| Visualization of Fracture Initiation Behavior During Liquid Nitrogen Fracturing in Geothermal Wells |
HONG Chunyang, YANG Ruiyue, HUANG Zhongwei, CONG Richao, LIU Wei, WEN Haitao, CHEN Jianxiang |
EGS - Enhanced Geothermal Systems |
Enhanced Geothermal System, Cryogenic fracturing, Liquid nitrogen, thermal stress, complex fracture networks |
World Geothermal Congress |
2020 |
English |
| Dynamics of Natural Rock Fractures in the EGS Revealed Via the Pressurized Water Injection Experiments in Laboratory |
Takuya ISHIBASHI, Hiroshi ASANUMA, Noriaki, WATANABE |
EGS - Enhanced Geothermal Systems |
Fracture shearing, fracture propagation, permeability, pressurized water injection, acoustic emission, slip distance |
World Geothermal Congress |
2020 |
English |
| Energy Balance Analysis of Hydraulic Fracturing During EGS Development |
Tamaki ISHIKAWA, Koichi YAMADA |
EGS - Enhanced Geothermal Systems |
hydraulic fracturing, induced earthquake, energy balance analysis, EGS |
World Geothermal Congress |
2020 |
English |
| Target Selection of Enhanced Geothermal System in Shandong Province |
JIANG Haiyang，WANG Shuxing，KANG Fengxin，ZHANG Ling，SHI Meng |
EGS - Enhanced Geothermal Systems |
HDR，Shandong province，exploration |
World Geothermal Congress |
2020 |
English |
| Lessons Learned from the Ogachi and Hijiori HDR/EGS Projects, Japan |
Hideshi KAIEDA |
EGS - Enhanced Geothermal Systems |
Hot Dry Rock, Ogachi, Hijiori, Multiple reservoir, Microearthquake |
World Geothermal Congress |
2020 |
English |
| Dilemma and Breakthrough on Large-scale Commercial Exploitation of Hot Dry Rock: A Novel Enhanced Geothermal System |
KANG Fangchao, TANG Chunan, LI Yingchun |
EGS - Enhanced Geothermal Systems |
geothermal energy, Hot Dry Rock, deep geothermal exploitation, enhanced geothermal system, EGS-E |
World Geothermal Congress |
2020 |
English |
| Forecasting Induced Seismicity and Maximizing Production of Electricity in EGS |
Dimitrios KARVOUNIS, Stefan WIEMER |
EGS - Enhanced Geothermal Systems |
Induced Seismicity, Probabilistic forecasting, Numerical Modeling, Optimization |
World Geothermal Congress |
2020 |
English |
| Progress of the EGS Project for Water Injection in the Superheated Region at Okuaizu Geothermal Field in Japan |
Masashi KATO, Takashi OKABE, Tatsuya SATO, Haruya NAKATA, Yasuyuki ABE, Hiroshi ASANUMA, Kyosuke OKAMOTO, Keita YOSHIMATSU, Hiroyuki KAMENOSONO, Masahiro TSUZUKI |
EGS - Enhanced Geothermal Systems |
Artificial injection, EGS, R&D, JOGMEC, Water Recharge, Okuaizu, Fukushima |
World Geothermal Congress |
2020 |
English |
| Petrographic Analyzes of Fractured Granites Used as an Analog of the Soultz-sous-Forêts Geothermal Reservoir: Noble Hills, CA, USA |
Johanne KLEE, Ghislain TRULLENQUE, Béatrice LEDESERT, Sébastien POTEL, Ronan HEBERT, Arezki CHABANI and Albert GENTER |
EGS - Enhanced Geothermal Systems |
EGS system, reservoir analogue, fractured granite, rock/fluid interaction |
World Geothermal Congress |
2020 |
English |
| Heat Sources of Hot Dry Rock in the Gonghe Basin, Northeastern Tibetan Plateau |
Yanlong KONG, Sheng PAN, Chao ZHANG |
EGS - Enhanced Geothermal Systems |
heat source, hot dry rock, Gonghe basin, heat flow |
World Geothermal Congress |
2020 |
English |
