Three-Dimensional Numerical Model for Double-Porosity Media with Two Miscible Fluids Including Geomechanical Response
Publication: International Journal of Geomechanics
Volume 16, Issue 3
Abstract
The finite-element formulation of a coupled fluid flow and geomechanics for two-phase fluid flow through fractured porous media are presented. Two porosities, pores and fractures, and five phases are introduced. The two fluids are taken as wetting and nonwetting. The governing equations are derived based on the theory of poroelasticity, the effective stress principle, and the balance equations of mass and momentum, taking into account the solubility of nonwetting fluid into wetting fluid. Spatial and temporal discretization of the governing equations has been realized through the Galerkin method and the finite-difference technique, respectively. A three-dimensional numerical code has been developed and validated based on previously published data. Various applications of the model have been demonstrated through three field-scale examples.
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Published In
International Journal of Geomechanics
Volume 16 • Issue 3 • June 2016
Copyright
© 2015 American Society of Civil Engineers.
History
Received: Apr 15, 2014
Accepted: Jan 28, 2015
Published online: Oct 27, 2015
Discussion open until: Mar 27, 2016
Published in print: Jun 1, 2016
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