| The Solubility and Kinetics of Minerals under CO2-EGS Geothermal Conditions: Comparison of Experimental and Modeling Results |
Tianfu Xu; Dobson, Patrick F.; Petro, Miroslav |
Carbon dioxide; HDR/EGS; Fluid rock interaction; Brine chemi |
CO2-EGS; mineral alteration; mineral solubility; reaction kinetics; geochemical modeling; supercritical CO2 |
Geothermal Resources Council Transactions |
2012 |
English |
| Relative Permeability Measurement and Numerical Modeling of Two-Phase Flow through Variable Aperture Fracture in Granite under Confining Pressure |
Watanabe, Noriaki; Sakurai, Keisuke; Ishibashi, Takuya; Tsuchiya, Noriyoshi |
Permeability; Fluid dynamics; Fractures; Two phase flow |
Relative permeability; numerical modeling; two-phase flow; fracture; granite; confining pressure; geothermal reservoir |
Geothermal Resources Council Transactions |
2012 |
English |
| A Three-Dimensional Poroelastic Model for Naturally Fractured Geothermal Reservoir Stimulation |
Xiaonan Wang; Ghassemi, Ahmad |
HDR/EGS; Reservoir modeling; Fractures; Thermodynamics; Perm |
EGS; Fracture network; poroelasticity; reservoir stimulation; stress dependent permeability |
Geothermal Resources Council Transactions |
2012 |
English |
| Toward Affordable Low-Carbon Power: Economic and Environmental Analyses of Integrating CO2-EGS with IGCC |
Turaga, Uday; Shembekar, Vishakha; Viswanathan, Subbaraman; Mohan, Arun Ram; Pisupati, Sarma; Elsworth, Derek |
Carbon dioxide sequestration; HDR/EGS; Economics; Feasibilit |
EGS; IGCC; CO2; technology integration; water; geo-fluid; environmental footprints; LCA; EGS economics; cost analysis |
Geothermal Resources Council Transactions |
2012 |
English |
| Supply Chain Challenges in Commercial Deployment of EGS |
Turaga, Uday; Shembekar, Vishakha; Carlton, Chris; Goodspeed, Kevin; Schumaker, Jessica; van Adrichem, Max |
HDR/EGS; Energy markets; Economics; Business administration |
Supply chain; gaps; EGS; geothermal; at-scale; drilling rigs; seismic crews; casing; tubing; liners |
Geothermal Resources Council Transactions |
2012 |
English |
| Experimental Approach for Decompression Drilling in High Temperature Geothermal Conditions |
Tsuchiya, Noriyoshi; Yamamoto, Keishi; Hirano, Nobuo |
Rock mechanics; Fractures; Decompression drilling; HDR/EGS |
Fracturing; ductile zone; EGS; hydraulic stimulation; supercritical geothermal fluid; drilling technology |
Geothermal Resources Council Transactions |
2012 |
English |
| Fracture Network Interpretation through High Resolution Velocity Models: Application to The Geysers Geothermal Field |
Tafti, Tayeb A.; Aminzadeh, Fred |
Microseismicity; Fractures; Seismic velocity; Reservoir mode |
Geothermal reservoir; fracture; microseismic; The Geysers; tomographic inversion; Poisson’s ratio |
Geothermal Resources Council Transactions |
2012 |
English |
| Wellbore Heat Transfer in CO2-Based Geothermal Systems |
Randolph, Jimmy B.; Adams, Benjamin; Kuehn, Thomas H.; Saar, Martin O. |
Carbon dioxide; Thermodynamics; Working fluids; HDR/EGS |
CO2 Plume Geothermal; CPG; geothermal; carbon dioxide sequestration; numerical simulation; heat transfer; EGS |
Geothermal Resources Council Transactions |
2012 |
English |
| Designing a Deep Hole in Crystalline Rock |
Pye, Steve; Bauer, Steve; Finger, John |
Deep drilling; Economics; HDR/EGS |
Drilling; well cost; crystalline rock; large diameter; exploration |
Geothermal Resources Council Transactions |
2012 |
English |
| Advanced Electric Submersible Pump Design Tool for Geothermal Applications |
Xuele Qi; Turnquist, Norman; Ghasripoor, Farshad |
Submersible pumps; Equipment design; HDR/EGS |
