| Well Cost Estimates in Various Geothermal Regions |
Pierce, K. G.; Bomber, T. M.; Livesay, B. J. |
Drilling; Economics |
Drilling; Economics; Well Costs; Drilling Costs; Cost Estimation |
Geothermal Resources Council Transactions |
1997 |
English |
| Modification of Standard Air Drilling Motor for Geothermal Applications |
Beimgraben, Herb; Shale, Les T. |
Drilling; Air drilling; Equipment design |
Drilling; Engineering; Rotor; Stator; Air Volumes; Annular Velocities; Cutting Lifting Capacities; Compressibility; Differential Pressures; Inert Gases; Dogleg Severity; Directional Control; Penetration Rate; Air Motor; Surface Compressors; Fire Float; Fi |
Geothermal Resources Council Transactions |
1993 |
English |
| A Practical Hydrogen Sulfide Abatement Process for Air Drilling and Venting Geothermal Steam Wells |
Turner, Thomas A.; Rex, R. W. |
Hydrogen sulfide; Air drilling; Vapor dominated reservoirs; |
Drilling; Environmental; H2S; Economics; Blooie Lines; Sodium Hydroxide; Hydrogen Peroxide |
Geothermal Resources Council Transactions |
1978 |
English |
| Air-Mud Drilling Separator Modification |
Fisher, Daniel; Jung, Douglas |
Drilling; Equipment design; Drilling separators |
Drilling; Environmental; Reservoir; Production; Indonesia; Wayang Windu; Drilling Mufflers; Drilling Separators; Air/mud Separator; Safety; Flow Testing; Noise Mitigation |
Geothermal Resources Council Transactions |
1997 |
English |
| Development of a Safer and More Efficient Method for Abatement of H2S during Geothermal Well Drilling |
Hirtz, Paul; Mac Phee, Tom |
Drilling; Environmental aspects; Hydrogen sulfide; Air quali |
Drilling; Environmental; USA; California; Lake; The Geysers; H2S; Air Quality; Abatement; NCG |
Geothermal Resources Council Transactions |
1989 |
English |
| Development of a High Temperature Borehole Scanner |
Hori, Yoshinao; Miyakawa, Kimio; Iwamaru, Yukio; Harada, Takesi |
Equipment design; High temperature reservoirs; Borehole scan |
Drilling; Equipment |
Geothermal Resources Council Transactions |
1990 |
English |
| The Role of R&D in Geothermal Drilling Cost Reduction |
Glowka, David A. |
Drilling; Lost circulation materials; Drill bits; Economics; |
Drilling; Equipment; Bits; Diamond Bits; Drag Bits; Drill Pipe; Packers; Slick Line; Logs; Gamma Ray Logs; Mud Logs; Pressure Logs; Spinner Survey; Temperature Logs; Operations; Cementing; Coring; Core Barrel; Diamond Core Drilling; LCC (Lost Circulation |
Geothermal Resources Council Transactions |
1997 |
English |
| Evaluation of a Potential Borehole Televiewer Technique for Characterizing Lost Circulation Zones |
Glowka, David A.; Loeppke, Glen E.; Lysne, Peter C.; Wright, Elton K. |
Lost circulation; Televiewers; Equipment design; Fractures; |
Drilling; Equipment; Lost Circulation Zone; Borehole Televiewer |
Geothermal Resources Council Transactions |
1990 |
English |
| Using Drilling Motors for Optimum Performance in The Geysers |
Steffen, Marc W. |
Drilling; Directional drilling; Drilling motors; Drill bits |
Drilling; Equipment; Operations; Wells; USA; California; Lake; Sonoma; The Geysers; Mud Motor; Tricone Bits; Directional Drilling; Drilling Rate; Dry Steam Well; Steam Well; Well Planning and Design |
Geothermal Resources Council Transactions |
1994 |
English |
| The Metal Seal -- State of the Art Rock Bit Technology for Geothermal Drilling Applications |
Burr, Bruce H.; Jarding, Joel J. |
Drilling; Drill bits; Drill bit seals |
Drilling; Equipment; Seals |
Geothermal Resources Council Transactions |
1990 |
English |
| Development of Turbodrill Tachometer |
McDonald, William J.; Maurer, William C.; Neudecker, Joseph W., Jr.; Shoemaker, Harold D. |
Drilling; Tachometers; Turbodrills |
