Numerical simulation of multifracture HDR geothermal reservoirs

MD Aliyu, RA Archer - Renewable Energy, 2021 - Elsevier
This paper presents a three-dimensional (3D) numerical model of multifracture hot dry rock
(HDR) systems using coupled thermo-hydro-mechanical (THM) modelling processes …

Field observations at the Fenton Hill enhanced geothermal system test site support mixed-mechanism stimulation

JH Norbeck, MW McClure, RN Horne - Geothermics, 2018 - Elsevier
Abstract The Fenton Hill enhanced geothermal system (EGS) test site was the first of its kind,
and interpretations of field observations from the project have influenced the past four …

Insight into the investigation of heat extraction performance affected by natural fractures in enhanced geothermal system (EGS) with THM multiphysical field model

J Liu, P Zhao, J Peng, H Xian - Renewable Energy, 2024 - Elsevier
Geothermal resources have important value for its development and utilization. In this work,
a thermal–hydraulic–mechanical (THM) coupled numerical model is developed to simulate …

A thermo-hydro-mechanical model of a hot dry rock geothermal reservoir

MD Aliyu, RA Archer - Renewable Energy, 2021 - Elsevier
With sufficient data and the appropriate modelling tools, it is possible to replicate the real-life
behaviour of geothermal systems. Modelling tools could guide geologists, engineers and …

Numerical study on a multifracture enhanced geothermal system considering matrix permeability enhancement induced by thermal unloading

P Zhao, J Liu, D Elsworth - Renewable Energy, 2023 - Elsevier
We explore an enhanced geothermal system (EGS) reservoir with horizontal wells
connecting multiple hydraulic fractures. In particular we follow the implications of complex …

深地能源工程热水力多场耦合效应高效模拟方法.

赵志宏, 刘桂宏, 徐浩然 - … Mechanics/Gongcheng Lixue, 2020 - search.ebscohost.com
English Performance and safety assessment of the coupled thermo-hydro-mechanical
process in deep geo-energy engineering is challenging, because of the complex …

Evaluation of possible reactivation of undetected faults during CO2 injection

L Blanco-Martín, E Jahangir, AP Rinaldi… - International Journal of …, 2022 - Elsevier
Geologic storage of carbon dioxide can efficiently contribute to reduce greenhouse gas
emissions to the atmosphere. Two major hazards of this technology are leakage towards the …

A suite of benchmark and challenge problems for enhanced geothermal systems

M White, P Fu, M McClure, G Danko, D Elsworth… - … and Geophysics for Geo …, 2018 - Springer
A diverse suite of numerical simulators is currently being applied to predict or understand
the performance of enhanced geothermal systems (EGS). To build confidence and identify …

A robust numerical modeling framework for coupled thermo-hydro-mechanical process in deep geo-energy engineering

Z ZHAO, G LIU, H XU - Engineering Mechanics, 2020 - engineeringmechanics.cn
The performance and safety assessment of the coupled thermo-hydro-mechanical process
in deep geo-energy engineering are challenging, because of the complex mechanical …

Experimental investigation of chemically aided fracture growth in silicified fault rocks

OA Callahan, P Eichhubl, JE Olson, NC Davatzes - Geothermics, 2020 - Elsevier
Using double-torsion load-relaxation tests, we evaluated the effect of chemical environment
on fracture toughness and subcritical fracture growth index (SCI) in silicified fault rocks …