| Smith Predictive PID Control in Vapor Temperature Control of Ground Source Heat Pump System |
Yun, Zerong; Wang, Zhigang; Fu, Wencheng |
— |
— |
Geothermal Resources Council Transactions |
2017 |
English |
| Synthetic 3D Imaging of Geothermal System Using Well-Logging Data Set |
Yun Teng and Katsuaki Koike |
6. Geology |
Well logging data, 3D imaging, Geologic model, Temperature distribution, Fluid flow, Hohi geothermal area |
World Geothermal Congress |
2005 |
English |
| Characterization of Acid Water in the Otake-Hatchobaru Geothermal Field |
Yumi Kiyota, Koji Matsuda and Kanichi Shimada |
— |
— |
PNOC-EDC Geothermal Conference |
1996 |
English |
| Evaluation on Geothermal Injection Treatment by pH Modification |
Yumi Kiyota, Kazuo Hirowatari, Hiroyuki Tokita, Kenji Haruguchi and Kouji Uogata |
Injection Technology |
silica scale, reinjection, Hatchobaru field |
World Geothermal Congress |
2000 |
English |
| Silica Scale Prevention Effects of Brine pH Modification at Hatchobaru Power Station, Japan |
Yumi Kiyota and Noriaki Uchiyama |
— |
Silica scale, pH modification, Hatchobaru field |
Western Pacific Regional Branch |
2011 |
English |
| The Performance of Compression-absorption Heat Pump System Using Low-temperature Geothermal Tail Water |
Yulie GONG, Chao LUO, Yuan YAO, Zhenneng LU, Weibin MA |
Geothermal Heat Pumps |
CAHP; COP; vertical out-tube falling film; generator; ammonia-water |
World Geothermal Congress |
2015 |
English |
| Hydrothermal Alterations and Petrophysical Properties: A Case Study of Yagodninskoe Zeolite Deposit, Kamchatka Peninsula |
Yulia DEMINA, Julia FROLOVA and Sergey RYCHAGOV |
Geology |
tuffs, petrophysical properties, Yagodninskoe deposit, zeolites, alteration |
World Geothermal Congress |
2015 |
English |
| A Tool for Thermo-sensitive Tracer Selection and Evaluation in Field Experiments |
Yulan JIN, Mario SCHAFFER, Tobias LICHA |
Modeling |
Thermo-Sensitive Tracers, Compound Selection, Tracer Test Dimensioning, Optimization, Thermal State, Temperature Distribution |
Stanford Geothermal Workshop |
2017 |
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 |
| Remodeling for Uninhabited Operation at Nighttime of Steam Supply Equipment |
Yukio Hazama |
Power Generation |
uninhabited operation |
World Geothermal Congress |
2000 |
English |
| Natural State Simulation of the Kakkonda Geothermal Field, Japan |
Yukihiro Sakagawa, Kengo Aoyama, Ken Ikeuchi, Masahiro Takahashi, Osamu Kato, Nobuo Doi, Toshiyuki Tosha, Takao Ominato and Kazuo Koide |
Reservoir Evaluation |
geothermal, natural state simulation, Kakkonda field, NEDOís project |
World Geothermal Congress |
2000 |
English |
| Effects of Exploitation in the Beppu Hydrothermal Field, Japan |
Yuki Yusa, Shinji Ohsawa and Koichi Kitaoka |
Case Histories |
Beppu Hydrothermal System, exploitation, longterm changes, piezometric head, seawater intrusion, geochemistry, thermal waters |
World Geothermal Congress |
2000 |
English |
| Changes in the Beppu Hydrothermal System (Japan) Due to Exploitalon |
Yuki Yusa, Shinji Ohsawa and Koichi Kitaoka |
Environmental |
— |
Japan International Geothermal Symposium |
1997 |
English |
| Age of the Beppu Hydrothermal System, Japan |
Yuki Yusa and Shinji Ohsawa |
Reservoir Evaluation |
Beppu Hydrothermal System |
World Geothermal Congress |
2000 |
English |
| Development of New Formulation of Calcium Aluminate Cement System for Ultrahigh-Temperature Supercritical Geothermal Wells |
Yuki YOSHIDA, Yoshiharu GOTO, Takashi SATO, Tetsuya ITO, Shigemi NAGANAWA |
Drilling and Completion Technology |
cementing, calcium aluminate cement, thickening time |
World Geothermal Congress |
2020 |
English |
| The Well Integrity Assessment by EM Wireline Logging in Acidic Geothermal Production Well: Case Study of the Hatchobaru Geothermal Field, Japan |
Yuki MAEHARA and Takayuki WADA |
Corrosion and Scaling |
well integrity, wireline logging, acidic fluid, corrosion, electro-magnetic |
World Geothermal Congress |
2020 |
English |
| Improvement of the Reservoir Model Using the Well-based Data and Geophysical Exploration Data in the Wasabizawa Field, Japan |
Yuki KANO, Takuya HORIKAWA, Shigetaka NAKANISHI, Kakeru SAKAMOTO, Toru TAKEYAMA |
Field Studies |
geophysics, modeling, reservoir simulation, electrical power generation, Wasabizawa |
Stanford Geothermal Workshop |
2025 |
English |
| Thermo-Mechanical Effects on Flow Channeling in Single- and Multi-Fracture Enhanced Geothermal Systems |
Yujie LIU, Hui WU |
Enhanced Geothermal Systems |
enhanced geothermal systems, multi-scale flow channeling, multi-fracture, fracture aperture |
Stanford Geothermal Workshop |
2026 |
English |
| Reservoir Monitoring in the Okuaizu Geothermal Field Using Multi-Geophysical Survey Techniques |
Yuji Nishi, Tuneo Ishido, Mituhiko Sugihara, Toshiyuki Tosha, Masaho Adachi, Kazuhiro Saeki and Junichi Ishizaki |
11. Reservoir Engineering |
reservoir monitoring, microgravity, self-potential,history-matching, Okuaizu |
World Geothermal Congress |
2005 |
English |
| Monitoring of Geyser Activity in Whakarewarewa, New Zealand |
Yuji Nishi, Tsuneo Ishido, Mituhiko Sugihara, Toshiyuki Tosha, Nobuo Matsushima and Bradley J. Scott |
Exploration and Development |
geothermal, geyser, self-potential, gravity, Whakarewarewa |
World Geothermal Congress |
2000 |
English |