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Hydraulic stimulation strategies in enhanced geothermal systems (EGS): a review
Geomechanics and Geophysics for Geo-Energy and Geo-Resources, 2022 AbstractIn enhanced geothermal systems (EGS), the natural permeability of deep rocks is normally not high enough and needs to be increased. Permeability increase can be achieved through various stimulation methods, such as hydraulic, chemical, and thermal stimulation.
Yunzhong Jia +2 more
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The EGS Collab Project: An intermediate-scale field test to address enhanced geothermal system challenges [PDF]
E3S Web of Conferences, 2020 Three components are typically needed to extract geothermal energy from the subsurface: 1. hot rock, 2. a heat transfer fluid, and 3. flow pathways contacting the fluid and the rock.
Timothy Kneafsey
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Fracture Transmissivity in Prospective Host Rocks for Enhanced Geothermal Systems (EGS) [PDF]
Geosciences, 2022 We experimentally determined the hydraulic properties of fractures within various rock types, focusing on a variety of Variscan rocks. Flow-through experiments were performed on slate, graywacke, quartzite, granite, natural fault gouge, and claystone ...
Johannes Herrmann +4 more
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Comparative Analysis of Power Plant Options for Enhanced Geothermal Systems (EGS) [PDF]
Energies, 2014 Enhanced geothermal systems (EGS) extract heat from underground hot dry rock (HDR) by first fracturing the HDR and then circulating a geofluid (typically water) into it and bringing the heated geofluid to a power plant to generate electricity. This study
Mengying Li, Noam Lior
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Power supply characterization of baseload and flexible enhanced geothermal systems [PDF]
Scientific ReportsWe investigated the techno-economic feasibility and power supply potential of enhanced geothermal systems (EGS) across the contiguous United States using a new subsurface temperature model and detailed simulations of EGS project life cycle.
Mohammad J. Aljubran, Roland N. Horne
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Enhanced geothermal systems (EGS) for UN sustainable development goals [PDF]
Discov Energy, 2022 Chandrasekharam D.
europepmc +2 more sources
International Journal of Thermofluids, 2023 The rising population along with a growing reliance on modern technology has increased energy demand. Energy sources must be used with caution as the focus on developing a sustainable environment grows.
Tasnuva Sharmin +3 more
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Energies, 2022 Rising fuel prices, changes in energy markets, and concern for the environment make it necessary to develop new solutions and technologies. The development of new technologies brings with it the need to take risks associated with unpredictable ...
Anna Sowiżdżał +2 more
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Energies, 2022 Projects that feature unconventional geothermal systems are complex and come at great investment risk and high project cost. The purpose of this work is to present a method for modelling an enhanced geothermal system (EGS) that utilizes a horizontal well-
Damian Janiga +2 more
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Research status and development trend of key technologies for enhanced geothermal systems
Natural Gas Industry B, 2023 Enhanced geothermal system (EGS) is a primary method to develop geothermal resources stored in hot dry rock (HDR), but it faces several key problems, such as unreasonable hydraulic fracture networks at high reservoir temperature, unclear multi-scale and ...
Liang Gong +6 more
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