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• W2321843123 abstract "PreviousNext No Access14th International Congress of the Brazilian Geophysical Society & EXPOGEF, Rio de Janeiro, Brazil, 3-6 August 2015Challenges for petrophysical characterization of presalt carbonate reservoirsAuthors: Webster U. MohriakLeonardo Verbicaro PerdomoDaniel Martins PlucenioJaqueline L. SaadWebster U. MohriakUniversidade do Rio de Janeiro and Concremat EngenhariaSearch for more papers by this author, Leonardo Verbicaro PerdomoConcremat EngenhariaSearch for more papers by this author, Daniel Martins PlucenioUniversidade Federal de Santa Catarina and ESSSSearch for more papers by this author, and Jaqueline L. SaadConcremat EngenhariaSearch for more papers by this authorhttps://doi.org/10.1190/sbgf2015-123 SectionsAboutPDF/ePub ToolsAdd to favoritesDownload CitationsTrack CitationsPermissions ShareFacebookTwitterLinked InRedditEmail Abstract We discuss the petrophysical challenges for interpretation of presalt carbonate rocks that constitute the main reservoirs in the recently discovered hydrocarbon accumulations in the Santos Basin. These rocks are described as microbialites and have become one of the main exploratory targets in several basins worldwide, resulting in giant discoveries in the South Atlantic (Brazil, Angola) and in the Caspian Sea (Kazachstan). The origin of these rocks is still controversial, and several carbonate rock outcrops have been proposed as possible analogs for the presalt microbialites, including stromatolites, travertine deposits, and carbonate tufas. The distribution of porosity and permeability in the microbialite reservoirs are important parameters for building up reservoir models and optimization of the hydrocarbon production strategy. Petrophysical parameters may also be obtained by reconstruction of microtomography binary images obtained from reservoirs plugs. The quantitative analysis is based on an innovative numerical simulation software that uses a pore network algorithm. This tool is under development and aims at providing a 3-D visualization of the rock framework and yielding reliable evaluations of porosity and permeability factors that can be compared with traditional laboratory measurements. Keywords: carbonate, rock physics, 3DPermalink: https://doi.org/10.1190/sbgf2015-123FiguresReferencesRelatedDetails 14th International Congress of the Brazilian Geophysical Society & EXPOGEF, Rio de Janeiro, Brazil, 3-6 August 2015ISSN (online):2159-6832Copyright: 2015 Pages: 1553 publication data© 2015 Published in electronic format with permission by the Brazilian Geophysical SocietyPublisher:Society of Exploration Geophysicists HistoryPublished Online: 06 Aug 2015 CITATION INFORMATION Webster U. Mohriak, Leonardo Verbicaro Perdomo, Daniel Martins Plucenio, and Jaqueline L. Saad, (2015), Challenges for petrophysical characterization of presalt carbonate reservoirs, SEG Global Meeting Abstracts : 623-627. https://doi.org/10.1190/sbgf2015-123 Plain-Language Summary Keywordscarbonaterock physics3DPDF DownloadLoading ..." @default.
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• W2321843123 title "Challenges for petrophysical characterization of presalt carbonate reservoirs" @default.
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