2010 CITATION INFORMATION Franklin Ruiz and Jack Dvorkin, (2010), Cemented porous grains model, SEG Technical Program Expanded Abstracts : 2720-2724. https://doi.org/10.1190/1.3513408 Plain-Language Summary PDF DownloadLoading ..." @default.
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