| Regional Evaluation and Statistical Modeling of Required Lengths for a Borehole Heat Exchanger Considering Varied Geology in Japan |
Yoshitaka SAKATA, Takao KATSURA and Katsunori NAGANO |
Geothermal Heat Pumps |
geologic database, ground thermal conductivity, Heat pump simulation, optimization, gaussian process regression |
World Geothermal Congress |
2020 |
English |
| Development of High-temperature Well Cement for Supercritical Geothermal Drilling with Consideration of Set Cement Strength |
Shimatoshi SAKUMA, Issei HAYASHI, Shigemi NAGANAWA, Takashi SATO, Tetsuya ITO, Yuki YOSHIDA |
Drilling and Completion Technology |
Supercritical Geothermal System, Drilling, Cementing, |
World Geothermal Congress |
2020 |
English |
| Particle Transport in Fractures: A Common Problem in Enhanced Geothermal Systems and Hydraulic Fractures |
Saeed SALIMZADEH, James KEAR, Hamidreza M. NICK |
EGS - Enhanced Geothermal Systems |
Coupled formulation, density-driven flow, gravity settlement, hydraulic fracturing |
World Geothermal Congress |
2020 |
English |
| Direct Use from Geothermal Brine to Subtitute Conventional Raw Material in Heating Process for Drying Palm Sugar in Lahendong Geothermal Field, Indonesia |
Rahindradi Puntho SAMBODHO, Mukhamad NASHIR, Bagus Dimas WIBISONO, Apriyansah TONI |
Direct Use |
PT Pertamina Geothermal Energy, Lahendong, Direct Use, Palm Sugar, Brine |
World Geothermal Congress |
2020 |
English |
| Geological Study in Hanle Geothermal Prospect, Djibouti |
Youssouf Hassan SAMOD, Toshiaki HOSODA |
Geology |
Hanle plateau, Stratoid Basalt, cross section, faults, wells |
World Geothermal Congress |
2020 |
English |
| Geological Study of Lake Abhe, Geothermal Field, Djibouti |
Youssouf Hassan SAMOD, Sigurður G KRISTINSSON |
Geology |
Graben, Lake Abhe, Afar depression, Travertine, Fault |
World Geothermal Congress |
2020 |
English |
| Aluto-Langano Geothermal Field, Ethiopia: Complete Image of Underlying magmatic-hydrothermal System Revealed by Revised Interpretation of Magnetotelluric Data |
Friedemann SAMROCK, Alexander GRAYVER, Biruk CHERKOSE, Alexey KUVSHINOV, Martin O. SAAR |
Geophysics |
Ethiopia, Aluto-Langano, magnetotellurics, 3-D inversion, volcano monitoring |
World Geothermal Congress |
2020 |
English |
| Application of a Unique Loss Circulation Curing Cement Spacer During Cement Placement in Geothermal Wells |
SAMUEL A S, UCHENDU C, OKOTO F, MALECHE J, KHAEMBA A, MURUNGI L and KULAKOFSKY D |
Drilling and Completion Technology |
well integrity, annulus, cement, zonal isolation, displacement, spacer, losses, loss circulation material, fractured formation, low fracture gradient |
World Geothermal Congress |
2020 |
English |
| Costa Rica Country Update |
Eddy SANCHEZ - RIVERA, Leonardo SOLIS - SALGUERO, Hartman GUIDO - SEQUEIRA, Osvaldo VALLEJOS - RUIZ |
Country Updates |
investment, challenge, sustainability, expansion |
World Geothermal Congress |
2020 |
English |
| Physical, Chemical and Mineralogical Evolution of the Tolhuaca Geothermal System, Southern Andes, Chile |
Pablo SANCHEZ-ALFARO, Pamela PEREZ-FLORES, Daniele TARDANI, Martin REICH, José CEMBRANO, Julie ROWLAND, Gloria ARANCIBIA |
Geology |
Tolhuaca geothermal system, fault-fracture networks, hydrothermal alteration, fluid inclusions, Liquiñe-Ofqui fault system |
World Geothermal Congress |
2020 |
English |
| Volcano-Tectonic-Geothermal Domains on the Southern Andes Volcanic Zone |
