| Fracture Analyses in Hot Dry Rock Drillholes at Soultz and Urach by Borehole Televiewer Measurements |
Tenzer, Helmut; Budeus, Peter; Schellschmidt, Rudiger |
Fractures; HDR/EGS; Well logging; Hydraulic fracturing |
Exploration; Reservoir Engineering; Germany; France; Stuttgart; Elsace; Televiewer; Borehole; Alteration Zones; Stress Analysis; Hydraulic Fracturing; Structural Analysis |
Geothermal Resources Council Transactions |
1992 |
English |
| Fracturing Origin of Geothermal Fields in the Mexican Volcanic Belt |
Lopez-Hernandez, Aida |
Exploration; Fractures; Stress fields; Volcanism; Geological |
Exploration; Reservoir Engineering; Mexico; Tectonics; Case Studies; Stress Analysis; Caldera; Permeability; Age Dating; Volcanics; Magma; Fumaroles; La Primavera; Los Humeros; Los Azufres |
Geothermal Resources Council Transactions |
1992 |
English |
| Evaluation of Permeable Fractures by Multi-Offset Hydrophone VSP |
Kiguchi, Tsutomu; Ito, Hisao; Kuwahara, Yasuto; Nakao, Shinsuke; Ohminato, Takao |
Exploration; Geophysical surveys; Vertical seismic profiles; |
Exploration; Reservoir Engineering; S Wave; P Wave; Seismic Survey; Tube Wave; Models |
Geothermal Resources Council Transactions |
1992 |
English |
| Structural Tectonic Analysis of Ahuachapan-Chipilapa Geothermal Field, El Salvador |
Garduno, M. V.; Gonzalez, P. E.; Verma, M. P.; Renteria, T. D.; Torres, R. V.; Nieva, D.; Faz, P. |
Exploration; Tectonics; Fractures; Faults; Remote sensing; S |
Exploration; El Salvador; Volcanic Structures; Volcanics; Fracture Rosette Analysis; Fault Systems; Subduction Zone; Caribbean Plate; Cocos Plate; Llano Fault System; Molino Fault System; Chipilapa Fault System; Cuyanausul Fault System |
Geothermal Resources Council Transactions |
1992 |
English |
| Induced Seismicity and Flow Paths Associated with Forced Fluid Percolation |
Cornet, F. H.; Jianmin Yin |
Microseismicity; Induced seismicity; Hydraulic fracturing; H |
Reservoir Engineering; Exploration; France; Fractures; Microseismicity; Hot Dry Rock; Induced Seismicity; Injection; Reservoir Development; Interstitial Pressure; Pore Pressure; Hydraulic Fracturing; Flow Rates; Hydraulic Impedance; Pressure Gradients; Le |
Geothermal Resources Council Transactions |
1992 |
English |
| Seismic Tomography Measurements in a Volcanic Geology Area Accompanied with Vertical Fractures |
Aoki, Yutaka; Kawanaka, Taku; Asakawa, Eiichi; Sasada, Masakatsu; Matsunaga, Jun |
Exploration; Geophysical surveys; Vertical seismic profiles; |
Reservoir Engineering; Exploration; Japan; Tomography; Seismic Survey; Seismic Noise; Volcanics; Fractures; Tanna Basin |
Geothermal Resources Council Transactions |
1992 |
English |
| Magnetic Anomalies over the Wairakei Geothermal Field, Central North Island, New Zealand |
Soengkono, S.; Hochstein, M. P. |
Exploration; Geophysical surveys; Magnetic surveys; Computer |
Exploration; New Zealand; North Island; Wairakei; Airborne Magnetic Survey; Hydrothermal Alteration; Models; Rhyolites; Andesites; Ignimbrites; Resistivity; Taupo Volcanic Zone |
Geothermal Resources Council Transactions |
1992 |
English |
| LINEAR E-SCAN: A Reconnaissance Resistivity Mapping System that Evaluates its Own Anomalies En Route |
Shore, Greg A.; Clearwater, R. Peter |
Exploration; Geophysical surveys; Resistivity surveys |
Exploration; Canada; Hot Springs; Dipole; Mt Cayley; Meager Mountain; High Cascades; Garibaldi Belt |
Geothermal Resources Council Transactions |
1992 |
English |
| Hidden Anomalies: Small Near-Surface Resistivity Variations Can Completely Mask Large, Deeper Anomalies |
Shore, Greg A.; Clearwater, R. Peter |
Exploration; Geophysical surveys; Resistivity surveys; Compu |
Exploration; Canada; B C; Meager Mountain; Dipole; Conductivity; Alteration; Permeability; Anomalies; Models; Meager Creek |
Geothermal Resources Council Transactions |
1992 |
English |
| Self-Potential Expression of Hydrothermal Resources in the Southern Rio Grande Rift, New Mexico |
Ross, Howard P.; Witcher, James C. |
Exploration; Geophysical surveys; Self-potential surveys |
Exploration; USA; New Mexico; Rio Grande Rift; Caliche; Volcanics; High Temperature; Radon; Opal; Hot Springs; Anomalies; Temperature Gradients; Resistivity; Seismic; Radium Springs; Rincon Geothermal Area; Tortugas Mountain Geothermal Area; Las Cruces Ea |
