| 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 |
| 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 |
| An Update on Mepas, a Software Package for Reservoir Mass and Heat Flow Characterization in Geothermal Reservoirs Using Micro-Earthquake Data |
Takashi Kuwano, Mineyuki Hanano, Masayuki Tateno, Satoshi Shigehara and Tomonori Ide |
Software for Geothermal Applications |
microearthquake |
World Geothermal Congress |
2000 |
English |
| A Study of a Technology for Optimizing Design of Micro-Earthquake Monitoring Network Systems in Geothermal Fields |
Satoshi Shigehara, Mineyuki Hanano, Masayuki Tateno, Takashi Kuwano and Shigeyuki Yamazawa |
Exploration and Development |
geothermal |
World Geothermal Congress |
2000 |
English |
| Modeling Studies of Sibayak Geothermal Reservoir, Northern Sumatra, Indonesia |
Jatmiko Prio Atmojo, Ryuichi Itoi, Michihiro Fukuda, Agus Widiyarso, Sayogi Sudarman and T Tanaka |
Case Histories |
Sibayak geothermal field, conceptual model, numerical simulation |
World Geothermal Congress |
2000 |
English |
| Ohaaki Reservoir Chemistry: Insights into the Nature and Location of the Heat Source(s) |
B. W. Christenson, E. K. Mroczek, M. K. Stewart, G. Lyon and B. M. Kennedy |
Exploration and Development |
fluid geochemistry |
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 |
| 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 |
| The Influence of Effluent Water Discharged from the N·mafjall Geothermal Field on Local Groundwater |
Steinunn Hauksdottir, Hrefna Kristmannsdottir, Gudni Axelsson, Halldor Armannsson, Helgi Bjarnason and Magnus Olafsson |
Environmental and Social Aspects |
Lake M?vatn, N·mafjall geothermal field, groundwater, tracer test, effluent water |
World Geothermal Congress |
2000 |
English |
| Modeling Studies of the Nesjavellir Geothermal Field, Iceland |
Benedikt Steingrimsson, Gudmundur S Bodvarsson, Einar Gunnlaugsson, Gestur Gislason and Omar Sigurdsson |
Reservoir Evaluation |
Iceland |
World Geothermal Congress |
2000 |
English |
| Resettlement of Affected Communities in the Leyte Geothermal Project and Strategies for Co-Existence Between the Community and Project Developer |
Agnes Cortez de Jesus |
Environmental and Social Aspects |
resettlement, sustainability, participatory action development |
World Geothermal Congress |
2000 |
English |
| Overprinting Events from Crosscutting Veins and Mineral Assemblages in Ulubelu Geothermal Field, Indonesia |
Eben Ezer Siahaan, Lokot Lubis and Bambang Budiarjo |
Case Histories |
— |
World Geothermal Congress |
2000 |
English |
| Gas Breakthrough' During Drilling at Darajat and Implications for Steamfield Management |
Arias Sugandhi and Jeffrey Wayne Roberts |
Reservoir Evaluation |
Darajat, vapor-dominated reservoir, drilling without circulation, gas breakthrough, model fit, gas & isotopic chemistry, steamfield management. |
World Geothermal Congress |
2000 |
English |
| Reservoir Management During 15 Years of Exploitation: Southern Negros Geothermal Production Field |
Raymundo G. Orizonte, Arthur E. Amistoso and A. R. Aqui |
Reservoir Evaluation |
Palinpinon field, reservoir management |
World Geothermal Congress |
2000 |
English |
| An Assessment of the Impact of In-Field Injection at the Malitbog Sector, Tongonan, Philippines |
Eugene T. Aleman and Virgilio S. Saw |
Reservoir Evaluation |
injection, Malitbog, Tongonan Field |
World Geothermal Congress |
2000 |
English |
| A Large-Scale Well Stimulation Campaign at Mahanagdong Geothermal Field (Tongonan), Philipines |
David M. Yglopaz, Jaime J. Austria, Ramonchito C. Malate, Balbino Bu?ing, Francis Xavier Sta. Ana, Jesus Reymundo Salera and Zosimo Sarmiento |
Case Histories |
geothermal well stimulation, acidizing, gas lifting, Mahanagdong, Tongonan, wellbore damage |
World Geothermal Congress |
2000 |
English |
| Lumped parameter model of the Bacon-manito geothermal production field Albay, Philipppines |
Varina R. Fajardo |
Reservoir Evaluation |
Pressure response, recharge constant, lumped parameter model |
World Geothermal Congress |
2000 |
English |
| Manito Lowlands:The First Low-Enthalpy Field Under Exploitation in the Philippines |
Dante O. Padua, Varina Fajardo and Pablo Gerona |
Direct Use, Geothermal Heat Pumps |
Manito Lowlands, reservoir characteristics, power plant, problems, development |
World Geothermal Congress |
2000 |
English |