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An Equivalent Media Theory for Reservoir Characterization

Authors
Srichand Prajapati (Universiti Teknologi PETRONAS) | Deva Ghosh (Universiti Teknologi PETRONAS)
DOI
https://doi.org/10.2523/IPTC-19301-MS
Document ID
IPTC-19301-MS
Publisher
International Petroleum Technology Conference
Source
International Petroleum Technology Conference, 26-28 March, Beijing, China
Publication Date
2019
Document Type
Conference Paper
Language
English
ISBN
978-1-61399-619-5
Copyright
2019. International Petroleum Technology Conference
Disciplines
5.6 Formation Evaluation & Management, 5.6.1 Open hole/cased hole log analysis, 5 Reservoir Desciption & Dynamics, 5.1 Reservoir Characterisation, 5.1.5 Geologic Modeling
Keywords
Anisotropy, Reservoir, Backus Averaging
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Abstract

The existence of elastic anisotropy in the reservoir is obtained through the equivalent media theory. An isotropic elastic theory fairly explains the reservoir modeling or characterization but its not well explain anisotropic characteristic fairly for reservoir characterization which is extremely challenging without considering a self-consistent theory of effective equivalent media theory. In this research, equivalent media theory has been explained and implemented on a producing well-log data with consistent Vp, Vs, density and other parameters. Instead of using Voigt averaging, equivalent media theory used to estimate the effective stiffness parameters and compare with Thomsen's parameters and finally used effective anisotropy parameters and compare with gamma log. Result shows the effectiveness of equivalent media theory for future application for developing reservoir modeling and characterization.

File Size  1 MBNumber of Pages   9

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