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• W2316267941 abstract "PreviousNext No AccessNear Surface Geophysics Asia Pacific Conference, Beijing, China 17-19 July 2013Application of Geostatistical Seismic Inversion in Reservoir Characterization of Igloo Field, Niger Delta, NigeriaAuthors: E. K. AnakwubaA. G. OnwuemesiO. L. AnikeA. I. ChinwukoI. I. ObiadiH. M. YakubuC. U. OnyekweluN. C. AkachikeluE. K. AnakwubaNnamdi Azikiwe University, Awka, NigeriaSearch for more papers by this author, A. G. OnwuemesiNnamdi Azikiwe University, Awka, NigeriaSearch for more papers by this author, O. L. AnikeNnamdi Azikiwe University, Awka, NigeriaSearch for more papers by this author, A. I. ChinwukoNnamdi Azikiwe University, Awka, NigeriaSearch for more papers by this author, I. I. ObiadiNnamdi Azikiwe University, Awka, NigeriaSearch for more papers by this author, H. M. YakubuNnamdi Azikiwe University, Awka, NigeriaSearch for more papers by this author, C. U. OnyekweluSunLink Petroleum Limited Lagos, NigeriaSearch for more papers by this author, and N. C. AkachikeluNNPC-NAPIMS Lagos, NigeriaSearch for more papers by this authorhttps://doi.org/10.1190/nsgapc2013-105 SectionsAboutPDF/ePub ToolsAdd to favoritesDownload CitationsTrack CitationsPermissions ShareFacebookTwitterLinked InRedditEmail Abstract A stochastic approach to seismic inversion was used in characterization of R3 reservoir of Igloo Field, Niger Delta. This study utilizes Stratigraphic Modified Lorenz (SML) plot as major framework on which inversion was carried out thus reducing vertical upscaling problems and improving the estimation of reservoir properties between wells. The calibration of acoustic impedance using sonic and density logs porosity showed a 0.88 correlation coefficient; this formed the basis for geostatistical seismic inversion process. The transformation of acoustic impedance into reservoir parameters using Sequential Gaussian Simulation (SGS) and collocated cokriging algorithm resulted in ten equiprobable acoustic impedance models. These models were converted to porosity using cloud transform; permeability was modeled with a single transform of core porosity with correlation coefficient of 0.86. The property maps generated imaged typical fluvial to deltaic environment without precondition to facies model. Comparison with conventional model of porosity showed similarities in their histogram distribution; however there were differences in their spatial distribution which is a major control to fluid flow. Keywords: seismic, inversion, Africa, algorithm, impedancePermalink: https://doi.org/10.1190/nsgapc2013-105FiguresReferencesRelatedDetailsCited ByCoblending of seismic attributes for interpretation of channel geometries in Rence Field of Niger Delta, NigeriaAugustine Ifeanyi Chinwuko, Ajana Godwin Onwuemesi, Emmanuel Kenechukwu Anakwuba, Clement Udenna Onyekwelu, Harold Chinedu Okeke, and Izuchukwu Ignatius Obiadi23 July 2015 | Interpretation, Vol. 3, No. 4 Near Surface Geophysics Asia Pacific Conference, Beijing, China 17-19 July 2013ISSN (online):2159-6832Copyright: 2013 Pages: 705 publication data© 2013 Published in electronic format with permission by the Society of Exploration Geophysicists, Australian Society of Exploration Geophysicists, Chinese Geophysical Society, Korean Society of Earth and Exploration Geophysicists, and Society of Exploration Geophysicists of JapanPublisher:Society of Exploration Geophysicists HistoryPublished: 27 Jan 2014 CITATION INFORMATION E. K. Anakwuba, A. G. Onwuemesi, O. L. Anike, A. I. Chinwuko, I. I. Obiadi, H. M. Yakubu, C. U. Onyekwelu, and N. C. Akachikelu, (2013), Application of Geostatistical Seismic Inversion in Reservoir Characterization of Igloo Field, Niger Delta, Nigeria, SEG Global Meeting Abstracts : 454-458. https://doi.org/10.1190/nsgapc2013-105 Plain-Language Summary KeywordsseismicinversionAfricaalgorithmimpedancePDF DownloadLoading ..." @default.
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• W2316267941 title "Application of Geostatistical Seismic Inversion in Reservoir Characterization of Igloo Field, Niger Delta, Nigeria" @default.
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