Lessons learned from reusing an abandoned hydrocarbon well as Enhanced Geothermal System (EGS): Fracture-dominated EGS development concept for Groß Schönebeck

Lingkan Finna Christi¹, Hannes Hofmann^1,2, Ingo Sass^1,3, Günter Zimmermann¹, Ben Norden¹, Guido Blöcher¹

1: Helmholtz Centre Potsdam GFZ German Research Centre for Geosciences, Telegrafenberg, 14473 Potsdam; 2: Technische Universität Berlin, Straße des 17. Juni 135, 10623 Berlin; 3: Technische Universität Darmstadt, Schnittspahnstraße 9, 64287 Darmstadt

The role of the in-situ stress field and fault geometry in the induced and triggered seismicity at the Vendenheim geothermal site near the city of Strasbourg (France)

Gergő Hutka^1,2, Hannes Hofmann^1,2, Arno Zang^1,3, Mauro Cacace¹, Guido Blöcher¹, Javier Abreu Torres⁴, Jean Schmittbuhl⁴

1: German Research Centre for Geosciences, Potsdam, Germany; 2: Technical University of Berlin, Berlin, Germany; 3: University of Potsdam, Potsdam, Germany; 4: Ecole et Observatoire des Sciences de la Terre, Strasbourg, France

Injection-induced slip and permeability evolution of different fracture types during laboratory shear-flow experiments in Granodiorite

Alireza Kalantar^1,2, Hannes Hofmann^1,2, Yinlin Ji¹, Lena Muhl^1,4, Fiorenza Deon¹, Arno Zang^1,3

1: GFZ German Research Centre for Geosciences, Germany; 2: Institute for Applied Geosciences, Technical University of Berlin, Germany; 3: Institute of Geosciences, University of Potsdam, Germany; 4: Institute of Applied Geosciences, Technical University of Darmstadt, Germany

Balancing fracture permeability and induced seismicity: towards feedback-controlled injection

Nadja Lindner^1,2, Hannes Hofmann^1,2, Mauro Cacace¹, Gergő András Hutka^1,2, Yinlin Ji¹, Ioannis Stefanou³

1: Helmholtz Centre Potsdam GFZ German Research Centre for Geosciences, Telegrafenberg, 14473 Potsdam, Germany; 2: Institute for Applied Geosciences, Technical University of Berlin, 10587 Berlin, Germany; 3: Nantes Université, Ecole Centrale Nantes, CNRS, GeM, UMR 6183, F-44000, Nantes, France

Micro logging tool for reservoir enhancement and improved geothermal well productivity

Robert Stockmann, Volker Wittig, Martin Meyer

Fraunhofer IEG, Deutschland

Assessment of the paleoclimatic impact on the geothermal field in Germany

Eskil Natanael Salis Gross, Maximilian Frick, Ben Norden, Sven Fuchs

Helmholtz-Zentrum Potsdam Deutsches GeoForschungsZentrum GFZ, Germany

Subsurface investigation using passive seismic imaging of urban ambient noise DAS recordings

Leila Ehsaninezhad^1,2, Christopher Wollin¹, Verónica Rodríguez Tribaldos¹, Charlotte Krawczyk^1,2

1: GFZ German Reseach Centre for Geosciences, Potsdam, Germany; 2: Institute for Applied Geosciences, TU Berlin, Berlin, Germany

Impact of Tectonic Evolution and Halokinesis on the Upper Maastrichtian Calcarenite Reservoir in the North German Basin

Michael Erb^1,2, Thorsten Agemar¹, Inga Moeck^1,2

1: LIAG-Institut für Angewandte Geophysik; 2: Georg-August Universität Göttingen

Geothermal target horizon characterisation for a medium-deep exploration well in the Leinetal Graben

Sibel Melisa Gürsoy¹, Alena Sophie Broge¹, Marco Fazio², Bernd Leiss¹, David Charles Peter Peacock¹, Tom Schintgen³, Inga Moeck^1,3

1: Georg-August-University Göttingen, Dept. Structural Geology and Geothermics, Goldschmidtstr. 3, 37077 Göttingen; 2: Georg-August University Göttingen, Dept. Applied Geology, Goldschmidtstr. 3, 37077 Göttingen; 3: Leibniz Institute for Applied Geophysics, Dept. Geothermics and Information Systems, Stilleweg 2, 30655 Hannover

Optimizing a muon sensor geometry for enhanced subsurface density mapping

Martin Schönfeld¹, Maximilian Sackel¹, Miriam Fritsch², Shahin Jamali¹, Thomas Reinsch¹

1: Fraunhofer IEG, Deutschland; 2: Ruhr-Universität Bochum, Deutschland

Monitoring of the low-enthalpy geothermal resource in southern San Juan province, Argentina

