| Experimental study of the heat transfer characteristics of single geothermal fracture |
Biao Shu, Runjun Zhu, Jingqiang Tan |
EGS |
Geothermal energy, Permeability, Heat transfer, Confining pressure, Hydraulic aperture |
World Geothermal Congress |
2023 |
English |
| Hot Dry Rock Preconditioning by Multi-stage Fracturing in Excavation-based Enhanced Geothermal System |
Xiaotian wu, Yingchun Li, Chun'an Tang |
EGS |
Excavation-based enhanced geothermal system; rock caveability; multi-stage fracturing; in-situ stress redistribution |
World Geothermal Congress |
2023 |
English |
| Demonstration of an EGS multi-zonal stimulation system at the Bedretto underground rock laboratory |
Peter Meier, Andres Alcolea Rodrigues, Francisco Serbeto, Fabien Christe, Falko Bethmann, Ben Dyer, Raymi Castilla, Dieter Ollinger, Dimitrios Karvounis |
EGS |
EGS, Multi-stage stimulation, mitigation of seismic risks, fiber optic measurements, field demonstration |
World Geothermal Congress |
2023 |
English |
| Analysis of a CO2 blended fluid based EGS cycle and its implication for highly efficient low grade geothermal power generation system |
Kang Zhou, Mengxiang Fang, Tao Wang, Fei Liu |
EGS |
geothermal, EGS cycle, CO2 blended fluid, boiling point, critical point, adiabatic, polytropic, thermosiphon effect |
World Geothermal Congress |
2023 |
English |
| Changes in Hydraulic Properties of the Geothermal Fracture Induced by Cyclic Loading-unloading Processes |
Yilong Yuan, Chenghao Zhong, Tianfu Xu, Fabrizio Gherardi |
EGS |
Enhanced geothermal system; Geothermal fracture; Mechanical deformation; Chemical reaction; Fracture permeability |
World Geothermal Congress |
2023 |
English |
| Numerical Modeling of Permeability Enhancement and Induced Seismicity during EGS Operation using a Partially Bridging Multi-stage Hydraulic Fracture design |
Pengliang Yu, David Dempsey, Rosalind Archer, Chris Marone, Derek Elsworth |
EGS |
Enhanced geothermal system, partially bridging multi-stage fractures, horizontal wells, thermal-hydraulic-mechanical, permeability enhancement, induced-seismicity |
World Geothermal Congress |
2023 |
English |
| The experimental study on hydraulic fracture propagation in dry hot rock |
Baoping Zhang, Zuo Chen, Shihua Liu, Jian Zhou |
EGS |
dry hot rock, hydraulic fracturing, stress difference, fluid viscosity |
World Geothermal Congress |
2023 |
English |
| Enhancement of geothermal exploitation in Qiabuqia geothermal area using a multilateral horizontal well system |
Haizhen Zhai, Guangrong Jin, Lihua Liu, Zheng Su, Guangyu Li, Yuchao Zeng, Nengyou Wu |
EGS |
260 |
World Geothermal Congress |
2023 |
English |
| Multi-Fracturing and Cyclic Hydraulic Stimulation Scenarios to Develop Enhanced Geothermal Systems - Feasibility and Mitigation Strategies to Reduce Seismic Risk |
Günter ZIMMERMANN, Hannes HOFMANN, Tayfun BABADAGLI, JeoungSeok YOON, Arno ZANG, Fiorenza DEON, Luca URPI, Guido BLÖCHER, Alireza HASSANZADEGAN, Ernst HUENGES |
EGS - Enhanced Geothermal Systems |
multi-fracturing, cyclic stimulation, EGS |
World Geothermal Congress |
2015 |
English |
| Characterisation of Natural Fractures and Fracture Zones of the Basel EGS Reservoir Inferred from Geophysical Logging of the Basel-1 Well |
Martin ZIEGLER, Benoît VALLEY, Keith Frederick EVANS |
EGS - Enhanced Geothermal Systems |
geothermal energy, acoustic televiewer data, stick-slip correction, fracture set characteristics |
World Geothermal Congress |
2015 |
English |