| Monitoring of EGS Reservoir with Ambient Seismic Noise Interferometry: Case Study of Rittershoffen Site (France) |
D. KULA, J. VERGNE, J. SCHMITTBUHL, J. AZZOLA, D. ZIGONE |
EGS - Enhanced Geothermal Systems |
Seismic noise correlation, reservoir monitoring, artifacts, stimulation |
World Geothermal Congress |
2020 |
English |
| Modeling and Analysis of Multistage Hydraulic Fracturing Design in EGS |
Dharmendra KUMAR, Ahmad GHASSEMI |
EGS - Enhanced Geothermal Systems |
Enhanced geothermal systems, displacement discontinuity method, conventional zipper fracturing, modified zipper fracturing |
World Geothermal Congress |
2020 |
English |
| St1 Deep Heat EGS Project -- Computation of Wellbore-to-wellbore Permeability Stimulation |
Peter LEARY, Peter MALIN, Tero SAARNO, Pekka HEIKKINEN |
EGS - Enhanced Geothermal Systems |
EGS, wellbore stimulation, wellbore-to-wellbore flow, spatial correlation |
World Geothermal Congress |
2020 |
English |
| Coupling EGS Crustal Seismicity to Ambient Crustal Permeability – the Power-law Spatial Correlation Function Γmeq(r) ~ 1/r^1/2 for Stimulation Microseismicity |
Peter LEARY and Peter MALIN |
EGS - Enhanced Geothermal Systems |
EGS, MEQ, geocriticality, fractures, induced seismicity, spatial correlation, Wiener-Khinchin theorem |
World Geothermal Congress |
2020 |
English |
| Induced Seismic and Aseismic Slip in EGS Reservoir: Case Studies from Alsace, France |
Olivier LENGLINE, Léna CAUCHIE, Jean SCHMITTBUHL |
EGS - Enhanced Geothermal Systems |
induced seismicity, repeaters, hydraulic stimulation, stress drop |
World Geothermal Congress |
2020 |
English |
| Techno-economic Performance of Combined Heat and Power (CHP) for EGS with Different Cycle Configurations |
Tailu LI, Nan MENG, Yanhua YAO, Yinchao ZHU |
EGS - Enhanced Geothermal Systems |
Techno-economic performance, combined heat and power, EGS, cycle configuration |
World Geothermal Congress |
2020 |
English |
| Survey of the Forming Mechanism of Hot Dry Rock Along the Southeastern Coast of China |
LIN Wenjing, WANG Guiling, GAN Haonan, YUE Gaofan |
EGS - Enhanced Geothermal Systems |
Hot dry rock; Southeastern coast; Forming model; Geothermal survey; Huizhou No.1 Geothermal Well |
World Geothermal Congress |
2020 |
English |
| Seismic Velocity Variations Associated with Injection Stimulation Based on Seismic Ambient Noise Interferometry at the Pohang, Korea, EGS Site |
Lanbo LIU, and Kwang-Hee KIM |
EGS - Enhanced Geothermal Systems |
Pohang EGS site, seismic velocity change, injection stimulation, induced seismicity, ambient noise interferometry |
World Geothermal Congress |
2020 |
English |
| Heat Extraction Performance Investigation of a Coaxial Double-Pipe Heat Exchanger in a Deep Geothermal Well |
LU Xinli, ZHANG Jiaqi, ZHANG Wei, YU Hao, WANG Taidou |
EGS - Enhanced Geothermal Systems |
geothermal energy production rates, coaxial double-pipe heat exchanger, heating, heat pump |
World Geothermal Congress |
2020 |
English |
| Six Kilometers to Heat: Drilling, Characterizing and Stimulating the OTN-III EGS Well in Finland |
Peter MALIN, Tero SAARNO, Grzegorz KWIATEK, Ilmo KUKKONEN, Peter LEARY, Pekka HEIKKINEN |
EGS - Enhanced Geothermal Systems |
EGS in Finnish basement rocks, hammer drilling, fracture characterization, hydraulic stimulation |
World Geothermal Congress |
2020 |
English |