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Book
Enhanced Geothermal Systems and other Deep Geothermal Applications throughout Europe: The MEET Project
Authors: --- --- --- --- --- et al.
ISBN: 303656053X 3036560548 Year: 2022 Publisher: Basel MDPI - Multidisciplinary Digital Publishing Institute

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Abstract

The MEET Special Issue aims at showing the gains in geothermal energy that can be achieved using a variety of techniques, depending on the geological setting of the underground. Among the list of exploitation concepts, enhanced geothermal systems (EGS) are particularly interesting, as their application is much less dependent of the underground setting, allowing, in turn, a large geographical deployment and market penetration in Europe. The challenges of EGS are multiple in terms of investment costs, the testing of novel reservoir exploitation approaches with an inherent risk of induced seismicity, and the presence of aggressive geothermal brines, damaging infrastructures. The conversion of oil wells or coproduction of heat or electricity together with oil is also addressed. This Special Issue summarizes the output of the H2020 MEET project based on laboratory experiments, geological field works on high-quality analogues, advanced reservoir modeling, the development of a decision-maker tool for investors and specific demonstration activities, such as chemical stimulation or the innovative monitoring of deep geothermal wells, and the production of electrical power via small-scale binary technology tested in various geological contexts in Europe.

Keywords

Research & information: general --- Soultz-Sous-Forêts --- geothermal site --- heat exchanger --- scales --- sulfates --- sulfides --- As and Sb-bearing galena --- crystal growth --- crystal shapes --- fracture network --- Death Valley --- Noble Hills --- power law distribution --- multiscale analysis --- geothermal reservoir characterization --- Noble Hills granite --- Owlshead Mountains granite --- metamorphic grade --- fluid/rock interactions --- newly formed minerals --- element variations --- geothermal reservoir --- deep geothermal energy --- EGS --- Variscan fold-and-thrust belt --- district heating and cooling --- economic indicators --- CO2 abatement cost --- sensitivity analysis --- fracturing processes --- fluid circulation --- granite alteration --- low to moderate regional strain --- blind geothermal system --- compositional anomalies --- hierarchical clustering --- self-organizing maps --- unconventional reservoirs --- geothermal --- OVSP --- well seismic data --- fault --- fracture --- geothermal derisking --- FWI --- numerical modelling --- inversion --- imaging --- permeability --- fluid–rock interactions --- slate --- temperature --- time-dependent --- pressure solution --- dissolution --- Soultz-sous-Forêts --- hydro-thermal modeling --- conversion --- clustering --- upscaling --- heat --- electricity --- scenarios --- LCOE --- LCOH --- NPV --- CO2 emissions --- Upper Rhine Graben --- geothermal brine --- scaling --- metal sulfides --- thermodynamic --- kinetics --- oil --- corrosion --- geology --- stress --- fluid pressure --- Mohr diagrams --- fracturing --- greywackes --- slates --- deep geothermal reservoir --- structural model --- thermo-hydraulic simulations --- MEET H2020 project --- fracture network variability --- granite --- spacing distribution --- fracture intensity P10 --- well placement --- CO2-EGS --- water-EGS --- discrete fracture networks --- THM modeling --- enhanced geothermal systems (EGS) --- fractured granite --- core flooding experiments --- autoclave experiments --- Cornubian Batholith --- Enhanced Geothermal Systems (EGS) --- Variscan rocks --- quartzite --- claystone --- graywacke --- gouge --- fracture transmissivity --- effective stress --- United Downs --- hydraulic stimulation --- equivalent permeability field --- exposed analogue --- enhanced geothermal system --- fractures --- n/a --- Soultz-Sous-Forêts --- fluid-rock interactions --- Soultz-sous-Forêts --- Iwantja / Indulkana / Granite Downs (SA Central Australia SG53-09)


Book
Selected Papers from MEDPOWER 2018-the 11th Mediterranean Conference on Power Generation, Transmission, Distribution and Energy Conversion
Authors: --- ---
Year: 2021 Publisher: Basel, Switzerland MDPI - Multidisciplinary Digital Publishing Institute

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Abstract

This Special Issue presents extended versions of selected top papers of the Mediterranean Conference on Power Generation, Transmission, Distribution and Energy Conversion (MEDPOWER), held in Dubrovnik in 2018. The 11th Mediterranean Conference on Power Generation, Transmission, Distribution and Energy Conversion (MEDPOWER 2018) was held in Cavtat, Dubrobnik, Croatia, from 12 to 15 November 2018. The conference gathered more than 200 scientists, researchers, and experts from all around the world. A total of 147 oral presentations were held during the conference, with an additional 50 papers presented in special sessions. The top 10 papers have been selected for this Special Issue in Energies, covering a variety of topics from end-user challenges, distribution and transmission network operation and planning, to generation planning and modeling.


