| Exploration of Potential Fractures by Water Injecting Operations |
Keisuke Ushijima, Koichi Tagomori and Isao Kitakoga |
Injection Technology |
Fracture Imaging, Water Injection, Sp Monitoring, 3D Inversion, Fft Survey, Exploratory Drilling |
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 |
| The Geothermal Power Business in Java - Bali: Trading Mechanism, Competitiveness with Fossil Fuel, and Challenges to Its Development |
Firdaus Akmal, Herman Darnel and Puguh Sugiharto |
Economic and Financing, Privatization |
Geothermal, Investment Procedure, Production Cost Competitiveness and Challenge. |
World Geothermal Congress |
2000 |
English |
| An Updated Geothermal Resources Map of the Tohoku Volcanic Arc, Japan |
Shiro Tamanyu, Masaaki Takahashi, Yasuaki Murata, Keiji Kimbara, Masayori Kawamura, Humiharu Yamaguchi and Takeo Matsunami |
Exploration and Development |
geothermal, resources map, Quaternary volcanoes, Tohoku Volcanic Arc, Japan |
World Geothermal Congress |
2000 |
English |
| ESR Dating of Quartz Veins : Cooling History of a Hydrothermal System |
Keiko Mizugaki |
Exploration and Development |
ESR dating |
World Geothermal Congress |
2000 |
English |
| State of the Art of the Automatic Control and Monitoring System from the Geothermal Plant from the University of Oradea, Romania: Present and Perspectives |
Doina Zmaranda and Gianina Gabor |
Software for Geothermal Applications |
Control System, Programmable Logic Controller (PLC), User Interface |
World Geothermal Congress |
2000 |
English |
| X-Ray CT Imaging of Pores and Fractures in the Kakkonda Granite, NE Japan |
Tomoyuki Ohtani, Yoshito Nakashima, Tsukasa Nakano and Hirofumi Muraoka |
Exploration and Development |
pores, fractures, X-ray computerized tomography, granite, Kakkonda geothermal field |
World Geothermal Congress |
2000 |
English |
| Inferred Section of the Main (low Temperature) Geothermal Systems in the Republic of Macedonia |
Mirjana S. Gorgieva, Dusko Gorgiev, Kiril Popovski, Kostadin Dimitrov and Saso Manasov |
Direct Use, Geothermal Heat Pumps |
low temperature systems, geological sections, karst reservoir |
World Geothermal Congress |
2000 |
English |
| District Heating in Reykjavik - 70 Years Experience |
Einar Gunnlaugsson, Hreinn Frimannson and Gunnar A. Sverrisson |
Case Histories |
Reykjavik, District heating, geothermal |
World Geothermal Congress |
2000 |
English |
| The Resistivity Structure of High-Temperature Geothermal Systems in Iceland |
Knutur Arnason, Ragna Karlsdottir, Hjalmar Eysteinsson, Olafur G. Flovenz and Steinar Thor Gudlaugsson |
Exploration and Development |
Exploration, Resistivity structure, Thermal alteration |
World Geothermal Congress |
2000 |
English |
| Nesjavellir Co-Generation Plant, Iceland. - Flow of Geothermal Steam and Non-Condensable Gases |
Gestur Gislason |
Environmental and Social Aspects |
Geothermal, Nesjavellir, utilisation, environmental, non-condensable gases, CHP |
World Geothermal Congress |
2000 |
English |
| Cooling Indications of the Ulubelu Geothermal System, South Sumatra, Indonesia |
M.Yustin Kamah, Marihot SP Silaban and Mulyadi |
Exploration and Development |
Ulubelu, Indonesia, cooling, hydrothermal minerals, fluid inclusions |
World Geothermal Congress |
2000 |
English |
| Development of Data Base System for Lost Circulation and Analysis of the Data |
Masami Hyodo, Koji Kitao and Takafumi Furukawa |
Drilling and Completion Technology |
Geothermal, Lost Circulation, Database, Expert System |
World Geothermal Congress |
2000 |
English |
| Development of the Drilling Support System as a Part of the MWD System for Geothermal Wells |
Satoshi Ujo, Masami Hyodo, Satoshi Nakashima, Haruya Nakata, Tayuki Kondo and Hirokazu Karasawa |
Drilling and Completion Technology |
MWD, well trajectory, well trajectory prediction, formation temperature |
World Geothermal Congress |
2000 |
English |
| Recent Reservoir Studies of the Olkaria Geothermal Field, Kenya |
Cornel Ofwona |
Reservoir Evaluation |
Olkaria, Interference, Micro-Seismicity |
World Geothermal Congress |
2000 |
English |
| Prevention of Scale Adhesion Using Surface Treatment of Coating with Organic Compound at Geothermal Power Station |
Kenji Shimizu, Eiichi Suzuki, Yuko Mitobe, Hidetoshi Hirahara, Hiroshi Nakazawa, Tokumi Saito, Kazuo Oyama and Rokunosuke Hirata |
Power Generation |
scale privention |
World Geothermal Congress |
2000 |
English |
| The Effect of Neat Magnesium Oxide (MgO) as Expanding Additive on Cement Shear Bond Strength at High Temperature Up to 250oC |
Aris Buntoro and Rudi Rubiandini R.S. |
Drilling and Completion Technology |
thermal cement |
World Geothermal Congress |
2000 |
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 |
| Extraction of Geothermal Energy and Electric Power Generation Using a Large Scale Heat Pipe |
Shunji Kusaba, Hirosi Suzuki, Kazuo Hirowatari, Masataka Mochizuki, Koichi Mashiko, Thang Nguyen and Akbar Akbarzadeh |
Direct Use, Geothermal Heat Pumps |
geothermal heat extraction, heat pipe, turbine |
World Geothermal Congress |
2000 |
English |
| Scale Prevention Method by pH Modification Using Advanced Bioreactor |
K. Takeuchi, Y. Fujioka, K. Hirowatari, S. Kusaba and H. Suzuki |
Integrated Energy Systems |
scale prevention, H2S abatement, bioreactor, pH modification |
World Geothermal Congress |
2000 |
English |