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Shear-slip Analysis in Multiphase Fluid-flow Reservoir Engineeringap Plications Using TOUGH-FLAC.

Jens BirkholzerJonny RutqvistChin-Fu TsangCurt OldenburgFrederic Cappa

出版	United States. Department of Energy, 2006
URL	http://books.google.com.hk/books?id=UC8ODQEACAAJ&hl=&source=gbs_api

註釋This paper describes and demonstrates the use of the coupledTOUGH-FLAC simulator for geomechanical shear-slip (failure) analysis inmultiphase fluid-flow reservoir-engineering applications. Two approachesfor analyzing shear-slip are described, one using continuum stress-strainanalysis and another using discrete fault analysis. The use of shear-slipanalysis in TOUGH-FLAC is demonstrated on application examples related toCO2 sequestration and geothermal energy extraction. In the case of CO2sequestration, the shear-slip analysis is used to evaluate maximumsustainable CO2-injection pressure under increasing reservoir pressure, whereas in the case of geothermal energy extraction, the shear-slipanalysis is used to study induced seismicity during steam productionunder decreasing reservoir pressure and temperature.