| Impact of Foaming Agent on the Performance of Colloidal Gas Aphron Drilling Fluid for Geothermal Drilling |
Zhu, Wenxi; Zheng, Xiuhua; Li, Guomin; Liu, Kang |
Drilling; Drilling fluids; Lost circulation |
foaming agents; Colloidal Gas Aphron (CGA) drilling fluids; geothermal drilling; rheological; fluid loss |
Geothermal Resources Council Transactions |
2019 |
English |
| Microearthquake Moment Tensor Inversion for EGS Collab Experiments: Preliminary Results |
Chen, Yu; Huang, Lianje; Schoenball, Martin; Ajo-Franklin, Jonathan; Kneafsey, Timothy J.; EGS Collab Team |
HDR/EGS; Microseismicity; Fractures |
EGS Collab, Fracture, Full-waveform, Microearthquake, Moment tensor inversion |
Geothermal Resources Council Transactions |
2019 |
English |
| High-Resolution Imaging of Created Fractures in EGS Collab Experiments Using CASSM Data |
Chi, Benxin; Huang, Lianje; Gao, Kai; Ajo-Franklin, Jonathan; Kneafsey, Timothy J.; EGS Collab Team |
HDR/EGS; Fractures; Seismicity |
Anisotropy, EGS Collab, Enhanced geothermal systems, Fracture, Full-waveform inversion, Imaging, Least-squares reverse-time migration |
Geothermal Resources Council Transactions |
2019 |
English |
| Anisotropic Traveltime Tomography of Campaign Cross-Borehole Seismic Data from the First EGS Collab Testbed |
Gao, Kai; Huang, Lianje; Knox, Hunter A.; Schwering, Paul C.; Hoots, Charles R.; Blankenship, Douglas; Ajo-Franklin, Jonathan; Kneafsey, Timothy J.; EGS Collab Team |
HDR/EGS; Fractures; Seismicity |
Anisotropic media, Cross-Borehole, EGS Collab, Enhanced Geothermal Systems, Traveltime Tomography |
Geothermal Resources Council Transactions |
2019 |
English |
| EGS Collab Project: Accomplishments and Plans |
Kneafsey, Timothy; Blankenship, Doug; Dobson, Patrick; Morris, Joseph; White, Mark; Knox, Hunter; Johnson, Timothy; Ajo-Franklin, Jonathan; Schwering, Paul; Fu, Pengcheng; Podgorney, Robert; Huang, Lianje; Johnston, Bud; Roggenthen, William; et al. |
HDR/EGS; Well testing; Flow testing; Well stimulation |
Enhanced Geothermal Systems, EGS Collab, stimulation, crystalline rock, Sanford Underground Research Facility, coupled process modeling, experimental, field test, flow test |
Geothermal Resources Council Transactions |
2019 |
English |
| Observations from the First EGS Collab Testbed: Part 2 – Responses of Fractured, Crystalline Rock to Long-Term Flow Experiments |
Knox, Hunter; Schwering, Paul; Fu, Pengcheng; Vermeul, Vincent; Strickland, Christopher; Burghardt, Jeffrey; Ajo-Franklin, Jonathan; Schoenball, Martin; Ingraham, Mathew; Blankenship, Douglas; Kneafsey, Timothy; EGS Collab Team |
HDR/EGS; Hydraulic stimulation; Fractures; Flow testing |
EGS Collab, flow experiments, fluid circulation, fracture, crystalline rock |
Geothermal Resources Council Transactions |
2019 |
English |
| Fracture Tracer Injection Response to Pressure Perturbations at an Injection Well |
Mattson, Earl; Neupane, Ghanashyam; Hawkins, Adam; Burghardt, Jeff; Ingraham, Mathew; Plummer, Mitchell; EGS Collab Team |
HDR/EGS; Tracer testing; Fractures |
EGS, fracture characterization, field tracer tests |
Geothermal Resources Council Transactions |
2019 |
English |
| EGS Collab Earth Modeling: Integrated 3D Model of the Testbed |
Neupane, Ghanashyam; Podgorney, Robert; Huang, Hai; Mattson, Earl; Kneafsey, Timothy; Dobson, Patrick; Schoenball, Martin; Ajo-Franklin, Jonathan; Schwering, Paul; Knox, Hunter; Blankenship, Douglas; Johnson, Timothy; Strickland, Christopher; et al. |
HDR/EGS; Geological surveys; Geophysical surveys; Fractures; |
EGS Collab, SURF, Homestake Mine, geothermal, earth modeling |
Geothermal Resources Council Transactions |
2019 |
English |
| Observations from the First EGS Collab Testbed: Part 1 – Responses of Fractured, Crystalline Rock to Hydraulic Stimulation and Initial Fluid Circulation Experiments |
Schwering, Paul; Fu, Pengcheng; Vermeul, Vincent; Strickland, Christopher; Knox, Hunter; Burghardt, Jeffrey; Ajo-Franklin, Jonathan; Schoenball, Martin; Ingraham, Mathew; Blankenship, Douglas; Kneafsey, Timothy; EGS Collab Team |
HDR/EGS; Hydraulic fracturing; Well stimulation; Fractures; |
EGS Collab, hydraulic stimulation, fluid circulation, fracture, crystalline rock |
Geothermal Resources Council Transactions |
2019 |
English |
