| Seismic Activity in the Kakkonda Geothermal System Characterized by the Quaternary Kakkonda Granite, Japan |
Nobuo Doi, Satoshi Shigehara, Ken Ikeuchi, Osamu Kato, Masaki Takahashi, Takao Ominato, Kazuo Koide and Toshiyuki Tosha |
Exploration and Development |
seismic activity, permeability, heat source, Kakkonda Granite, Iwate Volcano, Japan |
World Geothermal Congress |
2000 |
English |
| Update on Geothermal Development in the Philippines |
Vicente M. Karunungan and Rosanna A. Requejo |
Country Updates |
geothermal, Tiwi, Makban, Bacman, Tongonan, Palinpinon |
World Geothermal Congress |
2000 |
English |
| Development of Seismic Measurement Technology to Detect Changes in Reservoirs Using Active Sources |
Keiji Tanaka, Toshimasa Tajama, David Escobar, Hiroshi Takahashi and Shigeyuki Yamazawa |
Reservoir Evaluation |
seismic measurement |
World Geothermal Congress |
2000 |
English |
| Low Energy House with Ground Source Heat Pump in Hokkaido |
Yasuhiro Hamada, Kiyoshi Ochifuji, Katsunori Nagano and Makoto Nakamura |
Direct Use, Geothermal Heat Pumps |
experiment, ground source heat pump, low energy house, natural energy, hybrid system |
World Geothermal Congress |
2000 |
English |
| A Fully Three-Dimensional Thermo-Hydraulic Computation of the Ogachi HDR Reservoir |
Hiroshi Suenaga, Takeshi Yamamoto, Yuzuru Eguchi, Koichi Kitano and Hiroshi Ohnishi |
Advanced Technologies (HDR, Magma, Geopressure) |
HDR |
World Geothermal Congress |
2000 |
English |
| Pressure Changes in Reinjection Wells and Gravity Changes in Otake Geothermal Field, Japan |
Hiroki Saito, Mitsuru Honda, Koichi Tagomori, Koichi Haruguchi and Shozo Tsukamoto |
Reservoir Evaluation |
geothermal, gravity, water level, rainfall, pressure, reinjection |
World Geothermal Congress |
2000 |
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 |
| Submarine Geothermal Systems in Mexico |
Nadia Suarez-Bosche, Karina Suarez-Bosche and Mario C. Suarez A. |
Advanced Technologies (HDR, Magma, Geopressure) |
submarine geothermal field, geothermal gardens, deep sea life, Gulf of California, Wagner depression, Mexico |
World Geothermal Congress |
2000 |
English |
| Geochemical Evolution of the Los Azufres, Mexico, Geothermal Reservoir. Part I: Water and Salts |
Mirna del Rocio Tello Lopez and Mario Cesar Suarez Arriaga |
Case Histories |
geothermal brine |
World Geothermal Congress |
2000 |
English |
| Geochemical Evolution of the Los Azufres, Mexico, Geothermal Reservoir. Part II: Non-Condensible Gases |
Mario Cesar Suarez-Arriaga, Mirna del Rocio Tello Lopez and Fernando V. Samaniego |
Case Histories |
non-condensible gases |
World Geothermal Congress |
2000 |
English |
| Exploration Underground Structure by AE Observation in the Hatchobaru Geothermal Area, Japan |
Hiroshi Nagano, Koichi Tagomori, Hiroki Saito, Kenji Haruguchi, Seiji Nagano and Sachio Ehara |
Exploration and Development |
AE, microearthquake, geothermal, gravity, resistivity, attenuation |
World Geothermal Congress |
2000 |
English |
| Granite-Saline Fluid Interactions in a Dynamic Experimental System at 200 Degrees C and 50 Bars |
Valerie Plagnes, Isao Matsunaga, Mohamed Azaroua, Hiroaki Tao and Koichiro Fujimoto |
Advanced Technologies (HDR, Magma, Geopressure) |
Hot Dry Rock, experimental study, geochemistry, Soultz-sous-Forets, granite, saline fluid |
World Geothermal Congress |
2000 |
English |
| Reaction of pH-Adjusted Reinjection Brine and Geothermal Reservoir: Simulation by Chemical Equilibrium Approach |
Norifumi Todaka and Hiroyuki Muratake |
Exploration and Development |
pH-adjusted brine, rock titration, reinjection, sulfuric acid, silica scale |
World Geothermal Congress |
2000 |
English |
| Depth of Magma Chamber Determined by Experimental Petrologic Methods |
Akihiko Tomiya |
Exploration and Development |
magma chamber, experimental petrology, Usu volcano, deep-seated geothermal resource |
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 |
| Tracer Responses in Gas - Liquid, Two - Phase Flow Through Porous Media |
Daisuke Haga, Yuichi Niibori and Tadashi Chida |
Reservoir Evaluation |
Two-phase flow, Bubble flow, Tracer responses, Dispersion, Porous media, Reservoir evaluation |
World Geothermal Congress |
2000 |
English |
| Progress of the Task of HDR Evaluation Under IEA Agreement |
Tsutomu Yamaguchi, Michio Kuriyagawa, Isao Matsunaga, Norio Tenma and Hirokazu Karasawa |
Advanced Technologies (HDR, Magma, Geopressure) |
HDR |
World Geothermal Congress |
2000 |
English |
| Yanaizu-Nishiyama Geothermal Power Station H2S Abatement System |
Kazuo Takahashi and Mituru Kuragaki |
Environmental and Social Aspects |
Odor, H2S Abatement System |
World Geothermal Congress |
2000 |
English |
| Thermal Areas of the Philippines |
Ruel T. Malapitan and Alicia N. Reyes |
Exploration and Development |
thermal areas, volcanic belts, structures, occurrences, reserves and resources |
World Geothermal Congress |
2000 |
English |
| New Development of 3-D Stochastic Model for Design of HDR/HWR Geothermal Reservoirs System |
Ayumu Shimizu, Toshiyuki Hashida, Kimio Watanabe and Jonathan Willis-Richards |
Advanced Technologies (HDR, Magma, Geopressure) |
stimulation |
World Geothermal Congress |
2000 |
English |