How to reduce fluid-injection-induced seismicity A Zang, G Zimmermann, H Hofmann, O Stephansson, KB Min, KY Kim Rock Mechanics and Rock Engineering 52, 475-493, 2019 | 154 | 2019 |
Hot water generation for oil sands processing from enhanced geothermal systems: Process simulation for different hydraulic fracturing scenarios H Hofmann, T Babadagli, G Zimmermann Applied Energy 113, 524-547, 2014 | 152 | 2014 |
A grain based modeling study of mineralogical factors affecting strength, elastic behavior and micro fracture development during compression tests in granites H Hofmann, T Babadagli, JS Yoon, A Zang, G Zimmermann Engineering Fracture Mechanics 147, 261-275, 2015 | 151 | 2015 |
First field application of cyclic soft stimulation at the Pohang Enhanced Geothermal System site in Korea H Hofmann, G Zimmermann, M Farkas, E Huenges, A Zang, M Leonhardt, ... Geophysical Journal International 217 (2), 926-949, 2019 | 124 | 2019 |
Cyclic hydraulic fracturing of pocheon granite cores and its impact on breakdown pressure, acoustic emission amplitudes and injectivity L Zhuang, KY Kim, SG Jung, M Diaz, KB Min, A Zang, O Stephansson, ... International Journal of Rock Mechanics and Mining Sciences 122, 104065, 2019 | 107 | 2019 |
Cyclic soft stimulation (CSS): a new fluid injection protocol and traffic light system to mitigate seismic risks of hydraulic stimulation treatments H Hofmann, G Zimmermann, A Zang, KB Min Geothermal Energy 6 (1), 1-33, 2018 | 106 | 2018 |
Potential for enhanced geothermal systems in Alberta, Canada H Hofmann, S Weides, T Babadagli, G Zimmermann, I Moeck, ... Energy 69, 578-591, 2014 | 101 | 2014 |
A grain based modeling study of fracture branching during compression tests in granites H Hofmann, T Babadagli, G Zimmermann International Journal of Rock Mechanics and Mining Sciences 77, 152-162, 2015 | 95 | 2015 |
A hybrid discrete/finite element modeling study of complex hydraulic fracture development for enhanced geothermal systems (EGS) in granitic basements H Hofmann, T Babadagli, JS Yoon, G Blöcher, G Zimmermann Geothermics 64, 362-381, 2016 | 72 | 2016 |
Numerical simulation of complex fracture network development by hydraulic fracturing in naturally fractured ultratight formations H Hofmann, T Babadagli, G Zimmermann Journal of Energy Resources Technology 136 (4), 042905, 2014 | 69 | 2014 |
Laboratory true triaxial hydraulic fracturing of granite under six fluid injection schemes and grain-scale fracture observations L Zhuang, SG Jung, M Diaz, KY Kim, H Hofmann, KB Min, A Zang, ... Rock Mechanics and Rock Engineering 53, 4329-4344, 2020 | 61 | 2020 |
Discrete element modelling of hydraulic fracture propagation and dynamic interaction with natural fractures in hard rock JS Yoon, A Zang, O Stephansson, H Hofmann, G Zimmermann Procedia Engineering 191, 1023-1031, 2017 | 52 | 2017 |
Transmissivity of aligned and displaced tensile fractures in granitic rocks during cyclic loading H Hofmann, G Blöcher, H Milsch, T Babadagli, G Zimmermann International Journal of Rock Mechanics and Mining Sciences 87, 69-84, 2016 | 48 | 2016 |
Cyclic water injection potentially mitigates seismic risks by promoting slow and stable slip of a natural fracture in granite Y Ji, L Zhuang, W Wu, H Hofmann, A Zang, G Zimmermann Rock Mechanics and Rock Engineering, 1-17, 2021 | 47 | 2021 |
Evaluating micro-seismic events triggered by reservoir operations at the geothermal site of Groß Schönebeck (Germany) G Blöcher, M Cacace, AB Jacquey, A Zang, O Heidbach, H Hofmann, ... Rock Mechanics and Rock Engineering 51, 3265-3279, 2018 | 43 | 2018 |
Laboratory experiments on fault behavior towards better understanding of injection-induced seismicity in geoenergy systems Y Ji, H Hofmann, K Duan, A Zang Earth-Science Reviews 226, 103916, 2022 | 39 | 2022 |
Potential for enhanced geothermal systems in low permeability limestones–stimulation strategies for the Western Malm karst (Bavaria) H Hofmann, G Blöcher, N Börsing, N Maronde, N Pastrik, G Zimmermann Geothermics 51, 351-367, 2014 | 38 | 2014 |
Induced seismicity risk analysis of the hydraulic stimulation of a geothermal well on Geldinganes, Iceland M Broccardo, A Mignan, F Grigoli, D Karvounis, AP Rinaldi, L Danciu, ... Natural Hazards and Earth System Sciences Discussions 2019, 1-39, 2019 | 30 | 2019 |
An experimental and numerical evaluation of continuous fracture permeability measurements during effective pressure cycles H Milsch, H Hofmann, G Blöcher International Journal of Rock Mechanics and Mining Sciences 89, 109-115, 2016 | 29 | 2016 |
Relaxation damage control via fatigue-hydraulic fracturing in granitic rock as inferred from laboratory-, mine-, and field-scale experiments A Zang, G Zimmermann, H Hofmann, P Niemz, KY Kim, M Diaz, L Zhuang, ... Scientific reports 11 (1), 6780, 2021 | 28 | 2021 |