Sustainable development of enhanced geothermal systems based on geotechnical research–A review

WGP Kumari, PG Ranjith - Earth-Science Reviews, 2019 - Elsevier
The world's primary energy requirements are supplied to a large extent by non-renewable
energy resources, which has resulted in significant anthropogenic greenhouse gas …

A comprehensive review on mechanical responses of granite in enhanced geothermal systems (EGSs)

Z Zhu, S Yang, PG Ranjith, W Tian, H Tian… - Journal of Cleaner …, 2023 - Elsevier
Understanding the mechanical responses of granites after various thermal shocks is of
utmost significance for heat extraction through from enhanced geothermal systems (EGSs) …

Fluid-driven micro-cracking behaviour of crystalline rock using a coupled hydro-grain-based discrete element method

L Kong, PG Ranjith, BQ Li - International Journal of Rock Mechanics and …, 2021 - Elsevier
The grain-scale heterogeneity of rock has been found to greatly affect the cracking
behaviour in mechanical tests. However, the heterogeneity has been insufficiently …

Technical analysis of a novel economically mixed CO2-Water enhanced geothermal system

Z Xue, H Ma, Z Sun, C Lu, Z Chen - Journal of Cleaner Production, 2024 - Elsevier
Geothermal energy has undoubtedly been considered a promising low-carbon resource in
future energy supply responding to the rising energy demand and severe climate concerns …

Geochemical mechanisms of water/CO2-rock interactions in EGS and its impacts on reservoir properties: a review

B Gao, Y Li, Z Pang, T Huang, Y Kong, B Li, F Zhang - Geothermics, 2024 - Elsevier
Abstract Geothermal energy from Hot Dry Rock (HDR) with poor permeability is recognized
as a potential future energy source, and it can be exploited by Enhanced Geothermal …

Experimental study of the change of pore structure and strength of granite after fluid-rock interaction in CO2-EGS

B Shu, J Chen, H Xue - Renewable Energy, 2024 - Elsevier
Deep geothermal energy plays an essential role in the future renewable energy supply. To
investigate the mechanism of fluid-rock interaction on the pore structure and the strength of …

A multiphysics method for long-term deformation analysis of reservoir rock considering thermal damage in deep geothermal engineering

Y Zhang, GF Zhao - Renewable Energy, 2023 - Elsevier
The deformation or failure behavior of reservoir rock in deep geothermal engineering has
substantial influences on heat extraction efficiency. Accurate reservoir analyses must …

The use of super-critical carbon dioxide as the working fluid in enhanced geothermal systems (EGSs): A review study

BLA Isaka, PG Ranjith, TD Rathnaweera - … Energy Technologies and …, 2019 - Elsevier
Naturally-occurring high-temperature geothermal energy resources contribute significantly
to the world's emerging energy demand by allowing renewable and clean power generation …

Quantification of thermally-induced microcracks in granite using X-ray CT imaging and analysis

BLA Isaka, PG Ranjith, TD Rathnaweera, MSA Perera… - Geothermics, 2019 - Elsevier
The influence of heating followed by cooling on the alteration of the microstructural
properties of Harcourt granite was comprehensively investigated utilising X-ray computed …

A global review of deep geothermal energy exploration: from a view of rock mechanics and engineering

Y Zhang, GF Zhao - Geomechanics and Geophysics for Geo-Energy and …, 2020 - Springer
Deep geothermal energy exploitation has gained a lot of attentions in energy field due to its
large reserve. Enhanced geothermal system (EGS) is the only one mode to explore hot dry …