A review of geothermal energy resources, development, and applications in China: Current status and prospects

J Zhu, K Hu, X Lu, X Huang, K Liu, X Wu - Energy, 2015 - Elsevier
The objective of this paper is to introduce geothermal energy resources, utilization,
development roadmap, and government support in China. Over the last 20 years, China was …

A review of liquid nitrogen fracturing technology

Z Huang, S Zhang, R Yang, X Wu, R Li, H Zhang… - Fuel, 2020 - Elsevier
Hydraulic fracturing is an efficient stimulation means for the exploitation of unconventional
oil/gas resources as well as geothermal energy. However, there are several issues for …

Numerical simulation of heat extraction performance in enhanced geothermal system with multilateral wells

X Song, Y Shi, G Li, R Yang, G Wang, R Zheng, J Li… - Applied energy, 2018 - Elsevier
A novel enhanced geothermal system with multilateral wells is proposed to extract heat from
hot dry rock in this study. For this EGS, one main wellbore is drilled to hot dry rock. Several …

Numerical simulation of the heat extraction in EGS with thermal-hydraulic-mechanical coupling method based on discrete fractures model

Z Sun, X Zhang, Y Xu, J Yao, H Wang, S Lv, Z Sun… - Energy, 2017 - Elsevier
Abstract The Enhanced Geothermal System (EGS) creates an artificial geothermal reservoir
by hydraulic fracturing which allows heat transmission through the fractures by the …

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 …

Numerical simulation of the heat extraction in 3D-EGS with thermal-hydraulic-mechanical coupling method based on discrete fractures model

J Yao, X Zhang, Z Sun, Z Huang, J Liu, Y Li, Y Xin… - Geothermics, 2018 - Elsevier
The geothermal heat production from Enhanced Geothermal System (EGS) is influenced by
complex thermal-hydraulic-mechanical (THM) coupling process, it is necessary to consider …

Performance of enhanced geothermal system (EGS) in fractured geothermal reservoirs with CO2 as working fluid

T Guo, F Gong, X Wang, Q Lin, Z Qu… - Applied thermal …, 2019 - Elsevier
Creating an open, connected fracture by hydraulic stimulation is vital to heat mining in an
enhanced geothermal system (EGS). The existence of natural fractures, which seriously …

Designing multi-well layout for enhanced geothermal system to better exploit hot dry rock geothermal energy

J Chen, F Jiang - Renewable Energy, 2015 - Elsevier
Heat extraction mode, eg well layout or arrangement of wells, of enhanced or engineered
geothermal system (EGS) is crucial to its performance and directly affects its commercial …

Numerical investigation on heat extraction performance of a multilateral-well enhanced geothermal system with a discrete fracture network

Y Shi, X Song, J Li, G Wang, R Zheng, F YuLong - Fuel, 2019 - Elsevier
Our previous study (Song et al., 2018) proposed a novel enhanced geothermal system
(EGS) with multilateral wells and demonstrated that it had greater heat extraction …

An integrated multi-objective optimization method to improve the performance of multilateral-well geothermal system

G Song, X Song, G Li, Y Shi, G Wang, J Ji, F Xu… - Renewable Energy, 2021 - Elsevier
Operational parameters optimization is of great significance to improve overall heat
extraction performance from the hydrothermal or enhanced geothermal system. Injection …