| NEDO "Deep-Seated Geothermal Resources Survey" Overview |
Yagi, M.; Muraoka, H.; Doi, N.; Miyazaki, S. |
Exploration; Drilling; Lost circulation; Core sampling; Well |
Drilling; Lost Circulation; Casing; Cores; Geology; Mineralogy; Loggings; Models |
Geothermal Resources Council Transactions |
1995 |
English |
| Micro-Earthquake Monitoring and Tri-Axial Drill-Bit VSP in NEDO "Deep-Seated Geothermal Reservoir Survey" in Kakkonda, Japan |
Takahashi, Masaki; Tateno, Masayuki; Kondo, Tayuki; Suzuki, Iwao; Shigehara, Satoshi; Yagi, Masahiko; Muraoka, Hirofumi; Niitsuma, Hiroaki |
Microseismicity; Exploration; Geophysical surveys; Vertical |
Exploration; Hypocenters; Drill Bits; Fracture Distribution; Geological; Earthquakes; Seismicity; Reflectors |
Geothermal Resources Council Transactions |
1995 |
English |
| Deep-Seated Geothermal Resources in Kyushu Island, Japan |
Shimada, Kainichi; Fujino, Toshio |
Exploration; Geochemical surveys; Isotopes; Hydrogeology |
Exploration; Japan; Oita; Hatchobaru; Conceptual models; Geochemistry; Geothermometer; Isotopes; Fault; Geology; CSAMT; Gravity survey; Hydrothermal |
Geothermal Resources Council Transactions |
1995 |
English |
| Material Damage in High Velocity Acidic Fluids |
Sanada, N.; Kurata, Y.; Nanjo, H.; Ikeuchi, J. |
Corrosion; Brine chemistry; Durability testing |
Power Generation; Brine Technology; Corrosion; Coupons; Steam; Two Phase; Materials; Stainless; Steel; Titanium; Chemical composition; HCL; Acid; Brine; pH; Temperature; MITI; Steam fraction; Well casing |
Geothermal Resources Council Transactions |
1995 |
English |
| Temperature Profile Monitoring in Geothermal Wells by Distributed Temperature Sensing Technique |
Sakaguchi, Keiichi; Matsushima, Nobuo |
Well logging; Temperature gradients; Injection; Equipment de |
Drilling; Reservoir Engineering; Logging tools; Temperature log; Temperature; Injection test; Injection; Logging; Thermometers; Well logging; Distributed temperature sensing; Optical fiber; Ramen scattering |
Geothermal Resources Council Transactions |
1995 |
English |
| Trajectory Correction Experiment at 2,600m Depth in Well WD-1A, Kakkonda, Japan -- TDS as a Cooling Device While RIH |
Saito, Seiji; Sakuma, Sumio; Yagi, Masahiko; Muraoka, Hirofumi |
Drilling; Directional drilling; High temperature reservoirs; |
Drilling; Japan; Iwate; Kakkonda; Directional drilling; Mud motors; MWD; TDS; High temperature; Mud cooling; BHCT |
Geothermal Resources Council Transactions |
1995 |
English |
| Borehole Dynamic Temperature Survey Experiment in WD-1A, Kakkonda, Japan |
Saito, Seiji; Sakuma, Sumio; Ujyo, Satoshi; Muraoka, Hirofumi |
Drilling; Well logging; Temperature gradients; Drilling flui |
Drilling; Borehole temperature; Temperature logs; Japan; Iwate; Kakkonda; Mud cooling; PT-Memory gauge; TDS |
Geothermal Resources Council Transactions |
1995 |
English |
| Development of the Well Trajectory Prediction System as a Part of the MWD System for Geothermal Wells |
Nakashima, Satoshi; Nakata, Haruya; Takasugi, Shinji |
Drilling; Directional drilling; Equipment design |
Drilling; NEDO; Mud motors; Rotary; Directional drilling |
Geothermal Resources Council Transactions |
1995 |
English |
| Development of the EM Tomography System by the Vertical ElectroMagnetic Profiling (VEMP) Method |
Miura, Yasuo; Osato, Kazumi; Takasugi, Shinji; Muraoka, Hirofumi; Yasukawa, Kasumi |
Exploration; Geophysical surveys; Resistivity surveys; Well |
Exploration; Japan; Iwate Prefecture; Kakkonda; Feasibility study; Conductivity; Control source; Electromagnetic; Magnetotelluric; Horizontal loop; NEDO |
Geothermal Resources Council Transactions |
1995 |
English |
| Characteristics of Fractures Based on FMI Logs and Cores in Well WD-1 in the Kakkonda Geothermal Field, Japan |
Kato, Osamu; Doi, Nobuo; Akazawa, Tsukashi; Sakagawa, Yukihiro; Yagi, Masahiko; Muraoka, Hirofumi |
Exploration; Fractures; Well logging; Core sampling; Stress |
