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 …

The evolving role of geothermal energy for decarbonizing the United States

JW Tester, KF Beckers, AJ Hawkins… - Energy & environmental …, 2021 - pubs.rsc.org
Geothermal energy is often referred to as a niche technology that is too localized, too small
or too expensive to make much of a difference in how renewable energy will be supplied in …

Evaluation of geothermal energy extraction in Enhanced Geothermal System (EGS) with multiple fracturing horizontal wells (MFHW)

F Gong, T Guo, W Sun, Z Li, B Yang, Y Chen, Z Qu - Renewable Energy, 2020 - Elsevier
The deep geothermal energy produced from Enhanced Geothermal System (EGS) has a
great development prospect because of enormous potential and environmental friendliness …

Heat extraction analysis of a novel multilateral-well coaxial closed-loop geothermal system

G Wang, X Song, Y Shi, R Yang, F Yulong, R Zheng… - Renewable Energy, 2021 - Elsevier
We propose a novel multilateral-well coaxial closed-loop geothermal system (CCGS) to help
realize the commercial exploitation of hot dry rock. Compared with the enhanced geothermal …

Parametric study of the production performance of an enhanced geothermal system: A case study at the Qiabuqia geothermal area, northeast Tibetan plateau

C Zhang, G Jiang, X Jia, S Li, S Zhang, D Hu, S Hu… - Renewable energy, 2019 - Elsevier
Abstract Enhanced Geothermal System (EGS) is an essential approach to entrap heat from
deep hot dry rock (HDR), a low-carbon and renewable energy. Understanding the long-term …

Improving enhanced geothermal systems performance using adaptive fracture conductivity

F Al Balushi, Q Zhang, AD Taleghani - Applied Thermal Engineering, 2023 - Elsevier
Maximizing heat extraction from enhanced geothermal systems (EGS) depends heavily on
an efficient heat sweeping or basically an effective circulation of water through fracture …

Numerical evaluation of heat extraction for EGS with tree-shaped wells

J Zhang, J Xie, X Liu - International Journal of Heat and Mass Transfer, 2019 - Elsevier
A reasonable well structure can help to extract heat from the Hot Dry Rock (HDR) reservoir
effectively. A tree-shaped well by the fracture-connected way is proposed to improve the …

Effect of different flow schemes on heat recovery from Enhanced Geothermal Systems (EGS)

P Asai, P Panja, J McLennan, M Deo - Energy, 2019 - Elsevier
Operational optimization is the key to maximize the heat extraction efficiency of Enhanced
Geothermal Systems (EGS). Injection/production flowrate is one of the operational …

Utah FORGE: Hydrogeothermal modeling of a granitic based discrete fracture network

S Nadimi, B Forbes, J Moore, R Podgorney… - Geothermics, 2020 - Elsevier
Enhanced geothermal systems (EGS) are engineered reservoirs that have been stimulated
to extract efficiently heat from low permeability hot rock. Generating efficient hydraulic …

Performance evaluation of enhanced geothermal system (EGS): Surrogate models, sensitivity study and ranking key parameters

P Asai, P Panja, J McLennan, J Moore - Renewable Energy, 2018 - Elsevier
Designing an efficient system to extract heat from an enhanced geothermal system (EGS)
requires proper understanding of the behavior of the reservoir over a long period. Five key …