| THERMAL SIGNATURE OF SUBSURFACE FLUID FLOW NEAR THE DIXIE VALLEY GEOTHERMAL FIELD, NEVADA |
Colin F. Williams, John H. Sass, Frederick V. Grubb |
— |
— |
Stanford Geothermal Workshop |
1997 |
English |
| Updating the Classification of Geothermal Resources |
Colin F. Williams, Marshall J. Reed and Arlene Anderson |
Introduction |
resource assessment, resource classification |
Stanford Geothermal Workshop |
2011 |
English |
| Using Slim Holes for Long-Term Monitoring of Geothermal Reservoir Performance at Steamboat Springs, Nevada, U.S.A. |
Colin Goranson and Jim Combs |
Reservoir Evaluation |
Slim holes, Steamboat Hills Geothermal Field, Nevada, reservoir monitoring, geothermal wells, PTS logs |
World Geothermal Congress |
2000 |
English |
| EVALUATION OF A DISTRIBUTED FIBER-OPTIC TEMPERATURE SENSOR FOR LOGGING WELLBORE TEMPERATURE AT THE BEOWAWE AND DIXIE VALLEY GEOTHERMAL FIELDS |
Colin Smithpeter, Randy Normann James Krumhansl, Dick Benoit, Steve Thompson |
PRODUCTION |
fiber optic logging |
Stanford Geothermal Workshop |
1999 |
English |
| Development of a High Temperature Borehole Fluid Sampler and Its Field Experiments in the Larderello Geothermal Field, Italy |
Colin Twose, Roger Parker, Takashi Okabe, Koichiro Kirihara, Haruya Nakata, Tayuki Kondo, Hirokazu Karasawa and Guido Cappetti |
Exploration and Development |
NEDO, controlled displacement fluid sampler, rupture disk, Larderello, PTFE seal, Brine filter sampler |
World Geothermal Congress |
2000 |
English |
| Developing Improved Methods for the Assessment of Enhanced Geothermal Systems |
Colin WILLIAMS and Jacob DEANGELO |
Enhanced Geothermal Systems |
EGS, resource assessment, heat flow, injection, fracture permeability |
Stanford Geothermal Workshop |
2015 |
English |
| Volcanological and structural insights into geothermal systems in the Taupo Volcanic Zone |
Colin Wilson and Julie Rowland |
Taupo Volcanic Zone |
Taupo Volcanic Zone, caldera, volcanism, magmatism, faulting, permeability |
New Zealand Geothermal Workshop |
2011 |
English |
| Snohomish County Public Utility District No. 1--Geothermal Energy Exploration in the North Cascade Region, Washington State |
Collar, Craig W.; Petty, Susan |
Exploration |
Cascades; Utility; Washington State; Renewable Portfolio Standard (RPS); Enhanced Geothermal Systems (EGS); Black Mountain Technology |
Geothermal Resources Council Transactions |
2008 |
English |
| Hydrothermal Eruptions at the Rotokawa Geothermal Field, Taupo Volcanic Zone, NZ |
Collar, R.J. and Browne, P.R.L. |
— |
— |
New Zealand Geothermal Workshop |
1985 |
English |
| FRACTURE PERMEABILITY AND ITS RELATIONSHIP TO IN-SITU STRESS IN THE DIXIE VALLEY, NEVADA, GEOTHERMAL RESERVOIR |
Colleen A Barton, Stephen Hickman, Roger Morin, Mark D. Zoback, Thomas Finkbeiner, John Sass, Dick Benoit |
— |
— |
Stanford Geothermal Workshop |
1997 |
English |
| RESERVOIR-SCALE FRACTURE PERMEABILITY IN THE DIXIE VALLEY, NEVADA, GEOTHERMAL FIELD |
Colleen A. Barton, Stephen Hickman, Roger Morin, Mark D. Zoback, Dick Benoit |
GEOPHYSICS |
Dixie Valley, Nevada |
Stanford Geothermal Workshop |
1998 |
English |
| Geomechanically Coupled Simulation of Flow in Fractured Reservoirs |
Colleen Barton, Dan Moos and Lee Hartley |
— |
Geomechanics, discrete fracture network modeling, reservoir stimulation |
New Zealand Geothermal Workshop |
2013 |
English |
| Next Generation Reservoir Modeling for Geothermal Energy and Lithium Recovery |
Colleen BARTON, William PETTITT, Tim SALTER, Elena MEYER, Christopher HARPER, Ehsaan NASIR, Amir MORADI, Danny SIMS, William OSBORN, Robert MOORE |
Reservoir Engineering |
Salton Sea Geothermal Field, Lithium, Reservoir Simulation, Discrete Fracture Networks |
Stanford Geothermal Workshop |
2025 |
English |
| Open-Source Gravity Reduction Workflows for Geothermal Resource Assessment |
Collin CRONKITE-RATCLIFF |
Geophysics |
geothermal energy resource assessment, geophysics, gravity, software |
Stanford Geothermal Workshop |
2026 |
English |
| A Full Three-Dimensional GPU-Accelerated Model for Deep Borehole Heat Exchangers (DBHEs) Enabling Simulation of Well Arrays |
Collin WITTENSTEIN, Emmanuel LUJAN, Andrew INGLIS, Robert METCALFE, Alan EDELMAN, Hendrik RANOCHA |
Modeling |
deep borehole heat exchangers, coaxial, well arrays, geothermal energy, GPU computing, three-dimensional simulation, numerical modeling, operator splitting, Julia |
Stanford Geothermal Workshop |
2026 |
English |
| Newberry National Volcanic Monument: Making a Consensus Process Work |
Collins, Sally D. |
Laws and regulations |
Legal; Regulatory; Environmental; USA; Oregon; Newberry KGRA; Federal Law; Land; Impact; Legislation; Case Histories; BLM; Geothermal Steam Act; Political Aspects; National Park Service |
Geothermal Resources Council Transactions |
1991 |
English |
| Public Relations Strategies -- Building for the Future |
Collins, Sally D.; Fujimoto, Robert W. |
Public outreach |
General; Public Information |
Geothermal Resources Council Transactions |
1990 |
English |
| People, Partnerships, Progress: Geothermal Resource Development on the Deschutes National Forest, Central Oregon |
Collins, Sally D.; Fujimoto, Robert W. |
Business administration; Public outreach |
Regulatory; Geothermal Associations; Environmental; USA; Oregon; Cascades; USFS; BPA; GRC; BLM; Education; Public Information; Land Use |
Geothermal Resources Council Transactions |
1988 |
English |
| Geology of the Pico Alto Geothermal Prospect, Terceira Island, Azores |
Collis, S.K. |
Azores - Scientific |
— |
New Zealand Geothermal Workshop |
1982 |
English |
| Ultrasonic equipment aimed to detect grouting homogeneityin geothermal heat exchangers |
Colombero, C; Comina, C; Giuliani, A; Mandrone G |
Technology and Best practice – Heat Pumps |
heat exchangers, geothermal grouting, quality test, ultrasonic waves |
European Geothermal Congress |
2016 |
English |