Search Results - "Geothermal energy (Heidelberg)"

A systematic review of enhanced (or engineered) geothermal systems: past, present and future by Breede, Katrin, Dzebisashvili, Khatia, Liu, Xiaolei, Falcone, Gioia

“…Enhanced (or engineered) geothermal systems (EGS) have evolved from the hot dry rock concept, implemented for the first time at Fenton Hill in 1977. This paper…”
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Utilizing supercritical geothermal systems: a review of past ventures and ongoing research activities by Reinsch, Thomas, Dobson, Patrick, Asanuma, Hiroshi, Huenges, Ernst, Poletto, Flavio, Sanjuan, Bernard

“…Supercritical geothermal systems are very high-temperature geothermal systems that are located at depths near or below the brittle–ductile transition zone in…”
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The potential of coupled carbon storage and geothermal extraction in a CO2-enhanced geothermal system: a review by Wu, Yu, Li, Pan

“…The increasing demand for energy makes it difficult to replace fossil fuels with low-carbon energy sources in the short term, and the large amount of CO 2…”
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Numerical investigation on the performance, sustainability, and efficiency of the deep borehole heat exchanger system for building heating by Chen, Chaofan, Shao, Haibing, Naumov, Dmitri, Kong, Yanlong, Tu, Kun, Kolditz, Olaf

“…In densely inhabited urban areas, deep borehole heat exchangers (DBHE) have been proposed to be integrated with the heat pump in order to utilize geothermal…”
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Cyclic soft stimulation (CSS): a new fluid injection protocol and traffic light system to mitigate seismic risks of hydraulic stimulation treatments by Hofmann, Hannes, Zimmermann, Günter, Zang, Arno, Min, Ki-Bok

“…Hydraulic stimulation treatments are standard techniques to access geologic resources which cannot economically be exploited with conventional methods. Fluid…”
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Porosity–permeability relationship derived from Upper Jurassic carbonate rock cores to assess the regional hydraulic matrix properties of the Malm reservoir in the South German Molasse Basin by Bohnsack, D., Potten, M., Pfrang, D., Wolpert, P., Zosseder, K.

“…For the successful realization and productivity prediction of new hydrothermal projects in the South German Molasse Basin, the hydraulic matrix properties of…”
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Optimization of the utilization of deep borehole heat exchangers by Pan, Sheng, Kong, Yanlong, Chen, Chaofan, Pang, Zhonghe, Wang, Jiyang

“…Deep-borehole heat exchangers (DBHE) are generally coaxial pipes installed in deep boreholes and has become an alternative approach to utilize geothermal…”
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Density of pure and mixed NaCl and CaCl2 aqueous solutions at 293 K to 353 K and 0.1 MPa: an integrated comparison of analytical and numerical data by Hoffert, Ulrike, André, Laurent, Blöcher, Guido, Guignot, Sylvain, Lassin, Arnault, Milsch, Harald, Sass, Ingo

“…This study reports on newly acquired density data of synthetically prepared pure and mixed NaCl and CaCl 2 aqueous solutions that span a wide range of…”
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Geothermal renewable energy prospects of the African continent using GIS by Elbarbary, Samah, Abdel Zaher, Mohamed, Saibi, Hakim, Fowler, Abdel-Rahman, Saibi, Kamal

“…Geothermal energy potential is identified through the deep investigation of geological, geothermal, and geophysical information over a small area; however,…”
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Study on the evolution of mechanical properties of hot dry rocks after supercritical CO2 injection by Li, Pan, Zhang, Hongxue, Wu, Yu

“…Characterizing the evolution of mechanical properties of hot dry rock (HDR) after supercritical CO 2 (CO 2 (sc)) injection is crucial for assessing the heat…”
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Exploratory analysis of machine learning methods in predicting subsurface temperature and geothermal gradient of Northeastern United States by Shahdi, Arya, Lee, Seho, Karpatne, Anuj, Nojabaei, Bahareh

“…Geothermal scientists have used bottom-hole temperature data from extensive oil and gas well datasets to generate heat flow and temperature-at-depth maps to…”
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A fracture flow permeability and stress dependency simulation applied to multi-reservoirs, multi-production scenarios analysis by Lepillier, Baptiste, Daniilidis, Alexandros, Doonechaly Gholizadeh, Nima, Bruna, Pierre-Olivier, Kummerow, Juliane, Bruhn, David

“…The use of the subsurface and the exploitation of subsurface resources require prior knowledge of fluid flow through fracture networks. For nuclear waste…”
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Modelling an unconventional closed-loop deep borehole heat exchanger (DBHE): sensitivity analysis on the Newberry volcanic setting by Doran, Hannah R., Renaud, Theo, Falcone, Gioia, Pan, Lehua, Verdin, Patrick G.

“…Alternative (unconventional) deep geothermal designs are needed to provide a secure and efficient geothermal energy supply. An in-depth sensitivity analysis…”
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Techno-economic and environmental analysis of an Aquifer Thermal Energy Storage (ATES) in Germany by Schüppler, Simon, Fleuchaus, Paul, Blum, Philipp

“…The objective of the present study is to analyse the economic and environmental performance of ATES for a new building complex of the municipal hospital in…”
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Stress sensitivity of porosity and permeability under varying hydrostatic stress conditions for different carbonate rock types of the geothermal Malm reservoir in Southern Germany by Bohnsack, Daniel, Potten, Martin, Freitag, Simon, Einsiedl, Florian, Zosseder, Kai

“…In geothermal reservoir systems, changes in pore pressure due to production (depletion), injection or temperature changes result in a displacement of the…”
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Modelling of flow through naturally fractured geothermal reservoirs, Taupō Volcanic Zone, New Zealand by Kissling, Warwick M., Massiot, Cécile

“…Background Numerous fractures are observed in fractured geothermal reservoirs on borehole images in the Taupō Volcanic Zone (TVZ), Aotearoa New Zealand. These…”
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Assessment of deep geothermal research and development in the Upper Rhine Graben by Frey, Matthis, Bär, Kristian, Stober, Ingrid, Reinecker, John, van der Vaart, Jeroen, Sass, Ingo

“…Deep geothermal energy represents a key element of future renewable energy production due to its base load capability and the almost inexhaustible resource…”
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Microstructural and petrophysical properties of the Permo-Triassic sandstones (Buntsandstein) from the Soultz-sous-Forêts geothermal site (France) by Heap, Michael J., Kushnir, Alexandra R. L., Gilg, H. Albert, Wadsworth, Fabian B., Reuschlé, Thierry, Baud, Patrick

“…Geothermal projects in the Upper Rhine Graben aim to harness thermal anomalies that have arisen due to hydrothermal circulation within the granitic basement…”
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Sustainable operation of geothermal power plants: why economics matters by Hackstein, Fynn V., Madlener, Reinhard

“…This paper, based on a novel hybrid techno-economic model for geothermal power plants with endogenized plant lifetime, investigates the economic feasibility of…”
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Evolution of worldwide geothermal power 2020–2023 by Gutiérrez-Negrín, Luis C. A.

“…Only 32 countries in the world have geothermal power plants in operation, with a combined capacity of 16,318 MW installed in 198 geothermal fields with 673…”
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