| Design of New PDC Bits for Geothermal Well Drilling and Evaluation of Their Performance in a Granite Quarry |
Karasawa, H., Misawa, S.And Yoshida, S. |
Reservoir Assessment |
— |
New Zealand Geothermal Workshop |
1989 |
English |
| Improvement of PDC Bit's Performance at High Rotary Speed |
Karasawa, Hirokazu; Ohno, Tetsuji; Kobayashi, Hideo |
Drilling; Drill bits; Equipment design; Durability testing |
Drilling; Bits; Ibaraki; Japan; Drilling Rate; Drag Bits |
Geothermal Resources Council Transactions |
1996 |
English |
| Proposal for New Type of Downhole Percussion Drills for Hard Rock Drilling |
Karasawa, Hirokazu; Ohno, Tetsuji; Ota, Akinori; Kaneko, Tsutomu; Koizumi, Masahiro; Yamada, Naoto; Miyamoto, Tetsuomi |
Drilling and Completion; Percussion Drill; Mud Hammer; Downh |
Drilling and Completion; Percussion Drill; Mud Hammer; Downhole Motor; Hard Rock; Drilling |
Geothermal Resources Council Transactions |
2002 |
English |
| Review of Drilling Performance in a Horizontal EGS Development |
Kareem EL-SADI, Brittany GIERKE, Elliot HOWARD, Christian GRADL |
Enhanced Geothermal Systems |
EGS, drilling, experience curve, learning curve, costs |
Stanford Geothermal Workshop |
2024 |
English |
| Forty Years of Women in the Geothermal Sector: 1980-2020 |
Karen CHRISTOPHERSON, Bridget AYLING, Kelly BLAKE |
Business Strategies |
geothermal, women, gender, STEM, business, statistics |
World Geothermal Congress |
2020 |
English |
| School of Indigenous Knowledge (SIK): Nurturing Obo Manobo’s Culture |
Karen Kay Abarrientos, Jubylyn Mae Canedo, Jonathan Abel |
— |
— |
Philippine International Geothermal Congress |
2025 |
English |
| Development of a Numerical Tool for EGS-Layout Calculations Based on 3D XFEM Fracture Propagation Simulations and Laboratory Experiments on Large Rock Samples |
Karen WILLBRAND, Philipp SIEBERT, Nikolai WEBER, Thomas Peter FRIES, Martin FEINENDEGEN, Martin ZIEGLER, Christoph CLAUSER |
EGS - Enhanced Geothermal Systems |
fluid induced fracture propagation, numerical simulation, hydraulic fracturing experiments, XFEM, enhanced geothermal systems, assessment, true triaxial testing facility, acoustic emission monitoring |
World Geothermal Congress |
2015 |
English |
| Experimental Investigation of Cross-Flow Geothermal Water Cooling Tower Used for Agriculture Purposes in the South Tunisia |
Karim Bourouni, Mohamed Thameur Chaibi, Mohamed Mehdi Bassem |
34. District Heating and Agriculture |
Geothermal Water, Cross Flow Cooling Tower, Thermal efficiency, Experimental, Atmospheric conditions, Evaporative cooling, Convective cooling |
World Geothermal Congress |
2010 |
English |
| Rotary Steerable Systems to Reduce the Cost and Increase the Energy Value of Drilling Directional Wells in Olkaria Geothermal Field |
Karimi, George |
— |
— |
Geothermal Resources Council Transactions |
2017 |
English |
| Generalized Regional Thermal Model of an Earth's Crust of Territory of Armenia |
Karine S. Vardanyan, Liana H. Hovhannisyan |
6. Geology |
geotermia, thermal model, heat flow |
World Geothermal Congress |
2005 |
English |
| Hydrothermal Mineral Buffers Controlling Reactive Gas Concentrations in the Greater Olkaria Geothermal System, Kenya |
Karingithi, Cyrus W. |
Geochemical surveys |
Geochemistry; Kenya; Rift Valley; Olkaria; Geothermal; Hydrothermal; Minerals; Gases; Equilibrium |
Geothermal Resources Council Transactions |
2003 |
English |
| Results of Injection and Tracer Tests in Olkaria North East Field in Kenya |
Karingithi, Cyrus W. |
Well testing; Injection testing; Tracer testing |
Environmental; General Geosciences; Kenya; Olkaria; Waste brine; Steam field; Engineering design; Production; Sodium fluorescein; Tracer returns; Chemical breakthrough; Monitoring programme; Volcanic complex; Rift Valley; Thermal breakthrough; Fluid paths |
Geothermal Resources Council Transactions |
1995 |
English |
| Twenty Years of Exploitation of Olkaria East Field |
Kariuki, Martha; Ouma, Peter |
Reservoir Changes; Steam Exploitation |
International Studies; Olkaria; Reservoir Changes; Steam Exploitation |
Geothermal Resources Council Transactions |
2002 |
English |
| Heating/Cooling the McNeese State University Campus with Geothermal Energy |
Karkalits, O. C. |
Direct use; Space heating/cooling; Economics; Energy markets |
Direct Use; USA; Louisiana; Lake Charles; Residential Heating; Space Heating |
Geothermal Resources Council Transactions |
1985 |
English |
| Economics of Energy from Geopressured-Geothermal Reservoirs |
Karkalits, O. C. |
Geopressured reservoirs; Economics; Direct use; Exploration |
Economics; Gulf Coast |
Geothermal Resources Council Transactions |
1981 |
English |
| Chemical Analysis of Dissolved Natural Gas in Water from the World's First Geopressured Geothermal Well |
Karkalits, O. C.; Hankins, B. E. |
Geopressured reservoirs; Geochemical surveys; Brine chemistr |
General; Brine Technology; USA; Louisiana; Geopressured; Solubility in Brine; Experimental Equipment; Bottom Hole Samples |
Geothermal Resources Council Transactions |
1978 |
English |
| Determination of Geothermal Anomalies Through Multivariate Regression of Background Variables at Yellowstone National Park Using Landsat 5 TM Thermal Band Data |
Karki, Sita; Kobs Nawotniak, Shannon; Bottenberg, H. Carrie; McCurry, Michael; Welhan, John |
Exploration; Remote sensing; Landsat |
Landsat 5 TM; Yellowstone National Park; remote sensing; background subtraction; geothermal anomalies |
Geothermal Resources Council Transactions |
2014 |
English |
| The Groundwater Province in the Lower Bavaiian and Upper Austrian Molasse Basin: a Groundwater Budget in the Malmkarst Using a Mathematical Model |
Karl Roth, Otto Vollhofer & Bemhard Huber |
Hydrogeothermics |
Thermal water, Malmkarst, ground-water balance, ground-water model, hydrogeological model. mathematical model |
European Geothermal Conference |
1999 |
English |
| Achieving Step-Change Operational Performance Through Innovative Application of Coiled Tubing and Contractor-Client Partnership |
Karl SPINKS, Dane COPPELL |
Drilling and Completion Technology |
cost-effective, innovation, coil-tubing, CTU, well-cleaning, abandonment, scale |
World Geothermal Congress |
2020 |
English |
| Mighty River Powers Resource and Development Strategy at Kawerau Geothermal Field, New Zealand |
Karl Spinks, Tom Powell, Christine Siega, and Candice Bardsley |
6. Case Histories |
Kawerau, Mighty River Power, New Zealand |
World Geothermal Congress |
2010 |
English |