| Study on Surface Area Estimation of the Ogachi HDR Reservoir by Geochemical Method |
Kenzo Kiho |
Advanced Technologies (HDR, Magma, Geopressure) |
Fluid geochemistry, A/M ratio, water-rock interaction, HDR, surface area, Ogachi reservoir |
World Geothermal Congress |
2000 |
English |
| Heat and Mass Transfer Processes After 1995 Phreatic Eruption of Kuju Volcano, Central Kyusyu, Japan |
Sachio Ehara, Yasuhiro Fujimitsu, Jun Nishijima, Akira Ono and Yuichi Nakano |
Advanced Technologies (HDR, Magma, Geopressure) |
hydrothermal system, phreatic eruption, heat discharge rate ,water balance, volcano energy |
World Geothermal Congress |
2000 |
English |
| Ogachi HDR Reservoir Evaluation by Ae and Geophysical Methods |
Hideshi Kaieda, Robert H. Jones, Hirokazu Moriya, Shunji Sasaki and Keisuke Ushijima |
Advanced Technologies (HDR, Magma, Geopressure) |
Hot Dry Rock, AE, Ogachi, Fracture, Reservoir |
World Geothermal Congress |
2000 |
English |
| 3D Modeling and Inversion of Fluid Flow Tomography Data |
Keisuke Ushijima, Hideshi Kaieda and Hideki Mizunaga |
Advanced Technologies (HDR, Magma, Geopressure) |
fracture location |
World Geothermal Congress |
2000 |
English |
| Development of Metal-Seal Packer to Estimate In-Situ Fracture Aperture |
Takashi Takehara, Tsutomu Yamaguchi, Takashi Narita and Yoshiaki Mizuta |
Advanced Technologies (HDR, Magma, Geopressure) |
Hot Dry Rock, hydraulic fracturing, fracture aperture, Dual Single-Packer, Rubber-Seal Packer, Metal-Seal Packer |
World Geothermal Congress |
2000 |
English |
| Outline of the Ogachi HDR Project and Character of the Reservoirs |
Koichi Kitano, Yoshinao Hori and Hideshi Kaieda |
Advanced Technologies (HDR, Magma, Geopressure) |
Hot Dry Rock, Circulation Test, Geothermal Reservoir, Geological Structure, Ogachi |
World Geothermal Congress |
2000 |
English |
| Analysis in Preparation for Hijiori Long Term Circulation Test |
T. Okabe, K. Kirihara, K. Hayashi, K. Karasawa, D. Swenson and R. Schroeder |
Advanced Technologies (HDR, Magma, Geopressure) |
Hijiori |
World Geothermal Congress |
2000 |
English |
| Characterization of HDR Reservoir by Seismic Signal While Drilling |
Hiroshi Asanuma, Hakusei Liu, Hiroaki Niitsuma and Roy Baria |
Advanced Technologies (HDR, Magma, Geopressure) |
seismic while drilling, reflection method, Soultz HDR Project |
World Geothermal Congress |
2000 |
English |
| Reflection Imaging of HDR Reservoir at Soultz by Means of the AE Reflection Method |
Nobukazu Soma, Hiroaki Niitsuma and Roy Baria |
Advanced Technologies (HDR, Magma, Geopressure) |
geophysical prospecting |
World Geothermal Congress |
2000 |
English |
| Identification of Structures Inside an AE/Microseismic Cloud in a HDR Reservoir and Relocation by a Modified Collapsing Method |
Hiroshi Asanuma, Manabu Ishimoto, Robert Jones and Hiroaki Niitsuma |
Advanced Technologies (HDR, Magma, Geopressure) |
acoustic emission/microseismicity |
World Geothermal Congress |
2000 |
English |
| Field Observation of Cooling Joint System in the Quaternary Takidani Pluton, Japan |
Shingo Kano, Kenichi Kishi, Kazuya Saito, Chie Shiro, Noriyoshi Tsuchiya and Katsuto Nakatsuka |
Advanced Technologies (HDR, Magma, Geopressure) |
Takidani Granitoid Rocks, Natural Fracture Network, Joint Spacing, Joint Block Size, Cooling Joint System |
World Geothermal Congress |
2000 |
English |
| Reevaluation of Reservoir Structure at Ogachi HDR Field by Precise Source Location of AE Multiplet |
Hirokazu Moriya, Hiroaki Niitsuma and Hideshi Kaieda |
Advanced Technologies (HDR, Magma, Geopressure) |
doublet/multiplet,Ogachi HDR field |
World Geothermal Congress |
2000 |
English |
| Study of Microseismic Doublet/Multiplet for Evaluation of Subsurface Fracture System in Soultz HDR Field |
Hirokazu Moriya, Katsuhisa Nakazato, Hiroaki Niitsuma and Roy Baria |
Advanced Technologies (HDR, Magma, Geopressure) |
doublet/multiplet |
World Geothermal Congress |
2000 |
English |
| Time-Dependent Closure and Permeability of a Small-Scale Hydraulic Fracture Under Constant Normal Stress |
Erqi Wang, Kiyotoshi Sakaguchi, Kiyohiko Okumura and Koji Matsuki |
Advanced Technologies (HDR, Magma, Geopressure) |
hydraulic fracture, granite, time-dependent closure, time-dependent permeability, hydraulic aperture, constant normal stress |
World Geothermal Congress |
2000 |
English |
| Stress Measurement Using Rock Core in an HDR Field |
Yasuki Oikawa and Tsutomu Yamaguchi |
Advanced Technologies (HDR, Magma, Geopressure) |
Geothermal, Stress, Core, Dsca, Asr, Hijiori |
World Geothermal Congress |
2000 |
English |
| Heat and Fluid Flow at the Soultz Hot Dry Rock System in the Rhine Graben |
Daniel Pribnow and Christoph Clauser |
Advanced Technologies (HDR, Magma, Geopressure) |
HDR, Rhinegraben, Heatflow, Fluidflow |
World Geothermal Congress |
2000 |
English |
| Effects of CO2 on Water/rock Chemical Interactions in Geothermal Reservoir Environment |
Yuko Suto, Nakamichi Yamasaki, Toshiyuki Hashida and Yuki Yamasaki |
Advanced Technologies (HDR, Magma, Geopressure) |
CO2, geothermal reactor, underground injection, water/rock interaction |
World Geothermal Congress |
2000 |
English |
| Laboratory Simulation of Granite-Fluid Interactions Up to Supercritical Conditions |
Greg Bignall, Nakamichi Yamasaki and Toshiyuki Hashida |
Advanced Technologies (HDR, Magma, Geopressure) |
granite-fluid interactions, supercritical conditions, HDR, alteration, fluid geochemistry |
World Geothermal Congress |
2000 |
English |
| A Newly Developed Flow-Reactor, with Ph Measurement System, for Laboratory Simulation of Water-Rock Interaction Processes |
Greg Bignall, Nakamichi Yamasaki and Toshiyuki Hashida |
Advanced Technologies (HDR, Magma, Geopressure) |
flow-reactor system, pH measurement, fluid-rock interaction, laboratory simulation, HDR |
World Geothermal Congress |
2000 |
English |
| Advanced Power Plants for Use with Hot Dry Rock (HDR) and Enhanced Geothermal Technology |
Moshe Grassiani and Zvi Krieger |
Advanced Technologies (HDR, Magma, Geopressure) |
Power Plants, HDR, EGS |
World Geothermal Congress |
2000 |
English |