Electrical submersible pumps; Enhanced Geothermal Systems; design tool; mixed-flow centrifugal pump; impeller; diffuser; CFD |
Geothermal Resources Council Transactions |
2012 |
English |
| Estimating “Technical Capacity” for Geothermal Electricity Generation in the United States |
Pritchett, John W. |
HDR/EGS; Geothermal overviews |
Geothermal; EGS; capacity; electricity; resource estimation; heat recovery |
Geothermal Resources Council Transactions |
2012 |
English |
| Computational Framework for EGS Fracture Stimulation |
Pogacnik, J.; Leary, P.; Malin, P. |
HDR/EGS; Stress fields; Fluid dynamics; Injection; Fractures |
Enhanced/Engineered Geothermal Systems; finite element method; fully-coupled problems; permeability enhancement |
Geothermal Resources Council Transactions |
2012 |
English |
| Correlation between the Coulomb Stress and Occurrence of the Large Induced Seismicity at Basel, Switzerland in 2006 |
Mukuhira, Yusuke; Asanuma, Hiroshi; Haring, Markus |
Induced seismicity; HDR/EGS; Stress fields; Faults |
Microseismicity; magnitude; HDR; EGS; stimulation; Basel; Coulomb stress |
Geothermal Resources Council Transactions |
2012 |
English |
| Opening Mode Stimulation or Shear Stimulation? |
McClure, Mark; Horne, Roland |
HDR/EGS; Hydroshearing; Hydraulic fracturing; Fractures; Roc |
EGS; shear stimulation; hydraulic fracturing; pressure transient analysis |
Geothermal Resources Council Transactions |
2012 |
English |
| Engineered Geothermal Systems: Energy Return on Energy Investment |
Mansure, J. |
HDR/EGS; Feasibility studies; Energy policy; Economics |
Energy; EROI; EGS; efficiency; energy investment; energy return; input energy; energy payback; net energy |
Geothermal Resources Council Transactions |
2012 |
English |
| Fractures ~ Porosity ? Connectivity ~ Permeability ? EGS Flow Stimulation |
Leary, P.; Pogacnik, J.; Malin, P. |
Fluid dynamics; Permeability; Fractures; Reservoir modeling; |
EGS; fractures; fluid flow; hydrofracturing; reservoir stimulation; induced seismicity |
Geothermal Resources Council Transactions |
2012 |
English |
| Incorporating Complex Three-Dimensional Fracture Networks into Geothermal Reservoir Simulation |
Kalinina, Elena; McKenna, Sean A.; Klise, Katherine A.; Hadgu, Teklu; Lowry, Thomas Stephen |
Reservoir modeling; Fractures; HDR/EGS |
Geothermal; reservoir simulation; EGS; system dynamics; heat transport; fracture network; anisotropic permeability; Fractured Continuum Model (FCM); geostatistical simulations |
Geothermal Resources Council Transactions |
2012 |
English |
| Upgrading of Aperture Model Based on Surface Geometry of Natural Fracture for Evaluating Channeling Flow |
Ishibashi, Takuya; Watanabe, Noriaki; Hirano, Nobuo; Okamoto, Atsushi; Tsuchiya, Noriyoshi |
Fractures; Fluid dynamics; Permeability |
Rock fracture; channeling flow; scale dependency; heterogeneous aperture distribution; preferential flow path; confining pressure |
Geothermal Resources Council Transactions |
2012 |
English |
| Ogachi EGS Reservoir Analysis |
Kaieda, Hideshi |
HDR/EGS; Well testing; Flow testing; Tracer testing; Microse |
EGS; Ogachi; hydraulic stimulation; AE observation; permeability; tracer test |
Geothermal Resources Council Transactions |
2012 |
English |
| Kinetics of Colloidal Silica Gelation at EGS Conditions and Implications for Reservoir Modification |
Hunt, Jonathan; Ezzedine, Souheil; Bourcier, William; Roberts, Sarah |
Silica gels; HDR/EGS; Diverting agents; Fractures |
Silica; blocking agents; reservoir engineering; EGS; gel; viscosity |
Geothermal Resources Council Transactions |
2012 |
English |