| Basement-EGS Structure from VSP, Drilling, Well Logs, and Geology in Espoo, Finland |
Heikkinen, Pekka; Giese, Ruediger; Kueck, Jochem; Kukkonen, Ilmo; Malin, Peter |
Drilling; Fractures; Vertical seismic profiles |
Engineered Geothermal Systems, Vertical Seismic Profiling, Seismic While Drilling, Fracture Zone |
Geothermal Resources Council Transactions |
2021 |
English |
| A Comparison of Pre-Drill and Post-Drill In-situ Stress Estimates for the Eavor-DeepTM 18,000 ft-TVD Closed-Loop Geothermal Demonstration Well |
Rogers, Anna; Wallis, Irene; Fox, Amy |
Drilling; Geomechanics; Closed loop |
Geomechanics, Stress Tensor Determination, Geothermal Drilling, Southwest New Mexico |
Geothermal Resources Council Transactions |
2023 |
English |
| Hard Rock Geomechanical and Petrophysical Properties from Drilling Data |
Hayes, John; Tahmeen, Mazeda; Hareland, Geir; Al Dushaishi, Mohammed |
Drilling; Geomechanics; Equipment design |
Geothermal drilling, hard rock ROP model, geomechanical and petrophysical properties, unconfined rock strength, apparent rock strength, Poisson’s ratio, permeability, porosity |
Geothermal Resources Council Transactions |
2023 |
English |
| Geomechanics Considerations for Superhot Rock and Millimeter Wave Drilling |
Porlles, Jerjes; Batir, Joseph; Houde, Matt; Soroush, Hamed; Madyarov, Andrew |
Drilling; Geomechanics; Superhot rock; Millimeter wave drill |
Superhot Rock, Geomechanics, Millimeter Wave Drilling |
Geothermal Resources Council Transactions |
2023 |
English |
| Drilling of Vertical, Ground-Coupled Heat Exchangers for Geothermal Heat Pump Systems |
Geyer, John D. |
Drilling; Geothermal heat pumps; Downhole heat exchangers |
Drilling; Aerated Drilling; Reservoir Exploration |
Geothermal Resources Council Transactions |
2008 |
English |
| Laboratory Testing of Percussion Drills for Geothermal Applications |
Finger, John T. |
Drilling; Hammers; Percussion drilling |
Drilling; USA; Equipment; Bits; Hammers |
Geothermal Resources Council Transactions |
1980 |
English |
| Controllable Damper Demonstrates Improved Stability for PDC Bits Drilling Hard-Rock Formations |
Raymond, David W.; Kuszmaul, Scott S.; Wright, Elton K.; Elsayed, M. A. |
Drilling; Hard-Rock; PDC Bits; Shock Sub; Controllable Dampe |
Geothermal Drilling; Drilling; Hard-Rock; PDC Bits; Shock Sub; Controllable Damper; Magnetorheological |
Geothermal Resources Council Transactions |
2005 |
English |
| Torque Reduction and Buckling Mitigation for Drilling Highly-Deviated Geothermal Wells |
Vecseri, Jonathan; Gollmyer, Eric; |
Drilling; HDR/EGS; AGS |
Torque, buckling, lateral, casing protection, NRP, non-rotating protector, AGS, EGS, hydrothermal, RSS |
Geothermal Resources Council Transactions |
2023 |
English |
| Evolution of a Hybrid Roller Cone/PDC Core Bit |
Pettitt, Roland; Laney, Randy; George, Dan; Clemens, Gary |
Drilling; HDR/EGS; Core sampling; Drill bits |
Drilling; Hot Dry Rocks; USA; Equipment; Bits |
Geothermal Resources Council Transactions |
1980 |
English |
| Directional Drilling Operations Hot Dry Rock Well EE-2 |
Brittenham, Terry L.; Williams, R. Edward; Rowley, John C.; Neudecker, Joseph W. |
Drilling; HDR/EGS; Directional drilling |
Drilling; Hot Dry Rock; USA; New Mexico; Fenton Hill; Operations; Directional Drilling; Engineering |
Geothermal Resources Council Transactions |
1980 |
English |
| Geothermal Drilling in Hot Granitic Rock |
Williams, R. E. |
Drilling; HDR/EGS; Downhole motors; Directional drilling; Pa |