| Slip Tendency Analysis of Fracture Networks to Determine Suitability of Candidate Testbeds for the EGS Collab Hydroshear Experiment |
Singh, Ankush; Zoback, Mark; Neupane, Ghanashyam; Dobson, Patrick; Kneafsey, Timothy; Schoenball, Martin; Guglielmi, Yves; Ulrich, Craig; Roggenthen, William; Uzunlar, Nuri; Morris, Joseph; Fu, Pengchen; Schwering, Paul; Knox, Hunter; Fresh, Luke; et al. |
HDR/EGS; Hydraulic fracturing; Well stimulation; Rock mechan |
EGS Collab, Shear Stimulation, Slip Potential, Site Selection |
Geothermal Resources Council Transactions |
2019 |
English |
| Geochemical Impacts to Fracture Flow at the Core Scale |
Smith, Megan M.; Carroll, Susan A.; Jones, Clay; EGS Collab Team |
HDR/EGS; Geochemical surveys |
EGS Collab; geochemistry; experiment |
Geothermal Resources Council Transactions |
2019 |
English |
| Status of Japanese Supercritical Geothermal Project in FY2018 |
Asanuma, Hiroshi; Mogi, Toru; Tsuchiya, Noriyoshi; Watanabe, Noriaki; Naganawa, Shigemi; Ogawa, Yasuo; Fujimitsu, Yasuhiro; Kajiwara, Tatsuya; Osato, Kazumi; Shimeda, Kuniaki; Horimoto, Seiki; Sato, Takashi; Yamada, Shigeto; Watanabe, Kimio; Gotoh, Y. |
Exploration; Supercritical fluids |
Supercritical geothermal development, JBBP |
Geothermal Resources Council Transactions |
2019 |
English |
| GreenFire Energy Closed-Loop Geothermal Demonstration at the Coso Geothermal Field |
Higgins, Brian; Muir, John; Scherer, Joe; Amaya, Alvaro |
Equipment design; Working fluids; Downhole heat exchangers |
Closed loop, Geothermal Retrofit, Demonstration |
Geothermal Resources Council Transactions |
2019 |
English |
| Design and Laboratory Study of a Five-layer Thermoelectric Power Generator |
Li, Kewen; Garrison, Geoffrey; Moore, Michael; Zhu, Yuhao; Horne, Roland; Petty, Susan |
Equipment design; Electric generators |
Thermoelectric generator system (TEGs), direct power generation, thermoelectric effect, thermal efficiency |
Geothermal Resources Council Transactions |
2019 |
English |
| Combining Geothermal Potential and Direct Air Capture for Negative Emission Power Generation in California |
Pilorge, Helene; Psarras, Peter; He, Jiajun; Wilcox, Jennifer L. |
Equipment design; Carbon dioxide; Effluent abatement; Air qu |
Negative emissions, direct air capture, geothermal energy, geothermal waste heat use, California |
Geothermal Resources Council Transactions |
2019 |
English |
| Supercritical Geothermal Cogeneration to Provide Long Run Solutions to Problems Facing the Salton Sea Area |
Schnell, J.; Elders, W.A.; Kostecki, R.; Osborn, W.L.; Tucker, M.C.; Urban, J.J.; Wachsman, E.D. |
Supercritical fluids; Mineral extraction; Desalination; Powe |
Supercritical, Brayton cycle, carbon dioxide, electrolysis, ceramic proton-conducting membrane, carbon credits, metals and minerals, desalination, switchable polarity solvent forward osmosis |
Geothermal Resources Council Transactions |
2019 |
English |
| The Use of Advanced Percussion Drilling to Improve Subsurface Permeability for Enhanced Geothermal Systems |
Lao, Kang; Bruno, Michael; Diessl, Julia; Ramos, Juan; Oliver, Nicky |
HDR/EGS; Percussion fracturing; Rock mechanics |
Geothermal, EGS, Permeability, Percussion Drilling |
Geothermal Resources Council Transactions |
2019 |
English |
| Urban Close-Loop Enhanced Geothermal Systems with Deep Multi-Lateral Wells |
Vetsak, Alex |
HDR/EGS; Drilling; Fractures |
Close-loop enhanced geothermal systems, multi-lateral wells, urban power generation, geothermal well construction |
Geothermal Resources Council Transactions |
2019 |
English |
| Parametric Study of Waterless Stimulation with Multiple Energetic Sources |
Vorobiev, Oleg Y.; Morris, Joseph P.; Grubelich, Mark C. |
HDR/EGS; Well stimulation; Fractures |
Waterless fracturing, enhanced geothermal, modeling, experiment |
Geothermal Resources Council Transactions |
2019 |
English |
| Summary of the Investigations Conducted Following the November 2017 Earthquake in Pohang, South Korea, and Implications for the Haute-Sorne Multi-stage-stimulation EGS Project, Switzerland |
Zingg, Olivier; Meier, Peter |
HDR/EGS; Induced seismicity |
EGS, Pohang, Korea, Haute-Sorne, Switzerland, Induced seismicity, Earthquake |
Geothermal Resources Council Transactions |
2019 |
English |