Book
Selected Papers from MEDPOWER 2018-the 11th Mediterranean Conference on Power Generation, Transmission, Distribution and Energy Conversion
Authors: --- ---
Year: 2021 Publisher: Basel, Switzerland MDPI - Multidisciplinary Digital Publishing Institute

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Abstract

This Special Issue presents extended versions of selected top papers of the Mediterranean Conference on Power Generation, Transmission, Distribution and Energy Conversion (MEDPOWER), held in Dubrovnik in 2018. The 11th Mediterranean Conference on Power Generation, Transmission, Distribution and Energy Conversion (MEDPOWER 2018) was held in Cavtat, Dubrobnik, Croatia, from 12 to 15 November 2018. The conference gathered more than 200 scientists, researchers, and experts from all around the world. A total of 147 oral presentations were held during the conference, with an additional 50 papers presented in special sessions. The top 10 papers have been selected for this Special Issue in Energies, covering a variety of topics from end-user challenges, distribution and transmission network operation and planning, to generation planning and modeling.


Book
Mathematical Modeling of Fluid Flow and Heat Transfer in Petroleum Industries and Geothermal Applications
Author:
ISBN: 3039287214 3039287206 Year: 2020 Publisher: MDPI - Multidisciplinary Digital Publishing Institute

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Abstract

Geothermal energy is the thermal energy generated and stored in the Earth's core, mantle, and crust. Geothermal technologies are used to generate electricity and to heat and cool buildings. To develop accurate models for heat and mass transfer applications involving fluid flow in geothermal applications or reservoir engineering and petroleum industries, a basic knowledge of the rheological and transport properties of the materials involved (drilling fluid, rock properties, etc.)—especially in high-temperature and high-pressure environments—are needed. This Special Issue considers all aspects of fluid flow and heat transfer in geothermal applications, including the ground heat exchanger, conduction and convection in porous media. The emphasis here is on mathematical and computational aspects of fluid flow in conventional and unconventional reservoirs, geothermal engineering, fluid flow, and heat transfer in drilling engineering and enhanced oil recovery (hydraulic fracturing, CO2 injection, etc.) applications.

Keywords

karst carbonate reservoir --- fracture compressibility --- enhanced gas recovery --- cost of electricity (COE) --- microstructure --- permeability --- CO2 permeability --- ammonia --- shale oil --- process simulation --- aquifer support --- spatiotemporal characteristics --- semi-analytical solution --- injection orientation --- CO2 diffusion --- wellbore temperature --- fluid front kinetics --- nest of tubes --- supercritical CO2 --- multiple parallel fractures --- multifractal theory --- real-scale --- techno-economic model --- fractal --- inter-well connectivity --- apparent permeability --- heat transfer --- porous media --- multiple structural units (MSU) --- coupled heat conduction and advection --- diffusion --- bottom-hole pressure --- tight reservoir --- ventilation --- surface diffusion --- unsteady process --- underground coal gasification (UCG) --- dynamic crack tip --- mercury intrusion porosimetry --- energy conservation analysis --- methanol --- comprehensive heat transfer model --- pressure fluctuations --- production optimization --- numerical simulation --- percolation model --- rheology --- drilling --- AE energy --- pipeline network --- natural gas --- huff-‘n-puff --- cement --- viscosity --- mathematical modeling --- enhanced geothermal systems --- cement slurries --- yield stress --- non-Newtonian fluids --- capacitance-resistance model --- thixotropy --- conductivity --- enhanced oil recovery --- leakage and overflow --- geothermal --- coal and rock fracture --- impact pressure --- computational fluid dynamics (CFD) --- GSHP (ground source heat pump) --- pore size distribution --- Knudsen diffusion --- hydraulic fracturing --- efficient simulation --- constitutive relations --- electricity generation --- fractal theory --- pore structure --- complex fracture network --- sloshing --- cost-effective --- slippage effect --- dynamic hydraulic-fracturing experiments --- critical porosity --- fracture uncertainty --- carbon capture and utilization (CCU) --- tube bundle model --- continuity/momentum and energy equations coupled --- main gas pipeline --- Coal excavation --- longitudinal dispersion coefficient --- computational fluid dynamic (CFD) --- flowback --- fracture simulation --- highly viscous fluids --- carbon capture and storage (CCS) --- energy dissipation --- economics --- particles model --- variable viscosity --- multi-pressure system --- frequency conversion technology (FCT) --- three-dimensional numerical simulation --- tight oil reservoirs --- multiphase flow --- methane removal --- Navier-Stokes equations

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