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Hydro-Thermal Modeling for Geothermal Energy Extraction from Soultz-sous-Forêts, France

Mahmoodpour, Saeed ; Singh, Mrityunjay ; Turan, Aysegul ; Bär, Kristian ; Sass, Ingo (2022)
Hydro-Thermal Modeling for Geothermal Energy Extraction from Soultz-sous-Forêts, France.
In: Geosciences, 2022, 11 (11)
doi: 10.26083/tuprints-00020798
Artikel, Zweitveröffentlichung, Verlagsversion

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Kurzbeschreibung (Abstract)

The deep geothermal energy project at Soultz-sous-Forêts is located in the Upper Rhine Graben, France. As part of the Multidisciplinary and multi-contact demonstration of EGS exploration and Exploitation Techniques and potentials (MEET) project, this study aimed to evaluate the possibility of extracting higher amounts of energy from the existing industrial infrastructure. To achieve this objective, the effect of reinjecting fluid at lower temperature than the current fluid injection temperature of 70 °C was modeled and the drop in the production wellhead temperature for 100 years of operation was quantified. Two injection-production rate scenarios were considered and compared for their effect on overall production wellhead temperature. For each scenario, reinjection temperatures of 40, 50, and 60 °C were chosen and compared with the 70 °C injection case. For the lower production rate scenario, the results show that the production wellhead temperature is approximately 1–1.5 °C higher than for the higher production rate scenario after 100 years of operation. In conclusion, no significant thermal breakthrough was observed with the applied flow rates and lowered injection temperatures even after 100 years of operation.

Typ des Eintrags: Artikel
Erschienen: 2022
Autor(en): Mahmoodpour, Saeed ; Singh, Mrityunjay ; Turan, Aysegul ; Bär, Kristian ; Sass, Ingo
Art des Eintrags: Zweitveröffentlichung
Titel: Hydro-Thermal Modeling for Geothermal Energy Extraction from Soultz-sous-Forêts, France
Sprache: Englisch
Publikationsjahr: 2022
Publikationsdatum der Erstveröffentlichung: 2022
Verlag: MDPI
Titel der Zeitschrift, Zeitung oder Schriftenreihe: Geosciences
Jahrgang/Volume einer Zeitschrift: 11
(Heft-)Nummer: 11
Kollation: 19 Seiten
DOI: 10.26083/tuprints-00020798
URL / URN: https://tuprints.ulb.tu-darmstadt.de/20798
Zugehörige Links:
Herkunft: Zweitveröffentlichung aus gefördertem Golden Open Access
Kurzbeschreibung (Abstract):

The deep geothermal energy project at Soultz-sous-Forêts is located in the Upper Rhine Graben, France. As part of the Multidisciplinary and multi-contact demonstration of EGS exploration and Exploitation Techniques and potentials (MEET) project, this study aimed to evaluate the possibility of extracting higher amounts of energy from the existing industrial infrastructure. To achieve this objective, the effect of reinjecting fluid at lower temperature than the current fluid injection temperature of 70 °C was modeled and the drop in the production wellhead temperature for 100 years of operation was quantified. Two injection-production rate scenarios were considered and compared for their effect on overall production wellhead temperature. For each scenario, reinjection temperatures of 40, 50, and 60 °C were chosen and compared with the 70 °C injection case. For the lower production rate scenario, the results show that the production wellhead temperature is approximately 1–1.5 °C higher than for the higher production rate scenario after 100 years of operation. In conclusion, no significant thermal breakthrough was observed with the applied flow rates and lowered injection temperatures even after 100 years of operation.

Status: Verlagsversion
URN: urn:nbn:de:tuda-tuprints-207987
Zusätzliche Informationen:

Keywords: Soultz-sous-Forêts; EGS; hydro-thermal modeling

Sachgruppe der Dewey Dezimalklassifikatin (DDC): 500 Naturwissenschaften und Mathematik > 550 Geowissenschaften
Fachbereich(e)/-gebiet(e): 11 Fachbereich Material- und Geowissenschaften
11 Fachbereich Material- und Geowissenschaften > Geowissenschaften
11 Fachbereich Material- und Geowissenschaften > Geowissenschaften > Fachgebiet Angewandte Geothermie
Hinterlegungsdatum: 04 Apr 2022 12:23
Letzte Änderung: 05 Apr 2022 06:23
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