| Theoretical Numerical Simulation of the Effect of Fracture Distribution Characteristics on EGS Heat Extraction |
Haizhen ZHAI, Guangrong JIN, Zheng SU, Lihua LIU, Nengyou WU |
EGS - Enhanced Geothermal Systems |
Enhanced geothermal system (EGS); Reservoir stimulation; Fracture distribution; Preferential flow ratio; Preferential thickness ratio |
World Geothermal Congress |
2020 |
English |
| Numerical Simulation of Fluid Flow and Heat Transfer in Hot Rocks with Single Fracture Considering THM Coupling Processes |
ZHANG Xu, LI Yang, YAO Jun, HUANG Zhaoqin, SUN Zhixue |
EGS - Enhanced Geothermal Systems |
enhanced geothermal system; fractured rocks; THM coupling; aperture heterogeneity |
World Geothermal Congress |
2020 |
English |
| Experimental Investigation of Heat Transfer by Water Flowing Through Rough Fractures |
ZHANG Yanjun, MA Yueqiang, HUANG Yibin, ZHANG Chi |
EGS - Enhanced Geothermal Systems |
rough fracture; heat transfer; enhanced geothermal system; joint roughness coefficient |
World Geothermal Congress |
2020 |
English |
| Integrated Numerical Study of the Energy Extraction and Conversion Coupled Process in Enhanced Geothermal Systems |
ZHANG Le, HE Jiayuan, WANG Haibo, JI Bingyu |
EGS - Enhanced Geothermal Systems |
hot dry rock; enhanced geothermal systems; reservoir heat extraction; coupled numerical simulation |
World Geothermal Congress |
2020 |
English |
| Shear Induced Seepage and Heat Transfer Evolution in Hot Dry Rock Reservior |
Hongwei ZHANG, Zhijun WAN, Derek ELSWORTH, Yixin ZAO, Yuan ZHANG |
EGS - Enhanced Geothermal Systems |
Geothermal energy; EGS reservoir; shear; permeability; heat extraction |
World Geothermal Congress |
2020 |
English |
| Cyclic Hydraulic Stimulation Design to Develop Enhanced Geothermal Systems (EGS) |
Günter ZIMMERMANN, Hannes HOFMANN, Arno ZANG, Ove STEPHANSSON, Marton FARKAS, Jeoung Seok YOON, Li ZHUANG, Kwang Yeom KIM, Ki-Bok MIN |
EGS - Enhanced Geothermal Systems |
Cyclic stimulation, Enhanced Geothermal Systems, Äspö HRL, Pohang Geothermal site |
World Geothermal Congress |
2020 |
English |
| Real-Time Microearthquake Event Detection and Location Using a Multiscale Scanning Approach for EGS Collab Experiments |
Yu CHEN, Lianjie HUANG, Martin SCHOENBALL, Jonathan AJO-FRANKLIN, Timothy KNEAFSEY, and EGS Collab Team |
EGS Collab |
Correlation coefficient, Enhanced Geothermal Systems, EGS Collab, EGS stimulation, MEQ detection, MEQ location, microearthquake, multiscale, real-time, STA/LTA |
Stanford Geothermal Workshop |
2019 |
English |
| EGS Collab Experiment 1 Site Geomechanical and Hydrological Properties by Triaxial Direct Shear |
Luke P. FRASH, J.W. (Bill) CAREY, Nathan J. WELCH, and EGS Collab Team |
EGS Collab |
permeability, shear strength, hydroshear, Poorman’s schist, x-ray tomography, acoustic velocity, density |
Stanford Geothermal Workshop |
2019 |
English |
| Microseimsic Signatures of Hydraulic Fracturing: A Preliminary Interpretation of Intermediate-Scale Data from the EGS Collab Experiment 1 |
Pengcheng FU, Martin Schoenball, Joseph MORRIS, Jonathan AJO-FRANKLIN, Hunter KNOX, Timothy KNEAFSEY, Jeffrey BURGHARDT, Mark WHITE, and EGS Collab Team |
EGS Collab |
EGS, Collab, hydraulic fracturing, microseismic |
Stanford Geothermal Workshop |
2019 |
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 |
| EGS Collab Project Electrical Resistivity Tomography Characterization and Monitoring |
Tim JOHNSON, Chris STRICKLAND, Hunter KNOX, Jonathan THOMLE, Vince VERMEUL, Craig ULRICH, Tim KNEAFSEY, Doug BLANKENSHIP, and The EGS Collab Team |
EGS Collab |
electrical resistivity tomography, imaging, monitoring, geophysics, Sanford Underground Research Center, hydraulic fracture, flow testing |
