Application of Thermal Depletion Model to Geothermal Reservoirs with Fracture and Pore Permeability
Conference
·
OSTI ID:887410
The useful lifetime of a geothermal resource is usually calculated by assuming fluid will be produced from and reinjected into a uniform porous medium. However, most geothermal systems are found in fractured rock. If the reinjection and production wells intersect connected fractures, then reinjected fluid may cool the production wells much sooner than would be predicted from calculations of flow in a porous medium. We have developed a “quick and dirty” method for calculating how much sooner that cooling will occur (Kasameyer and Schroeder, 1975, 1976). In this paper, we discuss the basic assumptions of the method, and show how it can be applied to the Salton Geothermal Field, the Raft River System, and to reinjection of supersaturated fluids. 6 refs., 6 figs.
- Research Organization:
- Earth Sciences Geothermal Group, University of California; Lawrence Livermore National Laboratory (LLNL), Livermore, CA
- Sponsoring Organization:
- USDOE
- OSTI ID:
- 887410
- Report Number(s):
- SGP-TR-20-39
- Country of Publication:
- United States
- Language:
- English
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