Geothermal Resources Council Transactions |
1992 |
English |
| Evaluation of Electromagnetic Methods for Geothermal Reservoir Detection |
Johnston, Jeffery M.; Pellerin, Louise; Hohmann, Gerald W. |
Geophysical surveys; Resistivity surveys; Magnetotelluric su |
Exploration; MT; CSAMT; Alteration; Model; Reservoir |
Geothermal Resources Council Transactions |
1992 |
English |
| Geothermal Energy and Activity of the Yakedake Volcano, Gifu-Nagano, Japan |
Iriyama, Jun |
Exploration; Volcanism; Fumaroles; Geological surveys; Therm |
Exploration; Japan; Solfatara; Eruption; MWe; Hydrothermal; Hot Springs; Geysers; Travertine; pH; Conductivity; Thermal Gradient; Gamada River; Takahara River; Azusa River |
Geothermal Resources Council Transactions |
1992 |
English |
| Study for the Development of New Interpretative Criteria for Gravity Studies of Geothermal Areas -- Case Study of Los Humeros, Pue., Mexico |
Garcia-Estrada, Gerardo Hector |
Exploration; Geophysical surveys; Gravity surveys |
Exploration; Mexico; Puebla; Los Humeros; Caldera; Volcanics; Modeling |
Geothermal Resources Council Transactions |
1992 |
English |
| Microseismic Monitoring During Production and Reinjection Tests in the Chipilapa Geothermal Field (El Salvador) |
Fabriol, Hubert; Beauce, Alain; Jacobo, Renato; Quijano, Julio |
Microseismicity; Well testing; Injection testing; Flow testi |
Exploration; El Salvador; Chipilapa; Injection; Reinjection; Earthquakes; Microearthquakes; Hypocenters; Tectonics; Fumaroles |
Geothermal Resources Council Transactions |
1992 |
English |
| Analysis of Geothermal Gradient Data from the Pine Flat and Klau Mine Areas, Sonoma and Lake Counties, California |
Blackwell, David D. |
Exploration; Geophysical surveys; Shallow temperature survey |
Exploration; USA; California; Sonoma; Lake; Heat Flow; Thermal Gradients; Terrain Effects; Thermal Conductivity; Thermal Continuation |
Geothermal Resources Council Transactions |
1992 |
English |
| Evaluation of Physical Methods in Geothermal Exploration of Rifted Volcanic Crust |
Arnason, Knutur; Flovenz, Olafur G. |
Exploration; Geophysical surveys; Temperature gradients; Res |
Exploration; Iceland; Resistivity; Caldera; Dipole; AMT/MT; Temperature Gradients; Gravity; Heat Flow; Alteration; Conductivity; CSAMT; TEM; Self Potential; Magnetic; Seismic Noise |
Geothermal Resources Council Transactions |
1992 |
English |
| Gas Measurements on Geothermal Fluids Trapped in Fracture Filling Minerals: A New Window into the History of Geothermal Systems |
Williams, A. E.; McKibben, M. A.; Sloan, R. C., Jr. |
Exploration; Geochemical surveys; Fluid inclusions |
Brine Technology; Exploration; Mass Spectrophy; Hydrogen; Oxygen; CO2; H2S; Hydrothermal; Fluid Inclusions; Flow Test; Adsorption; Spectrometer |
Geothermal Resources Council Transactions |
1992 |
English |
| Petrologic Considerations for Hot Dry Rock Geothermal Site Selection in the Clear Lake Region, California |
Stimac, James; Goff, Fraser; Hearn, B. Carter, Jr. |
Exploration; HDR/EGS; Volcanism; Magmatism; Geological surve |
Exploration; Hot Dry Rock; USA; California; Clear Lake; Volcanics; Magma; Silica; Tomography; Seismic; Tectonics; K-Ar; Ryolite; Basalt; Mt Konocti; Borax Lake |
Geothermal Resources Council Transactions |
1992 |
English |
| Review of Perceived Relationships Between Epithermal Mineral Deposits and Active Geothermal Systems |
Miller, J. David; Flynn, Thomas |
Exploration; Geological surveys; Blind reservoirs; Geochemic |
Exploration; USA; New Zealand; Nevada; California; Hydrothermal; Moderate Temperature; High Temperature; Sulfur; Mercury; Hot Springs; Sinter; Tufa; Chalcedony; Epithermal; Oxygen; Hydrogen; Isotope; Basin and Range; Wind Mountain; Rye Patch KGRA; Round M |
Geothermal Resources Council Transactions |
1992 |
English |
| An Investigation of the Hot Mineral Spa Geothermal Area, Riverside and Imperial Counties, California |
Craig Hunter, Christy |
Exploration; Geological surveys; Hydrogeology; Geochemical s |
Direct Use; Exploration; USA; California; Riverside; Imperial; Low Temperature; Oxygen; Isotopes; Hydrothermal; Hydrogen; Equilibrium Temperature; Tritium; Geothermometers; San Andreas Fault; Salton Sea |
Geothermal Resources Council Transactions |
1992 |
English |