1. COUPLED FLUID FLOW AND GEOMECHANICS IN COALBED METHANE RECOVERY STUDY.
- Author
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WEI, ZHIJIE and ZHANG, DONGXIAO
- Subjects
- *
COALBED methane , *MATHEMATICAL statistics , *FINITE volume method , *NUMERICAL analysis , *MATHEMATICAL models - Abstract
In this paper, we present a coupled fluid flow and geomechanics model for simulating coalbed methane recovery. In the model, the fluid flow process is simulated with a triple porosity/dual permeability representation, and the coupling effects of effective stress and matrix swelling/shrinkage approach are simulated with a coupled fluid flow, geomechanics and gas adsorption/desorption model. The mathematical model is implemented with a fully implicit finite volume method and simulation is conducted to evaluate the effect of coupled fluid flow, geomechanics, and gas adsorption/desorption. [ABSTRACT FROM AUTHOR]
- Published
- 2010
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