Exploration; Research Agencies; Drilling; Japan; Iwate Pref.; Kakkonda; Fractures; Tectonics; NEDO; Well Logging; (Drilling Induced Fracture) |
Geothermal Resources Council Transactions |
1995 |
English |
| The Nature and Occurrence of Geothermal Resources of Japan -- A Review |
Ehara, Sachio; Fujimitsu, Yasuhiro |
Geothermal overviews; Exploration; Heat flow |
Exploration; Geological; Geophysical; Curie Isotherm; Heat Flow; KGRAs; Deep-seated Geothermal Resources |
Geothermal Resources Council Transactions |
1995 |
English |
| Geothermal Resources of Kyushu, Southwest Japan with Special Focus on the Kuju Volcanic Region |
Ehara, Sachio |
Exploration; Volcanism; Heat flow; Computer modeling; Reserv |
Exploration; Tectonics; Volcanics; Grabens; Heat Flow; Isotherms; Anomalies; Convective; Models; Conductive |
Geothermal Resources Council Transactions |
1995 |
English |
| Neo-Tectonic Fracturing after Emplacement of Quaternary Granitic Pluton in the Kakkonda Geothermal Field, Japan |
Doi, Nobuo; Kato, Osamu; Kanisawa, Satoshi; Ishikawa, Ken-ichi |
Exploration; Geological surveys; Fractures; Granite; Lost ci |
Exploration; Stratigraphy; Geology; Metamorphism; Granite; Modes; Microearthquakes; Lost Circulations; Temperature Logs |
Geothermal Resources Council Transactions |
1995 |
English |
| Hot Dry Rock Reservoir 3D Simulation of the Ogachi Site |
Yamamoto, Takeshi; Fujimitsu, Yasuhiro; Ohnishi, Hiroshi |
HDR/EGS; Reservoir modeling; Computer modeling; Microseismic |
Japan; Chiba; Ogachi; Spinner Survey; Temperature logs; Microearthquake; Reservoir models; Hydraulic fracturing; Injection well; Production well; Stimulation |
Geothermal Resources Council Transactions |
1995 |
English |
| Hydraulic and Thermal Behavior of the Hijiori HDR Upper Reservoir |
Yamaguchi, Tsutomu; Kobayashi, Hideo; Matsunaga, Isao; Sato, Yoshiteru |
HDR/EGS; Well testing; Circulation testing |
Hot Dry Rock; Hijori; Back pressure; Cyclic; Multiwell; Stimulation; Temperature; Closed-loop; Drilling; Reservoir; Fractures; Thermal drawdown |
Geothermal Resources Council Transactions |
1995 |
English |
| Stimulation of the 2200-m-Deep Reservoir at Hijiori HDR Test Site |
Sato, Yoshiteru; Ikawa, Terumichi |
HDR/EGS; Hydraulic fracturing; Well logging; Fractures |
Japan; Hijiori; Hot Dry Rock; Stimulation; Hijiori; Logging; Reservoir; Seismic event; Drilling; Coring |
Geothermal Resources Council Transactions |
1995 |
English |
| Heat Extraction from the Ogachi 151-Day HDR Circulation Test |
Kruger, Paul; Yamamoto, Takeshi |
HDR/EGS; Well testing; Circulation testing |
Injection Wells; Heat Content; Thermal Extraction; Models; Flow Rates; Bottomhole Temperatures |
Geothermal Resources Council Transactions |
1995 |
English |
| An HDR System Hydraulics Model and Detailed Analysis of the 1991 Circulation Test at the Hijiori HDR Site, Japan |
Hyodo, M.; Shinohara, N.; Takasugi, S.; Wright, C. A.; Conant, R. A. |
HDR/EGS; Well testing; Circulation testing; Transient pressu |
Hot Dry Rock; Power Generation; Models; Impedances; Wellbores; Steady-state Analysis; Capacitance; Transient Analysis |
Geothermal Resources Council Transactions |
1995 |
English |
| Hot Dry Rock in the United States: Putting a Unique Resource to Practical Use |
Duchane, Dave |
HDR/EGS; Reservoir engineering; Feasibility studies; Economi |
Hot Dry Rock; Power Generation; USA; NM; Los Alamos County; Injection; Closed Loop; Reinjection; Reservoir; Drilling; Pressure; Fenton Hill; Heat mining; Hydraulic fracturing; Water quality; Renewable energy; Efficiency; Costs; Cyclic; Heat flow; Long ter |
Geothermal Resources Council Transactions |
1995 |
English |
| 1995 Verification Flow Testing of the HDR Reservoir at Fenton Hill, New Mexico |
Brown, Donald |
HDR/EGS; Well testing; Circulation testing; Tracer testing; |
Hot Dry Rock; Seismicity; Backpressure; Phases; Pressure; Flow Impedance; Tracer; Temperatures |
Geothermal Resources Council Transactions |
1995 |
English |