| Analyzing Fracture Flow Channel Area in EGS Collab Experiment 1 Testbed |
Pengcheng FU, Hui WU, Xin JU, and Joseph MORRIS |
EGS Collab |
EGS Collab, fluid circulation, leakoff, hydraulic fracture |
Stanford Geothermal Workshop |
2020 |
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 |
| Simulating Hydraulic Fracture Stimulations at the EGS Collab: Model Validation from Experiments 1 and Design-Phase Simulation for Experiment 2 |
Pengcheng FU, Hui WU, Joseph P. MORRIS, Paul C. SCHWERING, Criag ULRICH, Jeffrey A. BURGHARDT, Mathew D. INGRAHAM, Thomas W. DOE and EGS Collab Team |
EGS Collab |
EGS Collab, Hydraulic Fracturing, Fracture simulation, in situ stress |
Stanford Geothermal Workshop |
2021 |
English |
| Mechanistically Modeling of Hydraulic Fracture Propagation and Interaction with Natural Fractures at EGS-Collab Site |
Hai HUANG, Ghanashyam H. Neupane, Robert PODGORNEY, Earl MATTSON and EGS COLLAB Team |
EGS Collab |
EGS Collab, Hydraulic Fracturing, Natural Fracture, Modeling |
Stanford Geothermal Workshop |
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 |
| Application of an Embedded Fracture and Borehole Modeling Approach to the Understanding of EGS Collab Experiment 1 |
Mark WHITE, Pengcheng FU, EGS Collab Team |
Enhanced Geothermal Systems |
EGS Collab, numerical simulation, modeling, embedded fractures, embedded boreholes |
Stanford Geothermal Workshop |
2020 |
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 |
| 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 |
| 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 |
| High-Temperature Laboratory Experiments to Support EGS Stimulations: Permeability Response in Fractured Crystalline Samples |
Megan SMITH, Susan CARROLL, EGS Collab Team |
Geochemistry |
EGS Collab; geochemistry; permeability |
Stanford Geothermal Workshop |
2018 |
English |
| The EGS Collab Hydrofracture Experiment at the Sanford Underground Research Facility – Campaign Cross-Borehole Seismic Characterization |
Schwering, Paul C.; Knox, Hunter A.; Hoots, Charles R.; Linneman, Dorothy; Ajo-Franklin, Jonathan; EGS Collab Team |
EGS Collab; Fractures; Microseismicity; Hydraulic fracturing |
EGS Collab; hydrofracture; cross-borehole seismic; micro-earthquake; acoustic emission |
Geothermal Resources Council Transactions |
2018 |
English |
| The EGS Collab Hydroshear Experiment at the Sanford Underground Research Facility – Siting Criteria and Evaluation of Candidate Sites |
Dobson, P.; Kneafsey, T.; Morris, J.; Singh, A.; Zoback, M.; Roggenthen, W.; Doe, T.; Neupane, G.; Podgorney, R.; Wang, H.; Knox, H.; Schwering, P.; Blankenship, D.; Ulrich, C.; Johnson, T.; White, M.; et al. |
HDR/EGS; Hydroshearing; Hydraulic fracturing; Fractures; COL |
EGS Collab; hydroshear; natural fractures; slip tendency; siting criteria |
Geothermal Resources Council Transactions |
2018 |
English |
| Mechanistically Modeling of Hydraulic Fracture Opening, Closure and Residual Fracture Permeability During Cyclic Flow Injection Tests |
Huang, Hai; Zhou, Jing; Mattson, Earl; Podgorney, Rob |
HDR/EGS; Reservoir modeling; Hydraulic fracturing; Permeabil |
EGS Collab; Modeling; Hydraulic Fracture; Permeability |
Geothermal Resources Council Transactions |
2018 |
English |
| Geothermal: the Marginalization of Earth’s Largest and Greenest Energy Source |
Peter GEISER, Bruce MARSH, Markus HILPERT |
Enhanced Geothermal Systems |
EGS design, thermal diffusivity, imaging |
Stanford Geothermal Workshop |
2016 |
English |
| Automatic Moment Tensor Analyses, In-Situ Stress Estimation and Temporal Stress Changes at the Geysers EGS Demonstration Project |
Douglas S. DREGER, O. Sierra BOYD, Roland GRITTO |
Enhanced Geothermal Systems |
EGS development, fracture characterization, moment tensor analysis, stress state and temporal changes |
Stanford Geothermal Workshop |
2017 |
English |
| Seismic Analysis of Spatio-Temporal Fracture Generation at the Geysers EGS Demonstration Project |
Douglas S. DREGER, O. Sierra BOYD, Roland GRITTO |
Enhanced Geothermal Systems |
EGS development, fracture characterization, moment tensor analysis, stress state and temporal changes, fluid saturation and temporal changes |
Stanford Geothermal Workshop |
2018 |
English |
| Fluid Imaging, Moment Tensors and Finite Source Models at the EGS Demonstration Project at the Geysers, CA |
Roland GRITTO, Douglas S. DREGER, O. Sierra BOYD and Taka'aki TAIRA |
Enhanced Geothermal Systems |
EGS development, fracture characterization, moment tensor, finite-source, Vp/Vs ratio |
Stanford Geothermal Workshop |
2016 |
English |
| Calibrating an EGS Exploration Methodology, A Work-in-Progress |
Joe IOVENITTI, David BLACKWELL, Jon SAINSBURY, Ileana TIBULEAC, Al WAIBEL, Trenton CLADOUHOS, Robert KARLIN, Ed ISAAKS, Matthew CLYNE, B. Mack KENNEDY, Philip WANNAMAKER |
Field Studies |
EGS exploration, qualitative and quantitative assessment, Dixie Valley |
Stanford Geothermal Workshop |
2012 |
English |
| Developing a Calibrated EGS Exploration Metodlogy using the Dixie Valley Geothermal System, A Progress Report |
Joe IOVENITTI, Robert KARLIN, Mahesh THAKUR, David BLACKWELL, Ilieana TIBULEAC, Philip WANNAMAKER, Fletcher IBSER, Jon SAINSBURY |
Enhanced Geothermal Systems |
EGS exploration, seismic, magnetotelluric, gravity, magnetics, statistics, thermal modeling, stress |
Stanford Geothermal Workshop |
2013 |
English |
| The Coso EGS Project--Recent Developments |
Rose, Peter; Sheridan, Judith; McCulloch, Jess; Moore, Joseph N.; Kovac, Katie; Spielman, Paul; Weidler, Ralph; Hickman, Steve |
HDR/EGS; Reservoir Tests; Reservoir Simulation; Borehole Ima |
EGS Field Applications; Engineered Geothermal Systems; Reservoir Tests; Reservoir Simulation; Borehole Image Analysis |
Geothermal Resources Council Transactions |
2004 |
English |