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Energy Sources, Part A: Recovery, Utilization, and Environmental Effects Volume 35, 2013 - Issue 2
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Original Articles

The Modeling of 3D Compositional Grading and Plus Fraction Molecular Weight Change in Non-isothermal Petroleum Reservoirs

M. H. Nikpoor Chemical and Petroleum Engineering Department, University of Calgary, Calgary, Alberta, Canada
,
R. Kharrat Chemical and Petroleum Engineering Department, University of Calgary, Calgary, Alberta, Canada
&
Z. Chen Chemical and Petroleum Engineering Department, University of Calgary, Calgary, Alberta, Canada
Pages 99-109 | Received 08 May 2010, Accepted 11 Jun 2010, Published online: 10 Dec 2012
 
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Abstract

Composition and physical properties vary within hydrocarbon reservoirs, even in well connected ones; it is of crucial interest to model this change in order to initialize the reservoir simulator. In this work, a non-isothermal model is used to depict changes in plus fraction molecular weight and it will be integrated into another non-isothermal model describing fluid compositional changes within a 3D reservoir. Previously, the model has been validated versus 1D real reservoir data. It will be used to model compositional change of real hydrocarbon in a synthetic 3D reservoir subjected to temperature gradient in x, y, and z directions.

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