Drilling; Hot Dry Rock; Mud Motors; Steering Tools; Packers; Cementing; Directional Drilling; Drill Bits |
Geothermal Resources Council Transactions |
1978 |
English |
| Increasing Reliability of Measurement-While-Drilling Sensors in Geothermal Wells Using a Life-Cycle Management System Incorporating Temperature and Vibration |
Langford, Cory; Webb, Ken; Healy, Carl |
Drilling; HDR/EGS; Drilling diagnostics |
Geothermal Drilling, Enhanced Geothermal Systems, Measurement While Drilling, Logging While Drilling, Geosteering, Wellbore Placement, Anticollision |
Geothermal Resources Council Transactions |
2023 |
English |
| Downhole Geothermal Sondes |
Archuleta, Jacobo R. |
Drilling; HDR/EGS; Exploration |
Research agencies; LANL; Reservoir engineering; Fractures; Hydraulic fracturing; Hot dry rock; USA |
Geothermal Resources Council Transactions |
1977 |
English |
| Closed-Looped Steerable Drilling Tools for High Temperature Applications |
Donati, Franco; Oppelt, Joachim; Ragnitz, Detlef; Ligrone, Angelo; Calderoni, Angelo |
Drilling; High temperature reservoirs; Equipment design; Dir |
Drilling; Rotary; Bits; Vibrations; Case Histories; Downhole Motors; Environmental; Case Pinelli; Field Tests |
Geothermal Resources Council Transactions |
1995 |
English |
| Laboratory Study and Field Demonstration of Hydrothermal Spallation Drilling |
Potter, Robert M.; Potter, Jared M.; Wideman, Thomas W. |
Drilling; Hydrothermal spallation; Deep drilling; HDR/EGS |
Thermal drilling; Hydrothermal spallation; Novel drilling technology; Hard rock drilling; Geothermal drilling; Engineered Geothermal Systems; EGS |
Geothermal Resources Council Transactions |
2010 |
English |
| Successful Geothermal Operation Management: Technology Adoption of Oil and Gas Drilling Rig Systems |
Bello, Opeyemi; Teodoriu, Catalin; Oluwafemi, Ogunlana; Olayiwola, Olatunji |
Drilling; Hydrothermal spallation; Tubulars; Percussion dril |
Oil and Gas, rig selection, technology transfer, drilling performance, geothermal development |
Geothermal Resources Council Transactions |
2019 |
English |
| Investigation and Development of Geothermal Energy in New Zealand from 1978 to 1980 |
Denton, Barry N. |
Drilling; Injection; Scaling; Well stimulation |
Investigation; Power Generation; New Zealand; Production; Injection; Stimulation; Silica; Drilling; Annual Reports; Flow |
Geothermal Resources Council Transactions |
1980 |
English |
| Improving Lightweight Cement Evaluation in the Geothermal Environment |
Batcheller, Gary W.; Frisch, Gary |
Drilling; Lightweight Cement; Foam Cement; Acoustic Impedanc |
Drilling; Lightweight Cement; Foam Cement; Acoustic Impedance; Casing; Ultrasonic Logs; Micro Annulus; Acoustic Logs; Casing |
Geothermal Resources Council Transactions |
2004 |
English |
| Experimental Investigation of a Smart LCM Using a High-Temperature Flow Loop for Geothermal Drilling |
Mohamed, Abdelmjeed; Salehi, Saeed; Ahmed, Ramadan; Li, Guoqiang |
Drilling; Lost circulation |
Lost circulation, Smart LCM, Shape memory polymer, HT Flow loop, Geothermal drilling |
Geothermal Resources Council Transactions |
2021 |
English |
| Lost Circulation in a Hydrothermally Cemented Basin-Fill Reservoir: Don A. Campbell Geothermal Field, Nevada |
Winn, Carmen; Dobson, Patrick; Ulrich, Craig; Kneafsey, Timothy; Lowry, Tom; Akerley, John; Delwiche, Ben; Samuel, Abraham; Bauer, Stephen |
Drilling; Lost circulation |
Lost circulation; geothermal; Don A. Campbell field |
Geothermal Resources Council Transactions |
2021 |
English |