| Experimental Study on a Scale Prevention Method Using Exhausted Gases from Geothermal Power Stations |
Hirowatari, Kazuo; Yamauchi, Masao |
Scaling; Silica; Brine chemistry |
Production; Power Generation; Brine Technology; Research Agencies; Silica; Noncondensable Gas; pH; Carbon Dioxide; Injection; Reinjection; Fluid Injection; Scaling; Corrosion; HC1; Scale; Hydrogen Sulfide; NEDO; Solubility in Brine; Brine; Injection Syste |
Geothermal Resources Council Transactions |
1990 |
English |
| Drilling Performance of PDC Bits for Geothermal Well Development in Field Experiments |
Hiroyuki IMAIZUMI, Tetsuji OHNO, Hirokazu KARASAWA, Kuniyuki MIYAZAKI, Eko AKHMADI, Masahiro YANO, Yosuke MIYASHITA, Naoto YAMADA, Tetsuomi MIYAMOTO, Masatoshi TSUZUKI, Satoshi KUBO, Yasuyuki HISHI |
Drilling |
PDC cutter, PDC bit, Drilling, ROP, WOB, TOB, Wear resistance, Toughness, Impact, Abrasion, Structural analysis, Fluid analysis |
Stanford Geothermal Workshop |
2019 |
English |
| Investigation of Deep Geothermal System in the Kakkonda Geothermal Field, Northern Japan |
Hiroyuki Kamenosono, Toshhiro Uchida, Kohei Akaku, Munetake Sasaki, Shin-ichi Miyazaki and Nobuo Doi |
Geology and Exploration |
— |
PNOC-EDC Geothermal Conference |
1997 |
English |
| Development of Thermal Response Test Device with Automatic Control System |
Hiroyuki KOSUKEGAWA, Hikari FUJII |
Geothermal Heat Pumps |
ground source heat pump, thermal response test, ground heat exchanger |
World Geothermal Congress |
2015 |
English |
| Long-Term Heating Test Using the Semi-open Loop Ground Source Heat Pump System |
Hiroyuki KOSUKEGAWA, Hikari FUJII |
Direct Use |
ground source heat pump, ground heat exchanger, thermal response test, groundwater flow |
Stanford Geothermal Workshop |
2019 |
English |
| Toshiba's Experiences of Geothermal Power Plant and Their Features |
Hiroyuki Ohira, Hiroshi Hamano and Nobuo Okita |
Power Generation |
geothermal, power plant, steam turbine |
World Geothermal Congress |
2000 |
English |
| Sonic Log in a Fluid-Filled Borehole with a Fracture Resulting from Hydraulic Fracturing |
Hiroyuki Saito and Kazuo Hayashi |
Reservoir Evaluation |
HDR, HWR, FWAL, Borehole Stoneley wave, and Fracture aperture |
World Geothermal Congress |
2000 |
English |
| A Middle-Term Power Output Prediction at the Hatchobaru Field by Coupling Multifeed Wellbore Simulator and Fluid-Gathering Pipeline Simulator to Reservoir Simulator |
Hiroyuki Tokita, Enrique Lima, and Kouji Hashimoto |
11. Reservoir Engineering |
Hatchobaru, wellbore simulator,multi-feed, coupled simulator, MULFEWS,TPGS |
World Geothermal Congress |
2005 |
English |
| Development and Verification of a Method to Forecast Hot Springs Interference Due to Geothermal Power Exploitation |
Hiroyuki Tokita, Hiroshi Takagi, Yumi Kiyota, Koji Matsuda, Hideki Hatanaka, Kanichi Shimada, Hirofumi Inuyama, Roger Young, Larry F. Bayrante, Oliver T. Jordan, Jesus Reymundo M. Sa |
Environmental and Social Aspects |
Environment, Hot Spring Interference, Wairakei, Palinpinon, Simulation, TOUGH2 |
World Geothermal Congress |
2000 |
English |
| Maintaining the Rated Power Output of the Hatchobaru Geothermal Field Through an Integrated Reservoir Management |
Hiroyuki Tokita, Kenji Haruguchi and Hiroyuki Kamenosono |