Pablo SANCHEZ-ALFARO, Pamela PEREZ-FLORES, Daniele TARDANI, José PIQUER, José CEMBRANO, Diego ARAVENA, Martin REICH |
Geology |
Liquiñe-Ofqui fault system, Andean transverse faults, geochemistry, Andes, Chile |
World Geothermal Congress |
2020 |
English |
| Evidence of Dissolved Organic Compounds in a Mexican High-Temperature Geothermal Field |
Juan Ignacio SÃNCHEZ-AVILA, Brenda GARCÃA-SÃNCHEZ, Gabriela VARA-CASTRO and Thomas KRETZSCHMAR |
Geochemistry |
Organic dissolved fraction; medium-volatility; SPE-GC-MS analysis; biogenic and abiogenic origin; natural tracers; Super-hot geothermal system; Los Humeros geothermal field |
World Geothermal Congress |
2020 |
English |
| Heat Transfer in High Enthalpy Geothermal Wells |
Pedro SANCHEZ-UPTON |
Production Engineering, Steam Gathering Systems |
Heat transfer, adiabatic, wellbore simulator, feed zone, well completion |
World Geothermal Congress |
2020 |
English |
| Empirical Partitioning of CO2 in H2O-CO2 Mixtures |
Pedro SANCHEZ-UPTON |
Geochemistry |
gas-liquid equilibrium, binary system, solubility, mass fraction, partition, partial pressure, non-linear regression, linear interpolation, specific enthalpy. |
World Geothermal Congress |
2020 |
English |
| Main Geochemical Characteristics of the Deep Geothermal Brine at Vendenheim (France) with Constraints on Temperature and Fluid Circulation |
Bernard SANJUAN, Gabrielle NEGREL, Morgan LE LOUS, Ewan POULMARCH, Frederick GAL, Pierre-Clément DAMY |
EGS - Enhanced Geothermal Systems |
geochemical data; brine; geothermal well; geothermometer; temperature; water circulation; Rhine Graben; Vendenheim |
World Geothermal Congress |
2020 |
English |
| Geophysical Methods Implemented for Geological Structures Characterization in El Salvador Geothermal Fields |
Pedro SANTOS |
Geophysics |
geological structures, Misse a la Masse, gravity anomaly |
World Geothermal Congress |
2020 |
English |
| Well Logging Analysis and Wellbore Simulation of Well SV-26 in Svartsengi Iceland |
Arief Imam SANTOSO, GrÃmur BJÖRNSSON, Gunnar THORGILSSON, LúdvÃk S. GEORGSSON |
Reservoir Engineering |
Well logging analysis, injectivity and productivity index, wellbore simulation, wellhead output curve, Svartsengi Iceland |
World Geothermal Congress |
2020 |
English |
| Study of the Water-Rock Interaction Processes in the Hidden Geothermal System of Acoculco Puebla (México) by Using a Geochemometric Modeling |
Gustavo SANTOS-RAGA, Edgar SANTOYO, Erika ALMIRUDIS, Mirna GUEVARA, David YÃÑEZ-DÃVILA |
Geochemistry |
geochemometric modeling, water-rock interaction, hidden geothermal system, REE |
World Geothermal Congress |
2020 |
English |
| The Origin of Radon Anomalies Along Geological Structures and Degassing Pathways of the Geothermal System of Acoculco, Puebla (Mexico) |
Edgar SANTOYO, Erika ALMIRUDIS, Daniel PEREZ-ZARATE, Mirna GUEVARA, Enrique PORTUGAL, Esther O. GARCIA, Gustavo SANTOS-RAGA |
Geochemistry |
Fluid geochemistry, Geothermal prospection, Gas geochemistry, Geochemometrics, Geochemical tracer |
World Geothermal Congress |
2020 |
English |
| The Phenomenon of Cooling Geothermal Wells in PT Pertamina Geothermal Energy Fields; Investigation and Handling |
Muhamad Bayu SAPUTRA, Gamal HASTRIANSYAH, Fatah GUNAWAN, Fernando PASARIBU, Marihot Sp SILABAN |
Case Histories |
Geothermal well, cooling well, remedial casing, squeeze cementing |
World Geothermal Congress |
2020 |
English |