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Title

Non-Equilibrium Model of Three-Phase Flow in Porous Media

Year: 1391
COI: NICEC14_754
Language: EnglishView: 1,020
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Authors

Saman Jahanbakhshi - Chemical & Petroleum Engineering Department, Sharif University of Technology, Tehran, Iran
Mohammad Hossein Ghazanfari
Mohsen Masihi

Abstract:

Accurate description of multiphase flow in porous media is crucial for practical applications like enhanced oil recovery and environmental remediation of the unsaturated zone. Multiphase flow models are conventionally based on an extension of Darcy’s law. Available models generally assume that capillary pressure and relative permeability are unique functions of saturation. However, new theories highlights that a dynamic term should be included to indicate the time at which flow equilibrium is reached. In this work a generalized non-equilibrium model of three-phase flow in porous media is developed. Non-equilibrium effects is introduced by a pair of effective water and gas saturations related to the actual saturations by the extension of Barenblatt model to three-phase systems considering dynamic effects in both relative permeability and capillary pressure functions. While equilibrium formulation develops unstable oscillatory behavior in the elliptic region, non-equilibrium solution is smooth and stable. The developed model might be helpful for the analysis of three-phase gravity drainage problems

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Paper COI Code

This Paper COI Code is NICEC14_754. Also You can use the following address to link to this article. This link is permanent and is used as an article registration confirmation in the Civilica reference:

https://civilica.com/doc/172372/

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Jahanbakhshi, Saman and Ghazanfari, Mohammad Hossein and Masihi, Mohsen,1391,Non-Equilibrium Model of Three-Phase Flow in Porous Media,The 14th Conference of chemical Engineering,Tehran,https://civilica.com/doc/172372

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  • Pope, G. A., "The application of fractional flow theory to ...
  • Das, D. B. Gauldie, R. Mirzaei, M., "Dynamic effects for ...
  • Guen, S. S. Kovscek, A. R., _ 'No nequilibrium effects ...
  • Hassanizadeh, S. M. Celia, M. A. Dahle, H.K., "Dynamic effects ...
  • DiCarlo, D. A. Juanes, R. LaForce, T. Witelski, T. P., ...
  • doi: 10. 1 02 9/2 007WR005 975 _ ...
  • Hassanizadeh, S. M. Gray, W. G., "Toward an improved description ...
  • Barenblatt, G. I. G arcia-Azorero _ J. Pablo, A. Vazquez, ...
  • Juanes, R., _ 'No n-equilibrium effects in models of three-phase ...
  • Bell, J. B. Trangenstein, J. A. Shubin, G. R., "Conservation ...
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