| Experimental Approach to Hydrothermally Derived Fracturing of Granitic Rock for Enhanced Geothermal Reservoir Systems |
Hirano, N.; Minakawa, A.; Bignall, G.; Yamasaki, N.; Tsuchiya, N.; Nakatsuka, K. |
HDR/EGS Theoretical Studies; Granite; Quartz; Fracture; Supe |
Enhanced Geothermal Systems Theoretical Studies; Granite; Quartz; Fracture; Supercritical Water; Hydrothermally-Derived Fracturing (HDF); Enhanced Geothermal System (EGS) |
Geothermal Resources Council Transactions |
2002 |
English |
| Hydraulic Properties Evaluation from Stoneley Wave Attenuation by Using Permeable Fracture Zone Model |
Saito, Hiroyuki; Hayashi, Kazuo |
HDR/EGS Theoretical Studies; FWAL; Borehole; Stoneley Wave; |
Enhanced Geothermal Systems Theoretical Studies; HDR; HWR; FWAL; Borehole; Stoneley Wave; Transmission Loss; Fracture Permeability, Fracture Aperture |
Geothermal Resources Council Transactions |
2002 |
English |
| Anisotropy of Cooling Joint Systems in Granite |
Kano, S.; Bignall, G.; Tsuchiya, N. |
HDR/EGS Theoretical Studies; Fracture Characterization; Colu |
Enhanced Geothermal Systems Theoretical Studies; Fracture Characterization; Columnar Joint; Parallelepiped Cooling Joint; Quenching Experiment; Thermal Cracking; Thermal Conduction Model |
Geothermal Resources Council Transactions |
2002 |
English |
| Geothermal Energy from Dry Holes: A Feasibility Study |
Bobok, Elemer; Toth, Aniko |
HDR/EGS Theoretical Studies; Dry Hole; Tubulars; Mathematica |
Enhanced Geothermal Systems Theoretical Studies; Dry Hole; Polypropylene Tubing; Mathematical Model |
Geothermal Resources Council Transactions |
2002 |
English |
| Numerical Simulation of Geothermal Reservoir Formation Induced by Hydraulic Fracturing at Great Depth |
Itaoka, Mikiyo; Sato, Kazushi; Hashida, Toshiyuki |
HDR/EGS Theoretical Studies; Deep-Seated Geothermal Reservoi |
Enhanced Geothermal Systems Theoretical Studies; Deep-Seated Geothermal Reservoir; Hydraulic Fracturing; Mixed-mode Fracture; Cohesive Crack Model; Finite Element Method; Embedded Crack Element |
Geothermal Resources Council Transactions |
2002 |
English |
| In Situ Stress Field and Permeable Fractures in the Akinomiya Geothermal Field, Japan |
Okabe, Takashi; Kajiwara, Tatsuya; Nakata, Haruya; Hayashi, Kazuo; Yokomoto, Seiichi; Miyazaki, Shin'ichi |
HDR/EGS Field Studies; Stress Field; Drilling-Induced Tensil |
Enhanced Geothermal Systems Field Studies; Stress Field; Drilling-Induced Tensile Fracture; BHTV/FMI; Inversion; Akinomiya; NEDO; Critically Stressed Shear Fractures |
Geothermal Resources Council Transactions |
2002 |
English |
| Stimulating Low Permeability Aquifers: Experiments in Rotliegend Sandstones (NE Germany) |
Hurter, Suzanne; Kohler, Silke; Saadat, Ali; Holl, Heinz-Gerd; Rockel, Wilfried; Trautwein, Ute; Zimmermann, Gunter; Wolfgramm, Markus; Huenges, Ernst |
HDR/EGS Field Studies; Hydraulic fracturing; ORC |
Enhanced Geothermal Systems Field Studies; Hydraulic Stimulation; North German Basin; ORC; Down-Hole Laboratory |
Geothermal Resources Council Transactions |
2002 |
English |
| Detailed Natural Fracture and Stress Distribution Revealed by FMI and UBI Loggings in the Newly Drilled OGC-3 Well at Ogachi HDR Test Site, Japan |
Ito, Hisatoshi; Okabe, Takashi |
HDR/EGS - Field Studies; Natural Fracture; Stress |
Enhanced Geothermal Systems - Field Studies; Ogachi; Natural Fracture; Stress; FMI, UBI |
Geothermal Resources Council Transactions |
2001 |
English |
| An Overview of the Ogachi HDR Project--Verification of the Reservoir Evaluation Methods Using Data from Well OGC-3 |
