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INSTABILITY OF A SHARP INTERFACE IN POLYMER FLOODING

INSTABILITY OF A SHARP INTERFACE IN POLYMER FLOODING NonNewtonian fluids are used in current oil recovery processes. These fluids do not satisfy the linear Darcy law for flow through porous media. To model the recovery processes, a generalization of Darcy's law is used. A numerical method, developed originally for salt and fresh groundwater flow, has been adapted to incorporate the generalized Darcy law. We use it to model the twophase, twodimensional flow of immiscible fluids in a porous medium. In particular it will be applied to investigate the stability of the fluidfluid interface. The results verify the theoretically predicted critical velocity above which the displacement of oil by polymer flooding becomes unstable, leading to low recovery. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Engineering Computations Emerald Publishing

INSTABILITY OF A SHARP INTERFACE IN POLYMER FLOODING

VAN DUIJN, C.J.; FLORIS, F.J.T.
Engineering Computations , Volume 9 (4): 15 – Apr 1, 1992
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Publisher
Emerald Publishing
Copyright
Copyright © Emerald Group Publishing Limited
ISSN
0264-4401
DOI
10.1108/eb023877
Publisher site
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Abstract

NonNewtonian fluids are used in current oil recovery processes. These fluids do not satisfy the linear Darcy law for flow through porous media. To model the recovery processes, a generalization of Darcy's law is used. A numerical method, developed originally for salt and fresh groundwater flow, has been adapted to incorporate the generalized Darcy law. We use it to model the twophase, twodimensional flow of immiscible fluids in a porous medium. In particular it will be applied to investigate the stability of the fluidfluid interface. The results verify the theoretically predicted critical velocity above which the displacement of oil by polymer flooding becomes unstable, leading to low recovery.

Journal

Engineering Computations – Emerald Publishing

Published: Apr 1, 1992

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