| New Applications of Geothermal Gas Analysis to Exploration |
Norman, David I.; Blamey, Nigel; Kurilovitch, Lynne |
Geochemical surveys; Exploration; Gas; Fluid inclusions; Dri |
Geochemical Exploration; Geothermal; Gas; Reservoir; Fluid; Inclusion; Drilling; Drillcore; Borehole; Lightning Dock; Cerro Prieto; Coso |
Geothermal Resources Council Transactions |
2002 |
English |
| Radon and Carbon Dioxide Diffuse Soil Degassing at Ahuachapan Geothermal Field, El Salvador |
Magana, Maria Ines; Lopez, Dina L.; Tenorio, Jose; Matus, Antonio |
Geochemical Exploration; Active Fault; Carbon dioxide; Degas |
Geochemical Exploration; Active Fault; Anomaly; CO2 Flux; Degassing; Radon; Thoron |
Geothermal Resources Council Transactions |
2002 |
English |
| The Behaviour of Hg in Some New Zealand Geothermal Reservoir and Production Environments |
Christenson, Bruce W.; Mroczek, Edward K.; Taguchi, Sachihiro |
Geochemical surveys; Exploration; Mercury; Cinnabar; Brine c |
Geochemical Exploration; Hg Transport; Cinnabar; Reservoir Fluid Chemistry; Thermodynamic Reaction Pathways; Kawerau Geothermal Field; Ohaaki Geothermal Field; Rotokawa Geothermal Field; Ngawha Geothermal Field |
Geothermal Resources Council Transactions |
2002 |
English |
| Developing a HDR Reservoir in Australia by Hydraulic Stimulation: A Shear-Dilation Model for Design and Evaluation |
Tran, N. H.; Rahman, M. K.; Rahman, S. S. |
HDR/EGS Theoretical Studies; Hydraulic fracturing |
Enhanced Geothermal Systems Theoretical Studies; HDR Reservoir; Hydraulic Stimulation; Shear-Dilation; Permeability Enhancement |
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 |
| Using Geothermal Hybrid Plants for Electricity Production from Enhanced Geothermal Systems |
Kohl, T.; Speck, R.; Steinfeld, A. |
HDR/EGS; Hybrid power generation |
Enhanced Geothermal Systems Theoretical Studies; Hybrid Power Plants; Low-Enthalpy Area; European HDR Site; EGS Systems; Electricity Production |
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 |
| Elastic Waves Radiating from a Penny-Shaped Reservoir Crack |
Ito, Shin; Hayashi, Kazuo; Saito, Hiroyuki |
HDR/EGS; Radiation Pattern; Elastic Wave; Geothermal Reservo |
Enhanced Geothermal Systems Theoretical Studies; Radiation Pattern; Elastic Wave; Hot Dry Rock; Geothermal Reservoir Crack |
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 |
| Development of Geothermal Exploration Techniques between 1980 and 2002 in NEDO, Japan |
Horikoshi, T.; Tosha, T.; Kikuchi, T. |
HDR/EGS; Exploration; Geothermal History |
Enhanced Geothermal Systems Theoretical Studies; NEDO Project; Exploration Technique; Geothermal History |
Geothermal Resources Council Transactions |
2002 |
English |
| 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 |
| Analysis of Thermal Effectiveness of Geothermal Multi-Borehole Circulating System |
Fomin, S.; Yoshida, K.; Hashida, T. |
HDR/EGS Theoretical Studies; Injection; Mathematical Model; |
Enhanced Geothermal Systems Theoretical Studies; Geothermal Energy; Heat Transfer; Injection and Production Wells; Mathematical Model; Multi-Borehole System |
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 |
| Reservoir Monitoring by Tracer Test of a 2001 Long Term Circulation Test at The Hijiori HDR Site, Yamagata, Japan |
Yanagisawa, Norio; Matsunaga, Isao; Sugita, Hajime; Tao, Hiroaki |
HDR/EGS; Tracer testing; Long Term Circular Test; Reservoir |
Enhanced Geothermal Systems Field Studies; Tracer Test; HDR; Long Term Circular Test; Reservoir Monitoring; Flow Path; Geochemistry |
Geothermal Resources Council Transactions |
2002 |
English |
| Productivity Changes in the Multi-Reservoir System at the Hijiori HDR Test Site During the Long-Term Circulation Test |
Tenma, Norio; Yamaguchi, Tsutomu; Tezuka, Kazuhiko; Kawasaki, Kouichi; Zyvoloski, George |
HDR/EGS; Long-term circulation test; Multi-reservoir System |
Enhanced Geothermal Systems Field Studies; Hijiori; HDR; EGS; Long-term circulation test; FEHM; Multi-reservoir System |
Geothermal Resources Council Transactions |
2002 |
English |
| Desert Peak East, Nevada: A Step Toward EGS Commercialization in the Basin and Range |
Schochet, Daniel; Robertson-Tait, Ann; Schriener, Alexander, Jr. |
HDR/EGS |
Enhanced Geothermal Systems Field Studies; EGS; HDR; Desert Peak; Basin and Range |
Geothermal Resources Council Transactions |
2002 |
English |
| Deep Sub-Vertical Structure at Soultz Hot Dry Rock Site Estimated by Reflection Technique Using Multi-Component Acoustic Emission Events |
Soma, Nobukazu; Niitsuma, Hiroaki; Baria, Roy |
HDR/EGS; Acoustic Emission; Reflection; Sub-Vertical Structu |
Enhanced Geothermal Systems Field Studies; Acoustic Emission; Reflection; HDR/EGS; Soultz; Sub-Vertical Structure |
Geothermal Resources Council Transactions |
2002 |
English |
| Creation of an Enhanced Geothermal System Through Hydraulic and Thermal Stimulation |
Rose, Peter E.; Barton, Colleen; Petty, Susan; McCulloch, Jess; Moore, Joseph N.; Kovac, Katie; Sheridan, Judith; Spielman, Paul; Berard, Brian |
HDR/EGS; Fractures |
Enhanced Geothermal Systems Field Studies; Fracture Analysis; Coso |
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 |
| DOE's Enhanced Geothermal Systems Program |
Nathwani, Jay; Creed, Robert J. |
HDR/EGS |
Enhanced Geothermal Systems Field Studies; Geothermal; EGS; DOE |
Geothermal Resources Council Transactions |
2002 |
English |