Journal ArticleDOI
Geothermal reservoir modeling in a coupled thermo-hydro-mechanical-chemical approach: A review
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TLDR
A comprehensive review of state-of-the-art geothermal reservoir modeling for heat extraction is presented in this article, where a critical review of individual evaluation of coupling among all possible processes that are thermo, hydro, mechanical, and chemical processes on heat extraction performance is presented.About:
This article is published in Earth-Science Reviews.The article was published on 2018-10-01. It has received 100 citations till now. The article focuses on the topics: Geothermal energy & Geothermal gradient.read more
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Evaluation of geothermal energy extraction in Enhanced Geothermal System (EGS) with multiple fracturing horizontal wells (MFHW)
TL;DR: In this article, a 3D thermal-hydraulic coupled numerical model is proposed to describe the interaction of fluid flow and heat transfer, and the effect of multiple hydraulic fractures on geothermal energy extraction performance.
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Understanding injection-induced seismicity in enhanced geothermal systems: From the coupled thermo-hydro-mechanical-chemical process to anthropogenic earthquake prediction
TL;DR: In this paper, the authors identify the recent advances in understanding and modelling of coupled thermo-hydro-mechanical-chemical (THMC) processes in enhanced geothermal systems (EGS), and apply the THMC processes for improving our ability to predict the occurrence of the anthropogenic earthquakes.
Journal ArticleDOI
Effect of surface morphology on fluid flow in rough fractures: A review
Yao Zhang,Junrui Chai +1 more
TL;DR: In this article, a comprehensive review of the important effects of surface morphology on fluid flow is provided, which can uncover underlying flow mechanisms inside fractures and advance our understanding of the fracture flow.
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Performance of low-enthalpy geothermal systems: Interplay of spatially correlated heterogeneity and well-doublet spacings
TL;DR: In this paper, the influence of well and doublet spacings on performance metrics of low-enthalpy geothermal systems is investigated using 2600 computationally intensive numerical simulations of two doublets placed in a checkboard pattern, and the best practice was found to place the doublets in the same spacings as of the wells.
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Coupled thermo-hydro-mechanical modeling on well pairs in heterogeneous porous geothermal reservoirs
TL;DR: In this paper, a fully coupled modeling of reservoir deformation, fluid flow, and heat transport was performed on each realization using the finite element method, and the results showed that heterogeneity induced channeling appears in the geothermal reservoirs with increasing heterogeneity of permeability, through which the injected production can quickly reach the production well.
References
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Journal ArticleDOI
Fundamentals of rock joint deformation
TL;DR: In this article, the deformation characteristics of rock joints under normal and shear loading were investigated by conducting loading/unloading and repeated load cycling tests on a wide variety of fresh and weathered joints in five different rock types.
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Direct utilization of geothermal energy 2015 worldwide review
John W. Lund,Tonya L. Boyd +1 more
TL;DR: In this article, the authors reviewed the worldwide application of geothermal energy for direct utilization and compared data from 1995 and 2000 presented at two World Geothermal Congresses in Italy and Japan (WGC95 and WGC2000).
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A modeling approach for analysis of coupled multiphase fluid flow, heat transfer, and deformation in fractured porous rock
TL;DR: In this article, two computer codes, TOUGH2 and FLAC3D, are linked and jointly executed for coupled thermal-hydrologic-mechanical (THM) analysis of multiphase fluid flow, heat transfer, and deformation in fractured and porous rock.
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Ground-source heat pumps systems and applications
TL;DR: A detailed literature-based review of ground-source heat pump technology, concentrating on loops, ground systems, and looks more briefly at applications and costs and benefits is provided in this paper. But, despite potential environmental problems, geothermal heat pumps pose little if any serious environmental risk when best management practices are applied during the installation, operation, and decommissioning of these systems.
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Geothermal power generation in the world 2010–2014 update report
TL;DR: In this article, the major activities carried out for geothermal electricity generation since WGC2010 are analyzed, taking into account WGC2015 country update reports, private communications from IGA members and affiliated organizations, and we would like to acknowledge all IGA friends for their valuable help.