| Feasibility Evaluation of EGS Project in the Xujiaweizi Area: Potential Site in Songliao Basin, Northeastern China |
ZHANG Yanjun, GUO Liangliang, LI Zhengwei, YU Ziwang, JIN Xianpeng, XU Tianfu |
EGS - Enhanced Geothermal Systems |
EGS, China, Songliao Basin, Heat production, Feasibility evaluation |
World Geothermal Congress |
2015 |
English |
| The Analytical Solution of the Water-Rock Heat Transfer Coefficient and Sensitivity Analyses of Parameters |
Guowei ZHANG, Jialing ZHU, Jun LI, Qiulin WANG |
EGS - Enhanced Geothermal Systems |
EGS, single fracture, heat transfer coefficient, analytical solution, sensitivity analysis, correlation equation |
World Geothermal Congress |
2015 |
English |
| Heat Extraction Simulation of the Habanero 1 and 3 Doublet Based on a Conditioned Discrete Fracture Network Model |
Chaoshui XU, Peter DOWD |
EGS - Enhanced Geothermal Systems |
Discrete fracture network, heat extraction, fracture stimulation, equivalent pipe model, fracture simulation |
World Geothermal Congress |
2015 |
English |
| Role of Differential Stress in Induced Seismicity in Enhanced Geothermal System: a Review of Previous Hydraulic Stimulation Tests |
Linmao XIE, Ki-Bok MIN, Yoonho SONG, Jaeyoung PARK |
EGS - Enhanced Geothermal Systems |
hydraulic stimulation, differential stress, onset of seismicity, large magnitude event (LME) |
World Geothermal Congress |
2015 |
English |
| Actual Developments in Deep Geothermal Energy in Switzerland |
Roland WYSS, Katharina LINK |
EGS - Enhanced Geothermal Systems |
deep Geothermal Energy, actual developments, Switzerland, direct heat use, power production, potential, challenges |
World Geothermal Congress |
2015 |
English |
| Development of a Numerical Tool for EGS-Layout Calculations Based on 3D XFEM Fracture Propagation Simulations and Laboratory Experiments on Large Rock Samples |
Karen WILLBRAND, Philipp SIEBERT, Nikolai WEBER, Thomas Peter FRIES, Martin FEINENDEGEN, Martin ZIEGLER, Christoph CLAUSER |
EGS - Enhanced Geothermal Systems |
fluid induced fracture propagation, numerical simulation, hydraulic fracturing experiments, XFEM, enhanced geothermal systems, assessment, true triaxial testing facility, acoustic emission monitoring |
World Geothermal Congress |
2015 |
English |
| Petrothermal Energy Generation in Crystalline Rocks (Germany) |
Steffen WAGNER, Matthias REICH, Stefan BUSKE, Heinz KONIETZKY, Hans-Jürgen FÖRSTER and Andrea FÖRSTER |
EGS - Enhanced Geothermal Systems |
Geothermal Energy, EGS,Temperature, Heat Flow, Stress Field, Fault Zones, Geo-mechanical Parameters, Deep Drilling |
World Geothermal Congress |
2015 |
English |
| Estimation of the Stress Magnitudes in Basel Enhanced Geothermal System |
Benoit VALLEY, Keith Frederick EVANS |
EGS - Enhanced Geothermal Systems |
stress characterisation, borehole failure, failure criteria |
World Geothermal Congress |
2015 |
English |
| Study of An EGS Power Plant Preliminary Feasibility Design by An Assumed Productivity Index |
Hannes SVERRISON, Ragnar THORISSON |
EGS - Enhanced Geothermal Systems |
geothermal energy, enhanced geothermal systems, engineered geothermal systems, productivity index, production index, well profile, electric power cycle optimization |
World Geothermal Congress |
2015 |
English |
| Radiogenic Heat Production of Granites and Potential for Hot Dry Rock Geothermal Resource in Guangdong Province, China |
Zhanxue SUN, Andong WANG, Jinhui LIU, Baoqun HU, Gongxin CHEN |
EGS - Enhanced Geothermal Systems |
radiogenic heat, granite, hot dry rock, China |
World Geothermal Congress |
2015 |
English |