Ito, Hisatoshi; Kaieda, Hideshi; Suzuki, Koichi; Suenaga, Hiroshi; Kiho, Kenzo; Shin, Koichi; Kusunoki, Kenichiro; Kitano, Koichi; Hori, Yoshinao |
HDR/EGS - Field Studies; Natural Fracture; Reservoir Evaluat |
Enhanced Geothermal Systems - Field Studies; Ogachi; Natural Fracture; Reservoir Evaluation; Stress |
Geothermal Resources Council Transactions |
2001 |
English |
| An Integrated Geosciences and Engineering Approach to Put Low Permeability Aquifers to Use |
Kohler, Silke; Hurter, Suzanne; Saadat, Ali; Trautwein, Ute; Huenges, Ernst |
HDR/EGS - Field Studies; Hydraulic fracturing; ORC |
Enhanced Geothermal Systems - Field Studies; Hydraulic Stimulation; North German Basin; Downhole Laboratory; ORC |
Geothermal Resources Council Transactions |
2001 |
English |
| Simulated Evolution of Reservoir Properties for the Enhanced Geothermal System at Soultz-Sous-ForÍts: The Role of Hot Brine-Rock Interactions |
Laurent AndrÈ, FranÁois.-D. Vuataz |
HDR/EGS |
brine, Enhanced Geothermal System, thermo-hydraulic-chemical modelling, Soultz-sous-ForÍts |
Stanford Geothermal Workshop |
2005 |
English |
| Use of TOUGHREACT to Simulate Effects of Fluid Chemistry on Injectivity in Fractured Geothermal Reservoirs with High Ionic Strength Fluids |
Tianfu Xu, Guoxiang Zhang, and Karsten Pruess |
HDR/EGS |
HFR, HDR, EGS, Mineral scaling, Clay swelling, Injectivity enhancing, Injectate mitigation, Reactive transport modeling. |
Stanford Geothermal Workshop |
2005 |
English |
| A Hybrid Semi-Analytical and Numerical Method for Modeling Wellbore Heat Transmission |
Karsten Pruess and Yingqi Zhang |
HDR/EGS |
numerical simulation, wellbore heat transmission |
Stanford Geothermal Workshop |
2005 |
English |
| Using the Migration of Induced Micro-Seismicity as a Constraint for HDR Reservoir Modelling |
Dominique Bruel |
HDR/EGS |
upscaled permeability, micro-seismicity, hydrau-mechanical coupling, shear migration |
Stanford Geothermal Workshop |
2005 |
English |
| Sorbing Tracers - A Potential Tool for Determining Effective Heat Transfer Area in Hot Fractured Rock Systems |
Chao Shan and Karsten Pruess |
HDR/EGS |
analytical solution, sorbing tracer test, hot fractured rock, effective heat transfer area |
Stanford Geothermal Workshop |
2005 |
English |
| An EGS Stimulation Experiment under Low Wellhead Pressures |
Peter Rose, Jess McCulloch, Cliff Buck, Mike Adams, and Mike Mella |
HDR/EGS |
EGS, hydraulic stimulation, tracers, geochemical modeling |
Stanford Geothermal Workshop |
2005 |
English |
| The Genesys-Project: Extraction of Geothermal Heat from Tight Sediments |
R. Jung, J. Orzol, T. Tischner, R. Jatho, P. Kehrer |
HDR/EGS |
waterfrac-technique, hydraulic-fractures, heat from tight rocks, enhanced geothermal systems, one well systems, cyclic-heat production |
Stanford Geothermal Workshop |
2005 |
English |
| A 5000 m Deep Reservoir Development at the European HDR Site at Soultz |
R. Baria, S. Michelet, J. Baumgaertner, B. Dyer, J. Nicholls, D. Teza, T. Hettkamp, N. Soma, H. Asanuma and L. Kueperkoch |
HDR/EGS |
Stimulation, Microseismicity, Hot Dry Rock |
Stanford Geothermal Workshop |
2005 |
English |
| Stimulation Techniques Used in Enhanced Geothermal Systems: Perspectives from Geomechanics and Rock Physics |
Stephen L. Karner |
HDR/EGS |
EGS, stimulation |
Stanford Geothermal Workshop |
2005 |
English |
| Models of Subsurface Rock-Water Processes Affecting Fluid Flow |
Nancy Moller and John H. Weare |
HDR/EGS |
Enhanced Geothermal Systems (EGS), hydrothermal chemistry, thermodynamics, aluminosilicate minerals, chemical models |
Stanford Geothermal Workshop |
2005 |
English |