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3D Geostatistical Modeling and Uncertainty Analysis in a Carbonate Reservoir, SW Iran
Joint Authors
Omidvar, Azadeh
Kamali, Mohammad Reza
Kazemzadeh, Ezatallah
Source
Journal of Geological Research
Issue
Vol. 2013, Issue 2013 (31 Dec. 2013), pp.1-7, 7 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2013-01-21
Country of Publication
Egypt
No. of Pages
7
Main Subjects
Earth Science , Water and Environment
Abstract EN
The aim of geostatistical reservoir characterization is to utilize wide variety of data, in different scales and accuracies, to construct reservoir models which are able to represent geological heterogeneities and also quantifying uncertainties by producing numbers of equiprobable models.
Since all geostatistical methods used in estimation of reservoir parameters are inaccurate, modeling of “estimation error” in form of uncertainty analysis is very important.
In this paper, the definition of Sequential Gaussian Simulation has been reviewed and construction of stochastic models based on it has been discussed.
Subsequently ranking and uncertainty quantification of those stochastically populated equiprobable models and sensitivity study of modeled properties have been presented.
Consequently, the application of sensitivity analysis on stochastic models of reservoir horizons, petrophysical properties, and stochastic oil-water contacts, also their effect on reserve, clearly shows any alteration in the reservoir geometry has significant effect on the oil in place.
The studied reservoir is located at carbonate sequences of Sarvak Formation, Zagros, Iran; it comprises three layers.
The first one which is located beneath the cap rock contains the largest portion of the reserve and other layers just hold little oil.
Simulations show that average porosity and water saturation of the reservoir is about 20% and 52%, respectively.
American Psychological Association (APA)
Kamali, Mohammad Reza& Omidvar, Azadeh& Kazemzadeh, Ezatallah. 2013. 3D Geostatistical Modeling and Uncertainty Analysis in a Carbonate Reservoir, SW Iran. Journal of Geological Research،Vol. 2013, no. 2013, pp.1-7.
https://search.emarefa.net/detail/BIM-490686
Modern Language Association (MLA)
Kamali, Mohammad Reza…[et al.]. 3D Geostatistical Modeling and Uncertainty Analysis in a Carbonate Reservoir, SW Iran. Journal of Geological Research No. 2013 (2013), pp.1-7.
https://search.emarefa.net/detail/BIM-490686
American Medical Association (AMA)
Kamali, Mohammad Reza& Omidvar, Azadeh& Kazemzadeh, Ezatallah. 3D Geostatistical Modeling and Uncertainty Analysis in a Carbonate Reservoir, SW Iran. Journal of Geological Research. 2013. Vol. 2013, no. 2013, pp.1-7.
https://search.emarefa.net/detail/BIM-490686
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-490686