| Casing Protection for Geothermal Wells |
Gollmyer, Eric; Mitchell, Sarah; Bailey, Alan; Rickard, Bill; Pye, Stephen |
Drilling; Corrosion; Well casing |
Drilling; Non-rotating protectors; Casing wear; Casing protection; Alloy casing |
Geothermal Resources Council Transactions |
2011 |
English |
| Modelling of Geothermal Cuttings Transportation During Drilling—A Case Study of Well PW-03B in Paka Geothermal Field, Kenya |
Miyora, Thomas; Bjarkason, Elvar K.; Naganawa, Shigemi |
Drilling; Cuttings; Air drilling |
Aerated drilling, drilling optimization, cuttings transportation, simulation, hole cleaning |
Geothermal Resources Council Transactions |
2023 |
English |
| Rock Cutting with Cavitating Jets under Simulated Deep-Hole Conditions |
Conn, Andrew F.; Radtke, Robert P. |
Drilling; Deep drilling; Drill bits; Nozzles |
Drilling; R & D; Jet Cutting; Laboratory; USA; Cavitating Jet; Downhole Pressure; Rock Samples; Hole Cleaning; Deep Simulation; US DOE; Sandia |
Geothermal Resources Council Transactions |
1979 |
English |
| Costs of Drilling Deep Wells in Granite in the United Kingdom |
Harrison, R.; Mortimer, N. D. |
Drilling; Deep drilling; Economics; Granite |
Economics; Financing; Drilling; United Kingdom; O & M; Insurance |
Geothermal Resources Council Transactions |
1987 |
English |
| U.S. Deep Geothermal Drilling for 1973-1980 |
Gerstein, Robert E.; Entingh, Daniel J. |
Drilling; Deep drilling; Economics; Well completion |
Drilling; Economics; Forecasts; Drilling Summary |
Geothermal Resources Council Transactions |
1981 |
English |
| An Advanced Geothermal Drilling System |
Rowley, John; Saito, Seiji; Long, Roy |
Drilling; Deep drilling; Equipment design |
Drilling; Developments; Drillstrings; Percussion; Penetration Rates; Borehole |
Geothermal Resources Council Transactions |
1995 |
English |
| Leveraging Oil & Gas Well Construction Expertise for Deep Geothermal Drilling |
Ashok, Pradeepkumar; van Oort, Eric; Shor, Roman |
Drilling; Deep drilling; Lost circulation; Wellbore integrit |
Geothermal Anywhere, Technology Gaps, Deep Geothermal, Technology Transfer, ERD Wells |
Geothermal Resources Council Transactions |
2021 |
English |
| The Drilling and Logging Data and Technology Related to the Development of Deep Geothermal Resources |
Kobayashi, Hideo; Karasawa, Hirokazu; Ohno, Tetsuji |
Drilling; Deep drilling; Well completion; Drill bits; Operat |
Tsukuba; Ibaraki; Japan; Drilling; High Temperature Well; Drilling Rate; LCC; Bits |
Geothermal Resources Council Transactions |
1997 |
English |
| An Unconventional Directional Sidetrack of a Geothermal Well in Kenya: Menengai Well MW-15A |
Rotich, Martin; Mungai, Michael |
Drilling; Directional drilling |
Directional Drilling, Geothermal, Sidetracking, Unconventional, Stuck Pipe, Back Off |
Geothermal Resources Council Transactions |
2019 |
English |
| Innovation in Drilling of Geothermal Wells to Minimize Environmental Footprint in Menengai and Paka Geothermal Fields in Kenya |
Rotich, Martin; |
Drilling; Directional drilling |
Environmental impact, directional drilling, geothermal, well pads, production wells |
Geothermal Resources Council Transactions |
2023 |
English |
| Drilling and Completion of Multiple-Legged Wells in The Northwest Geysers |
Henneberger, Roger C.; Quinn, Donald G.; Chase, Daniel; Gardner, Murray C. |
Drilling; Directional drilling; Air drilling; Forked wells |
Drilling; Production; USA; California; Sonoma; The Geysers; Dry Steam Wells; High Temperature Wells; Production Wells; Directional Wells; Deviation; Redrills; Air Drilling |
Geothermal Resources Council Transactions |
1993 |
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 |
| Development of the Well Trajectory Prediction System as a Part of the MWD System for Geothermal Wells |
Nakashima, Satoshi; Nakata, Haruya; Takasugi, Shinji |
Drilling; Directional drilling; Equipment design |
Drilling; NEDO; Mud motors; Rotary; Directional drilling |
Geothermal Resources Council Transactions |
1995 |
English |
| High Temperature 300°C Directional Drilling System, Including Drill Bit, Steerable Motor, and Drilling Fluid |
Chatterjee, Kamalesh; Dick, Aaron; Otto, Mike; Klotzer, Sundaie; Epplin, Dave; Schroder, Jon; MacPherson, John |
Drilling; Directional drilling; Equipment design; Drill bits |
EGS; 300°C; directional drilling system; fracture imaging; measurement-while-drilling (MWD); HPHT; navigation |
Geothermal Resources Council Transactions |
2014 |
English |
| Well Productivity Enhancement by Drilling Multi-Legged Wells: A Quantitative Assessment |
Sanyal, Subir K.; Morrow, James W.; Henneberger, Roger C.; Granados, Eduardo E. |
Drilling; Directional drilling; Feasibility studies |
Drilling; forked well, multi-legged well, multilateral well, geothermal well productivity, well productivity enhancement |
Geothermal Resources Council Transactions |
2007 |
English |
| 1977 Drilling Methods and Costs at The Geysers |
Glass, W. A. |
Drilling; Directional drilling; Fishing; Economics |
The Geysers; California; USA; Drilling; BOPE; BOPE stack; Directional drilling; Fish; Costs; Program |
Geothermal Resources Council Transactions |
1977 |
English |
| Designing and Drilling Multiple Leg Completions in The Geysers |
Steffen, Marc W. |
Drilling; Directional drilling; Forked wells |
Drilling; Operating; Wells; USA; California; Lake; Sonoma; The Geysers; Air Drilling; Drill Strings; Mud Motors; Drillable Bridge Plug; Whipstock; Cementing; Directional Drilling; Kickoff Point; Lost Circulation Zone; Dry Steam Well; Multiple Log Producti |
Geothermal Resources Council Transactions |
1993 |
English |
| Precision Directional Drilling of Hot Dry Rock Geothermal Production Well EE-3 |
Carden, Richard S.; Rowley, John C.; Helmick, Catherine |
Drilling; Directional drilling; HDR/EGS; Downhole motors |
Drilling; Hot dry Rock; USA; New Mexico; Directional Drilling; Injections; Fractures; Wellbores; Temperatures; Turbine Motors |
Geothermal Resources Council Transactions |
1982 |
English |
| Progress on a 300°C Directional Drilling System for EGS Well Installation |
Dick, Aaron; Schnitger, Jochen; Otto, Mike; Klotzer, Sundaie; Schroder, Jon; Macpherson, John |
Drilling; Directional drilling; HDR/EGS; Equipment design; D |
Enhanced geothermal systems; EGS; 300C; drilling system; directional drilling system; hard rock drilling; motor lubricant; high temperature grease; metal-metal motor; HPHT; Newberry |
Geothermal Resources Council Transactions |
2013 |
English |
| High Temperature Application of Retrievable MWD Systems |
Coe, R.; Saito, S. |
Drilling; Directional drilling; High temperature reservoirs |
Wellbores; Drilling; Temperature; Casing; Steering Tools; Mud Cooling; Operational Techniques; Efficiency |
Geothermal Resources Council Transactions |
1995 |
English |