| Investigation of Wellbore Cooling by Circulation and Fluid Penetration into the Formation Using a Wellbore Thermal Simulator Computer Code |
Duda, Leonard E. |
Reservoir cooling; Reservoir modeling; Computer modeling; Th |
Reservoir Engineering; Well Testing; Reservoir Models; High Temperature Reservoir; Injection; Temperature; Water |
Geothermal Resources Council Transactions |
1987 |
English |
| Test of the Radar Fracture Mapping Tool in a Lake Using a Known Target |
Duda, Leonard E.; Hsi-Tien Chang; Uhl, James E.; Gabaldon, John |
Exploration; Geophysical surveys; Fractures; Downhole radar |
Exploration; Geochemistry; Geophysics; Fractures |
Geothermal Resources Council Transactions |
1987 |
English |
| Detection of a Target in a Rock Formation Using the Radar Fracture Mapping Tool |
Duda, Leonard E.; Uhl, James E.; Gabaldon, John; Hsi-Tien Chang |
Geophysical surveys; Fractures; Downhole radar |
Exploration; Research Agencies; Geophysical Surveys; Sandia; Radar Fracture Mapping |
Geothermal Resources Council Transactions |
1988 |
English |
| Development and Field Testing of the High-Temperature Borehole Televiewer |
Duda, Leonard E.; Uhl, James E.; Wemple, Robert P. |
Equipment design; High temperature reservoirs; Televiewers; |
Drilling; Well Logging; High Temperature; Equipment; Borehole Televiewer |
Geothermal Resources Council Transactions |
1990 |
English |
| Thermal and Tectonic History in the Steamboat Hills Geothermal Field: Determination of the Age of Active Hydrothermal Activity by Application of AFTA (Apatite Fission Track Analysis) |
Duddy, Ian R.; van de Kamp, Peter C.; Green, Paul F. |
Exploration; Geological surveys; Geochronology |
Exploration; Geochemistry; USA; NV; Washoe; Steamboat GTFD; Age dating; Fission track; Studies; Hydrothermal alteration |
Geothermal Resources Council Transactions |
1995 |
English |
| The Role of Sumatera Fault Structures in Appearance of Geothermal Features at Cubadak Area, West Sumatera, Indonesia |
Dudi Hermawan and Yuanno Rezky |
12. Geology |
geothermal features, hotspring, fault structure, depression zone |
World Geothermal Congress |
2010 |
English |
| TIR (ASTER) Geothermal Anomalies |
Dudley-Murphy, Elizabeth A.; Nash, Gregory D. |
Remote Sensing; Exploration |
Remote Sensing; Thermal Infrared; Geothermal Anomalies; Geothermal Exploration |
Geothermal Resources Council Transactions |
2003 |
English |
| A Geothermal Resource for Eritrea, an Energy-Poor African Nation |
Duffield W.A. , Clynne M.A. , Foumier R O., Janik C. J. , Lowenstern J., Smith J. G. , Giorgis L.W., Kahsai G., Mariam K.W. and Tesfai T. |
Geology |
— |
New Zealand Geothermal Workshop |
1996 |
English |
| Geologic Framework for Geothermal Energy in the Cascade Range |
Duffield, W. A. |
Exploration; Heat flow; Temperature gradients; Volcanism |
Exploration; USA; Cascades; California; Oregon; Washington; Geology; Heat Flow; Volcanics |
Geothermal Resources Council Transactions |
1983 |
English |
| Geology & Geothermal Potential of the Tecuamburro Volcano Area of Guatemala |
Duffield, W. A.; Heiken, G. H.; Wohletz, K. H.; Maassen, L. W.; Dengo, G.; McKee, E. H. |
Exploration; Volcanism; Mapping; Geochemical surveys; Geolog |
Exploration; Guatemala; Tecuamburro; Age Dating; Chemistry; Geothermometers; Geology; Fault Zone; Potassium Argon; Chemical Analysis |
Geothermal Resources Council Transactions |
1989 |
English |
| A Tale of Three Prospects |
Duffield, Wendell A. |
Exploration; Volcanism |
General; Exploration; Convection Systems; Magma; Heat Sources; Hydrothermal Systems; Steaming Ground; Age Dating; Case Histories; Reservoirs; Volcanic Cone; Hot Springs; Caldera; Resource Assessment; Geochemical Surveys; Volcanics; Andesites; Time Space V |
Geothermal Resources Council Transactions |
1992 |
English |
| Country Update for The Netherlands |
Dufour, F. C. |
Geothermal overviews |
Country Update; Netherlands |
Geothermal Resources Council Transactions |
1990 |
English |
| Numerical Simulation of Standing Column Well |
Duhee Park, Dong-Yeop Kwak, Kwangkyun Kim, Sisam Park, Sang-Min Na |
29. Geothermal Heat Pumps |
Standing column well, numerical model, hydro-thermal coupled analysis, finite-volume method, validation |
World Geothermal Congress |
2010 |
English |
| Petrology of Scales and Debris Deposits at the Mindanao 2 Geothermal Production Field Fluid Collection and Disposal System, Philippines |
Dulce, Rosella G.; Nogara, James B. |
Environmental aspects; Petrology/petrography; Scaling; Amorp |
O & M and Environmental; Petrology; Scales; Amorphous Silica; Corrosion Products; Passive Film; Philippines |
Geothermal Resources Council Transactions |
2003 |
English |
| Calcite Scale Deposition in Production Wells in Mindanao Geothermal Production Field, Philippines |
Dulce, Rosella G.; Nogara, James B.; Sambrano, Benson G. |
Scaling; Corrosion; Calcite; Fluid Inclusions |
Scaling & Corrosion; Calcite Scale; Calcite Morpology; Fluid Inclusions; Calcite Saturation Index |
Geothermal Resources Council Transactions |
2000 |
English |
| The Geoelec project |
Dumas, Angelino |
5 Hydrothermal Systems – Resource Assessment (HS1) |
Geothermal electricity, potential, finance, regulations, training, employment |
European Geothermal Conference |
2013 |
English |
| GEODH Project: Promote Geothermal District Heating Systems in Europe |
Dumas, Angelino |
5 Hydrothermal Systems – Resource Assessment (HS1) |
Geothermal District heating, potential, finance, regulations, training |
European Geothermal Conference |
2013 |
English |
| A Third electricity scenario |
Dumas, Angelino |
10 Geothermal Markets -Deep (MA) |
Electricity, Energy, Geothermal, Scenario, Policy |
European Geothermal Conference |
2013 |
English |
| Towards new business models for geothermal companies: state and trends |
Dumas, P |
Policy and Markets – Corporate Structure |
geothermal, business models, market |
European Geothermal Congress |
2016 |
English |
| Deep drilling costs reduction |
Dumas, P |
Policy and Markets – Other |
deep geothermal, drilling, costs, market |
European Geothermal Congress |
2016 |
English |