A Coupled Model of Fluid Flow in Jointed Rock
- Location
- Fenton Hill, New Mexico; Valles Caldera, New Mexico
- Conference
- Stanford Geothermal Workshop
- Year
- 1991
- Session
- Hot Dry Rock
- Language
- English
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Abstract
We present a fully coupled model of fluid flow in jointed rock, where the fluid flow depends on the joint openings and the joint openings depend on the fluid pressure. The joints and rock blocks are modeled discretely using the finite element method. Solutions for the fluid and rock are obtained and iteration is performed until both solutions converge. Example applications include an examination of the effects of back-pressure on flow in a geothermal reservoir and transient fluid injection into a reservoir.
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