Stanford Geothermal Workshop |
2019 |
English |
| EGS Collab Project: Status and Progress |
Timothy J. KNEAFSEY, Doug BLANKENSHIP, Hunter A. KNOX, Timothy C. JOHNSON, Jonathan B. AJO-FRANKLIN, Paul C. SCHWERING, Patrick F. DOBSON, Joseph P. MORRIS, Mark D. WHITE, Robert PODGORNEY, William ROGGENTHEN, Thomas DOE, Earl MATTSON, Carol VALLADAO, and The EGS COLLAB TEAM |
EGS Collab |
EGS Collab, EGS, stimulation, hydraulic fracturing, shear stimulation |
Stanford Geothermal Workshop |
2019 |
English |
| Coupled Thermo-Hydro-Mechanical-Seismic Modeling of Fracture Reservoir Stimulation with Application to EGS Collab |
Jianrong LU, Ahmad GHASSEMI |
EGS Collab |
3D fracture network, Fracture flow, Fracture dilation and propagation, Induced seismicity, Seismic modeling |
Stanford Geothermal Workshop |
2019 |
English |
| Subsurface Seismic Structure Around the Sanford Underground Research Facility |
Chengping Chai, Monica MACEIRA, Hector J. SANTOS-VILLALOBOS, EGS Collab Team |
EGS Collab |
3D seismic structure, joint inversion, Black Hills, SURF, EGS Collab |
Stanford Geothermal Workshop |
2019 |
English |
| Preliminary Collab Fracture Characterization Results from Flow and Tracer Testing Efforts |
Earl MATTSON, Yuran ZHANG, Adam HAWKINS, Tim JOHNSON, Jonathan AJO-FRANKLIN, Ghanashyam NEUPANE and The COLLAB TEAM |
EGS Collab |
EGS, tracers, fractures, |
Stanford Geothermal Workshop |
2019 |
English |
| Anisotropic Elastic-Waveform Inversion and Least-Squares Reverse-Time Migration of CASSM Data for Experiment I of the EGS Collab Project |
Wenyong PAN, Lianjie HUANG, Kai GAO, Jonathan AJO-FRANKLIN, Timothy J. KNEAFSEY, and EGS Collab Team |
EGS Collab |
Anisotropic, enhanced geothermal systems, EGS Collab project, elastic-waveform inversion, fracture, least-squares reverse-time migration, stimulation |
Stanford Geothermal Workshop |
2019 |
English |
| Microseismic Monitoring of Meso-scale Stimulations for the DOE EGS Collab Project at the Sanford Underground Research Facility |
Martin SCHOENBALL, Jonathan AJO-FRANKLIN, Doug BLANKENSHIP, Paul COOK, Patrick DOBSON, Pengcheng FU, Yves GUGLIELMI, Timothy KNEAFSEY, Hunter KNOX, Petr PETROV, Michelle ROBERTSON, Paul SCHWERING, Dennise TEMPLETON, Craig ULRICH, Todd WOOD, and The EGS Collab Team |
EGS Collab |
Collab, stimulation, EGS |
Stanford Geothermal Workshop |
2019 |
English |
| Microseismic Correlation and Cluster Analysis of DOE EGS Collab Data |
Dennise TEMPLETON, Joseph MORRIS, Martin SCHOENBALL, Todd WOOD, Michelle ROBERTSON, Paul COOK, Patrick DOBSON, Craig ULRICH, Jonathan AJO-FRANKLIN, Timothy KNEAFSEY, Paul SCHWERING, Doug BLANKENSHIP, Hunter KNOX, and The EGS COLLAB TEAM |
EGS Collab |
microseismicity, EGS, Collab, mesoscale experiment |
Stanford Geothermal Workshop |
2019 |
English |
| Getting Data Out of the Ground: Modern Data Challenges Facing EGS Collab, the DOE Geothermal Data Repository, and the Geothermal Industry |
Jon WEERS, Jay HUGGINS |
EGS Collab |
EGS, FORGE, GDR, DOE, big, data, challenges, storage, transfer, utilization, access, discoverability |
Stanford Geothermal Workshop |
2019 |
English |
| The Necessity for Iteration in the Application of Numerical Simulation to EGS: Examples from the EGS Collab Test Bed 1 |
M.D. WHITE, T.C. JOHNSON, T.J. KNEAFSEY, D. BLANKENSHIP, P. FU, H. WU, A. GHASSEMI, J. LU, H. HUANG, G.H. NEUPANE, C.M. OLDENBURG, C.A. DOUGHTY, B.H. JOHNSTON, P. WINTERFELD, R. POLLYEA, R. JAYNE, A.J. HAWKINS, Y. ZHANG, EGS Collab Team |
EGS Collab |
numerical simulation, EGS Collab, enhanced geothermal systems, Sanford Underground Research Facility, meso-scale experiment, hydraulic fracture, natural fracture, THMC modeling |
Stanford Geothermal Workshop |
2019 |
English |