A global review of enhanced geothermal system (EGS)

SM Lu - Renewable and Sustainable Energy Reviews, 2018 - Elsevier
The goal of this study is to review 18 significant enhanced geothermal system (EGS) sites
and technologies that have been applied in the European Union, Japan, South Korea …

Stimulation mechanism and design of enhanced geothermal systems: A comprehensive review

S Li, S Wang, H Tang - Renewable and Sustainable Energy Reviews, 2022 - Elsevier
By utilizing stimulation technologies, the enhanced geothermal system has emerged as a
highly promising technology in harvesting geothermal energy. In this work, we provide a …

A FDEM-based 2D coupled thermal-hydro-mechanical model for multiphysical simulation of rock fracturing

C Yan, X **e, Y Ren, W Ke, G Wang - International Journal of Rock …, 2022 - Elsevier
A coupled thermal-hydro-mechanical (THM) model based on the combined finite-discrete
element method (FDEM) is presented for simulating rock cracking driven by multi-physics …

Damage progression and acoustic emission in brittle failure of granite and sandstone

XP Zhou, JZ Zhang - International Journal of Rock Mechanics and Mining …, 2021 - Elsevier
This paper experimentally evaluates and quantitatively compares stress-induced damage
progression and acoustic emission (AE) in granite and sandstone based on continuous …

[HTML][HTML] A Peridynamic-enhanced finite element method for Thermo–Hydro–Mechanical coupled problems in saturated porous media involving cracks

T Ni, X Fan, J Zhang, M Zaccariotto… - Computer Methods in …, 2023 - Elsevier
In this paper, a peridynamic-enhanced finite element formulation is introduced for the
numerical simulation of thermo–hydro–mechanical coupled problems in saturated porous …

[HTML][HTML] A three-dimensional coupled thermo-hydro-mechanical model for deformable fractured geothermal systems

S Salimzadeh, A Paluszny, HM Nick, RW Zimmerman - Geothermics, 2018 - Elsevier
A fully coupled thermal-hydraulic-mechanical (THM) finite element model is presented for
fractured geothermal reservoirs. Fractures are modelled as surface discontinuities within a …

[HTML][HTML] Modelling fluid injection-induced fracture activation, damage growth, seismicity occurrence and connectivity change in naturally fractured rocks

Q Lei, NG Doonechaly, CF Tsang - … Journal of Rock Mechanics and Mining …, 2021 - Elsevier
We develop a fully-coupled hydro-mechanical model to simulate fluid injection-induced
activation of pre-existing fractures, propagation of new damages, development of seismic …

Hydraulic fracture propagation in naturally fractured reservoirs: Complex fracture or fracture networks

HY Wang - Journal of Natural Gas Science and Engineering, 2019 - Elsevier
All reservoirs are fractured to some degree. Depending on the density, dimension,
orientation and the cementation of natural fractures and the location where the hydraulic …

The seismo-hydromechanical behavior during deep geothermal reservoir stimulations: open questions tackled in a decameter-scale in situ stimulation experiment

F Amann, V Gischig, K Evans, J Doetsch, R Jalali… - Solid Earth, 2018 - se.copernicus.org
In this contribution, we present a review of scientific research results that address seismo-
hydromechanically coupled processes relevant for the development of a sustainable heat …

[HTML][HTML] Mechanisms causing injectivity decline and enhancement in geothermal projects

W Luo, A Kottsova, PJ Vardon, AC Dieudonné… - … and Sustainable Energy …, 2023 - Elsevier
In geothermal projects, reinjection of produced water has been widely applied for disposing
wastewater, supplying heat exchange media and maintaining reservoir pressure …