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Keywords: Geothermal System
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Proceedings Papers

Paper presented at the 57th U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2023
Paper Number: ARMA-2023-0816
... and productivity indices for CO 2 plume geothermal systems. In addition, we use a coupled thermohydromechanical model to understand if the process might induce fracturing or seismicity. The result showed that the top of the reservoir, the formation porosity, and the formation thickness are the top three factors...
Proceedings Papers

Paper presented at the 57th U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2023
Paper Number: ARMA-2023-0390
... geothermal system that can act as energy storage media. Aquifer thermal storage systems are dependent on heat conductivity of rocks, storage capacity of aquifer, fluid flow, geochemistry and geo-mechanics. The goals of the project are to 1) evaluate the amount of energy that can be stored in deep aquifers; 2...
Proceedings Papers

Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-2326
... to generate electricity with the current price of electricity price, drilling, and completion cost. 1. INTRODUCTION We perform an analysis to evaluate the feasibility of developing an enhanced geothermal system (EGS) project, considering the evaluation and modeling of a horizontal well stimulated...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1286
... ABSTRACT: Heat production from Hot Dry Rocks (HDRs) using closed-loop horizontal wells is currently being tested at full-scale in Alberta, Canada. Here, a Finite Element Method (FEM) program is developed to evaluate the outlet fluid temperature from an impermeable HDR geothermal system...
Proceedings Papers

Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-0192
... ABSTRACT: The understanding of geothermal fields requires coupling between heat flow through fractures and induced seismicity. In this context, we develop a semi-analytical approach for estimating (1) thermo-poro-elastic stresses in a fractured geothermal system, and (2) seismicity rates...
Proceedings Papers

Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-0474
... ABSTRACT: Geothermal energy, with its combination of very low CO 2 emission rates and the possibility of providing electricity, has the potential of being a key factor in the global greenhouse gas emission reduction. Some geothermal systems, however, require stimulation to achieve economic...
Proceedings Papers

Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-0559
... ABSTRACT: Available geothermal energy extractable by conventional techniques is in dry and comparatively impermeable rocks. Enhanced Geothermal System (EGS) technologies enhance geothermal resources in the hot dry rock (HDR) through fracture operations, usually through hydro-shearing. Large...
Proceedings Papers

Paper presented at the 50th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2016
Paper Number: ARMA-2016-538
... Abstract: Geothermal energy is considered as an attractive alternative source of energy in some parts of the world. In general, geothermal systems can be identified as either open- or closed-loop. In an open-loop system, fluid is produced from the subsurface, while there might be some...
Proceedings Papers

Paper presented at the 47th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2013
Paper Number: ARMA-2013-632
... Intelligence fluid modeling complex reservoir Upstream Oil & Gas orientation conductivity tensor variance variability fracture network Underestimation Geothermal System Lawrence Livermore equation of state Sequestration hydraulic fracturing principal direction geothermal reservoir boundary...
Proceedings Papers

Paper presented at the 44th U.S. Rock Mechanics Symposium and 5th U.S.-Canada Rock Mechanics Symposium, June 27–30, 2010
Paper Number: ARMA-10-250
... ABSTRACT: Engineered Geothermal Systems (EGS) have garnered significant attention as a possible source of geographically disperse, carbon-free energy without the environmental impact of many other renewable energy sources. However, a significant barrier to the adoption of EGS...
Proceedings Papers

Paper presented at the Golden Rocks 2006, The 41st U.S. Symposium on Rock Mechanics (USRMS), June 17–21, 2006
Paper Number: ARMA-06-1133
... involving a coupling of thermal, hydraulic, mechanical, and/or chemical processes. As these processes operate within subsurface environments exploited for their energy resource, laboratory results provide insights into factors influencing the mechanical and hydraulic properties of geothermal systems. I...
Proceedings Papers

Paper presented at the Alaska Rocks 2005, The 40th U.S. Symposium on Rock Mechanics (USRMS), June 25–29, 2005
Paper Number: ARMA-05-727
... ABSTRACT: The network of joints in the Coso geothermal field, an enhanced geothermal system 200 km north of Los Angeles, CA, is characterized based on the investigation of fractures with significant aperture [1]. Using the stress tensor reported in [2] and a range of linear and non-linear...
Proceedings Papers

Paper presented at the Alaska Rocks 2005, The 40th U.S. Symposium on Rock Mechanics (USRMS), June 25–29, 2005
Paper Number: ARMA-05-797
... experiments are well described by poroelasticity as well as rate and state-variable friction. The combination of these constitutive relations may provide a powerful tool that can be used in numerical models that couple thermal, mechanical, hydraulic, and temporal processes ? as occur in geothermal systems...
Proceedings Papers

Paper presented at the Alaska Rocks 2005, The 40th U.S. Symposium on Rock Mechanics (USRMS), June 25–29, 2005
Paper Number: ARMA-05-891
... and the Aleutian Islands. They are associated with active volcanoes and subduction zone-related faulting. Installation of a 60 MWe plant on a similar volcano on the Kamchatka Peninsula, Russia has demonstrated the benefits of developing Aleutian-type geothermal systems. INTRODUCTION Affordable, reliable energy...
Proceedings Papers

Paper presented at the The 33rd U.S. Symposium on Rock Mechanics (USRMS), June 3–5, 1992
Paper Number: ARMA-92-0591
... rock to the circulating water, by convection. Radiation is assumed not to occur in the geothermal transfer system. Heat and mass transfer in geothermal systems have been studied both theoretically and experimentally (e.g., Elder 1966; Donaldson 1968; Brownell 1977; Garg and Kassoy 1981; Pine...

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