Case Histories |
Hatchobaru, injection, maintenance, simulation, TOUGH2, tracer |
World Geothermal Congress |
2000 |
English |
| Development of the MULFEWS Multi-Feed Wellbore Simulator |
Hiroyuki Tokita, Ryuichi Itoi |
MODELING |
MULFEWS, WELLBORE SIMULATOR |
Stanford Geothermal Workshop |
2004 |
English |
| Cooling Effect and Fluid Flow Behavior Due to Reinjected Hot Water in the Hatchobaru Geothermal Field, Japan |
Hiroyuki Tokita, Tetsuya Yahara and lsao Kitakoga |
SECTION 7 - Field Management and Monitoring |
cooling effect, Hatchobaru, injection, pressure, simulation, tracer test |
World Geothermal Congress |
1995 |
English |
| Geothermal Education Program in El Salvador Through SATREPS Project |
Hiroyuki YAMAGISHI, Noriyoshi TSUCHIYA, Shin KOSHIYA, Hiroshi ASANUMA, Tatsuya KAJIWARA |
Geothermal Education |
SATREPS, El Salvador, geothermal exploration, thermoluminescence, human resource development |
World Geothermal Congress |
2020 |
English |
| Small-Scale Use of Geothermal Power at Oserian Farms, Naivasha, Kenya |
Hirsch, Stephen |
Flash steam power generation; Single flash |
Oserian Development Co.; Geothermal Development Associates; Elliott Company; Kenya Geothermal Plant; Small-Scale Geothermal Plant; Non-Condensing Plant |
Geothermal Resources Council Transactions |
2009 |
English |
| SANet/Geothermal Market Facilitation Initiative |
Hirsch, Stephen |
Renewable energy; Energy markets |
International Studies; Sustainable Alternatives Network; Market Facilitation |
Geothermal Resources Council Transactions |
2002 |
English |
| The African Rift Geothermal Development Facility Framework, Progress and Next Steps |
Hirsch, Steve |
Exploration; Risk management; Financing |
Exploration - New Fields; Rift Valley; Eastern Africa; GEF/UNEP; African Rift Geothermal Development Facility; Exploration Risk Guarantee Fund; Resource Assessment Center; Transaction Advisory Fund; Power Plant Development Scheme; Commercial Geothermal S |
Geothermal Resources Council Transactions |
2004 |
English |
| Geothermal Development in the Eastern African Region |
Hirsch, Steve |
Exploration; Risk; Financing |
New Geothermal Projects; GEF/UNEP Geothermal Energy Development Facility; Exploration Risk Guarantee Fund; Resource Assessment Center; Transaction Advisory Fund; Power Plant Fund; Commercial Geothermal Services |
Geothermal Resources Council Transactions |
2003 |
English |
| Evaluating the Potential and the Uses for Super Hot Rock Geothermal in the Western Canadian Sedimentary Basin |
Hirschmiller, John; Riva, Darcy |
Superhot resources; Feasibility studies |
— |
Geothermal Resources Council Transactions |
2023 |
English |
| Dry Steam Scrubbing for Impurity Removal from Superheated Geothermal Steam |
Hirtz, P. N.; Broaddus, M. L.; Gallup, D. L. |
Power plant design and operation; Hydrogen chloride; Superhe |
Power Plant Operations; HCI; Superheat; Steam Wash; Corrosion Control; Amine |
Geothermal Resources Council Transactions |
2002 |
English |
| Tracer Dilution Measurements for Two-Phase Geothermal Production: Comparative Testing and Operating Experience |
Hirtz, Paul; Lovekin, Jim |
Two phase flow; Tracer testing |
Production; Two-phase flow; Enthalpy; Tracers |
Geothermal Resources Council Transactions |
1995 |
English |