Drilling; Equipment; Turbodrill; Tachometer |
Geothermal Resources Council Transactions |
1980 |
English |
| Salton Sea Scientific Drilling Project: Scientific Program |
Sass, J. H.; Elders, W. A. |
Drilling; Core sampling; Well testing; Flow testing; Lost ci |
Drilling; Exploration; Brine Technology; Geological Surveys; Production; USA; Salton Sea; California; Spreading Centers; Brines; High Temperature Muds; Temperature; Pressure; Salinities; Reservoir Characteristics; Coring; Flow Tests; Injection Tests; Epid |
Geothermal Resources Council Transactions |
1986 |
English |
| Well Logging Results from Three Geothermal Fields in Central America |
Dennis, Bert; VanEeckhout, Ed |
Well logging |
Drilling; Exploration; Central America; Miravalles; Ahuachapan; Zunil |
Geothermal Resources Council Transactions |
1990 |
English |
| Advanced Turbodrills for Geothermal Wells |
Maurer, William C.; Rowley, John C.; Carwile, Clifton |
Drilling; Downhole motors; Directional drilling |
Drilling; Exploration; Directional Drilling |
Geothermal Resources Council Transactions |
1978 |
English |
| Slim Wells for Exploration Purposes in Mexico |
Vaca Serrano, Jaime M. E.; Alvarez, Mario Soto |
Slimholes; Exploration; Lithology; Well completion; Drilling |
Drilling; Exploration; Exploratory Well; Lost Circulation Zone; Slim Hole; Lithology; Slim Well |
Geothermal Resources Council Transactions |
1996 |
English |
| The Hawaii Scientific Observation Hole (SOH) Program: Summary of Activities |
Olson, Harry J.; Deymonaz, John E. |
Operations management; Environmental aspects; Noise pollutio |
Drilling; Exploration; Hawaii; Diamond Core Drilling; Rotary Drilling; Slim Holes; Assessment Drilling; Noise Mitigation; Noise Monitoring; Temperature Surveys; Drilling Costs; Kilauea East Rift Zone |
Geothermal Resources Council Transactions |
1992 |
English |
| Information on the Kakkonda Deep Geothermal Reservoir Obtained by Side-track Drilling of WD-1 |
Kamenosono, Hiroyuki; Uchida, Toshihiro; Akaku, Kohei; Yanagisawa, Norio; Miyazaki, Shin-ichi; Doi, Nobuo |
Deep drilling; Drilling; Exploration; Microseismicity; Reser |
Drilling; Exploration; Japan; Iwate; Kakkonda; Collapse; Kuster; Lost Circulation Zone; Whipstock; Electric Logs; Mud Logs; Temperature Logs; Reverse Circulation; Coring; Kickoff Point; Granite; Heat Source; Hypocenters; Microearthquake; Schlumberger |
Geothermal Resources Council Transactions |
1997 |
English |
| Case Studies of Developing Low-Temperature Geothermal Wells |
Kunze, Jay F.; Gould, Ray W. |
Drilling; Low temperature reservoirs; Moderate temperature r |
Drilling; Exploration; Mud; Utah; Newcastle; Crystal Hot Springs; Sandy; Idaho; Pocatello; Drilling Histories |
Geothermal Resources Council Transactions |
1981 |
English |
| The Geysers Coring Project -- A Cooperative Investigation of Reservoir Controls in a Vapor-Dominated Geothermal System |
Hulen, Jeffrey B.; Koenig, Brian; Nielson, Dennis L. |
Core sampling; Drilling; Exploration; Geological surveys; Re |
Drilling; Exploration; Reservoir Engineering; Core Drilling; Fractures; Fluid flow; Permeability; Porosity; Dry Steam; Boron; Hydrothermal Alteration; Fault; Granite; Pluton; Metamorhic; Petrographic Study; Volcanics; Fluid Saturation |
Geothermal Resources Council Transactions |
1994 |
English |
| Using Flow Tests in Slimholes to Reduce Geothermal Exploration Costs in The Basin and Range Geologic Province of the USA |
Edmiston, R. C. |
Slimholes; Well testing; Flow testing; Exploration; Economic |
Drilling; Exploration; Reservoir Engineering; USA; Core Holes; Exploratory Wells; Case Studies; Diamond Core Drilling; Well Tests; Transmissivity; Risk Analysis; Finding Costs |
Geothermal Resources Council Transactions |
1993 |
English |