Results 171 to 180 of about 960 (207)
Renewable Energy, 2013 International audienceThis study presents an analysis of the environmental performances of Enhanced Geothermal Systems (EGS) located in central Europe based on life cycle assessment (LCA) of ten significant design options.
Martino Lacirignola, Isabelle Blanc
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From hot rock to useful energy: A global estimate of enhanced geothermal systems potential [PDF]
Applied Energy, 2020 This study demonstrates the theoretical, technical, optimal economic and sustainable potential of enhanced geothermal systems (EGS) globally. A global estimate of EGS is presented in a 1°×1° spatial resolution.
Arman Aghahosseini, Christian Breyer
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Deep Learning Based Production Prediction for an Enhanced Geothermal System (EGS)
SPE Canadian Energy Technology Conference and Exhibition, 2023Abstract Hot dry rock (HDR) is a low-carbon geothermal resource and can be an alternative to fossil fuels. The prediction of sequential production is essential for operating a sustainable geothermal system, but its prediction using the numerical simulation method is time-consuming. Deep learning provides an alternative way for this task.
Zhenqian Xue, Zhangxin Chen
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Applied Thermal Engineering, 2019
Abstract 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 affects the development pattern, can complicate the hydraulic fractures.
Tiankui Guo +5 more
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Abstract 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 affects the development pattern, can complicate the hydraulic fractures.
Tiankui Guo +5 more
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Key Design Parameters for Enhanced Geothermal System (EGS)
58th U.S. Rock Mechanics/Geomechanics SymposiumABSTRACT: Enhanced Geothermal Systems (EGS) offer significant potential for clean energy extraction from hot rock formations. However, maintaining high flow circulation, maximizing heat extraction, and minimizing thermal losses remain major challenges.
Abdesselem Dehdouh +6 more
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Pairing Integrated Gasification and Enhanced Geothermal Systems (EGS) in Semiarid Environments
Energy & Fuels, 2012We explore the feasibility of combining the circulation of supercritical CO2 in EGS reservoirs with integrated gasification combined cycle (IGCC) power generation. The symbiotic benefits of this pairing increase net power output over the use of either system in isolation, reduces water use per MWe, and substantially reduces fugitive emissions over ...
Divya Chandra +9 more
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Stabilization of Forced Heat Convection: Applications to Enhanced Geothermal Systems (EGS)
Transport in Porous Media, 2016The natural permeability of geothermal reservoirs is low and needs to be enhanced to ensure an efficient use and economic viability. Next to chemical enhancement, the main technique used for that purpose is hydraulic fracturing. Here, hydraulic fracturing is introduced in a thermo-poroelastic framework.
Abuaisha, Murad S., Loret, Benjamin
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Enhanced Geothermal Systems (EGS): Hydraulic fracturing in a thermo-poroelastic framework
Journal of Petroleum Science and Engineering, 2016Abstract The natural permeability of geothermal reservoirs is typically low and therefore needs to be enhanced to enable efficient use and economic viability. Hydraulic Fracturing (HF) methods, often referred to as hydraulic stimulation, are one of the primary methods used for permeability enhancement.
Abuaisha, Murad S. +2 more
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Design and optimization of a downhole coaxial heat exchanger for an enhanced geothermal system (EGS)
Renewable Energy, 2013Abstract The present study considers the design, performance analysis and optimization of a downhole coaxial heat exchanger for an enhanced geothermal system (EGS). The optimum mass flow rate of the geothermal fluid for minimum pumping power and maximum extracted heat energy was determined.
Yekoladio, Peni Junior +2 more
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Thermal Stability of Aqueous Foams for Potential Application in Enhanced Geothermal Systems (EGS)
2022Traditionally geothermal energy utilizes naturally occurring steam or hot water trapped in permeable rock formations through naturally occurring extraction wells or by implementing the hydraulic fracturing process by fracturing rock formations with water-based fracturing fluids.
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