Hydromechanical modeling of the hydraulic stimulations in borehole PX2 (Pohang, South Korea)

A Alcolea, P Meier, V Vilarrasa, S Olivella, J Carrera - Geothermics, 2024 - Elsevier
AM w 5.5 earthquake struck Pohang (South Korea) on November 2017, following a
sequence of five hydraulic stimulations of an Enhanced Geothermal System (EGS). The …

[HTML][HTML] Implicit hydromechanical representation of fractures using a continuum approach

I Vaezi, F Parisio, K Yoshioka, A Alcolea… - International Journal of …, 2024 - Elsevier
Fractures control fluid flow, solute transport, and mechanical deformation in crystalline
media. They can be modeled numerically either explicitly or implicitly via an equivalent …

Seismic Activity Reveals the Coexistence of Multiple Mechanisms of Fault Reactivation Induced by Hydraulic Fracturing in the Gonghe EGS Project in Qinghai China

X Yin, C Jiang, H Zhai, F Yin… - Seismol Res Lett …, 2024 - pubs.geoscienceworld.org
The application of hydraulic fracturing technology in deep geothermal development can
activate pre-existing faults and induce significant earthquakes, impacting disaster …

[HTML][HTML] Effectiveness of injection protocols for hydraulic stimulation in enhanced geothermal systems

SK Tangirala, F Parisio, I Vaezi, V Vilarrasa - Geothermics, 2024 - Elsevier
To harness the immense potential of geothermal energy for non-intermittent baseload
power, low-permeability crystalline hot rocks need to be hydraulically stimulated to create …

[HTML][HTML] Bleed-off control on post-injection seismicity in enhanced geothermal systems

IR Kivi, V Vilarrasa, KI Kim, H Yoo, KB Min - Underground Space, 2024 - Elsevier
Deep geothermal reservoirs could provide widespread access to clean and renewable
energy around the world. However, hydraulic stimulation of these reservoirs to create …

Leveraging negative pore pressure to constrain post-injection-induced slip of rock fractures

Z Fang, W Wu - International Journal of Rock Mechanics and Mining …, 2025 - Elsevier
Negative pore pressure caused by unconventional energy production may offer insights into
predicting and mitigating post-injection-induced seismicity. Here we presented triaxial shear …

Numerical Simulation of Geothermal Extraction for Interaction between Irregular Curve Fractures and Heterogeneous Reservoirs

S Mu, L Zhao, A Zhang - Rock Mechanics and Rock Engineering, 2024 - Springer
The irregular bending shape of fractures and reservoir heterogeneity have a negative impact
on geothermal exploitation. In this paper, a new three-dimensional numerical model of …