Maximiliano Andrés Espósito¹, Nahir Aguil Martínez¹, Sofía Beatriz Pérez Luján¹, Stefan Wohnlich²

1: Centro de Investigaciones de la Geósfera y Biósfera (CIGEOBIO) - Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET). Facultad de Ciencias Exactas, Físicas y Naturales. Universidad Nacional de San Juan (UNSJ). Av. Ignacio De La Roza 590, San Juan, Argentina; 2: Institut für Geologie, Mineralogie und Geophysik. Fakultät für Geowissenschaften. Ruhr-Universität Bochum (RUB). Universitätsstraße 150, Bochum, Germany

Sensing subsurface dynamics during the restart of injection and production in deep geothermal wells with Distributed Dynamic Strain Sensing (DDSS or DAS)

Johannes Hart^1,2, Christopher Wollin¹, Aurelio Andy³, Toni Ledig⁴, Thomas Reinsch⁵, Charlotte Krawczyk^1,2

1: GFZ German Research Centre for Geosciences, Telegrafenberg, D-14473 Potsdam, Germany; 2: Technical University Berlin, Institute for Applied Geosciences, Ernst-Reuter Platz 1, D-10587 Berlin, Germany; 3: Technical University Munich, Chair for Hydrogeology, Arcisstr. 21, D-80333 Munich, Germany; 4: Stadtwerke München GmbH, Renewable Energies, Emmy-Noether-Str. 2, D-80992 Munich, Germany; 5: Fraunhofer IEG, Am Hochschulcampus 1, D-44801 Bochum, Germany

Geochemical on-site characterization of cores at high temperature ATES drilling site using handheld XRF

Lioba Virchow, Ben Norden, Simona Regenspurg

Helmholtz Centre Potsdam, GFZ German Research Centre for Geosciences

Sustainability assessment of lithium-heat coproduction from a geothermal system in fractured crystalline rocks at United Downs, England

Samuele Frigo^1,2, Mando Guido Blöcher^1,2, Maria-Theresia Schafmeister³, Simona Regenspurg^1,4, Stefan Kranz¹, Alistair Salisbury⁵

1: Helmholtz Centre Potsdam, German Research Centre for Geosciences - GFZ Potsdam, Potsdam, Germany; 2: Technical University Berlin - TU Berlin, Berlin, Germany; 3: University of Greifswald, Greifswald, Germany; 4: Freie University Berlin - FU Berlin, Berlin, Germany; 5: Cornish Lithium Ltd., Tremough Innovation Centre, Penryn, England

Entwicklung eines Berechnungswerkzeugs zur ökonomischen Vorauslegung von Grubenwassergeothermieanlagen

Arno Friedrich Korn, Tom Ebel, Lukas Oppelt

TU Bergakademie Freiberg, Deutschland

Potentialanalyse für eine thermische Grubenwassernutzung in Barsinghausen, Niedersachsen

Jonas Enno Lehmann¹, Florian Hahn¹, Peter Goerke-Mallet²

1: Fraunhofer IEG, Deutschland; 2: Technische Hochschule Georg Agricola, Deutschand

Integration neuer Geothermiepilotbohrungen für den Neubau der „Universitätsmedizin Göttingen (UMG)“ in ein bestehendes geologisches 3D-Modell

Louis Hesselink, Ullrich Vath, Bernd Leiss, Alena Broge

Georg-August-Universität Göttingen, Deutschland

Groundwater flow effects on the thermal field in the North German Basin

Michael Tsypin^1,2, Mauro Cacace¹, Aparna Prasannakumar³, Magdalena Scheck-Wenderoth^1,4

1: GFZ German Research Centre for Geosciences; 2: Technische Universität Berlin; 3: University of Potsdam; 4: RWTH Aachen University

Ausbau nicht-fündiger Hydrothermal-Bohrungen zu koaxialen Tiefen Erdwärmesonden: Eine Machbarkeitsstudie am Beispiel der Bohrung LAVEY-1 in der Schweiz.

Dominik Schindler

Technische Universität München, Deutschland

Innovatives Anlagenkonzept zur Umweltwärmeversorgung der Groß-Wärmepumpe am Fraunhofer IEG in Bochum

Caspar Stott

Fraunhofer IEG, Deutschland

Web-basierte Potenzialanalyse für oberflächennahe Geothermie im Raum Berlin

Tim Kröger

TU-Berlin, Deutschland / GASAG Solution Plus

Dekonvolution von g-Funktionen aus Monitoringdaten eines Erdwärmesondenfelds und Vergleich mit modellbasierten g-Funktionen

Elisa Heim¹, Gabriel Dion², Philippe Pasquier², Norbert Klitzsch¹

1: Computational Geoscience, Geothermics and Reservoir Geophysics, RWTH Aachen University, Germany; 2: Department of Civil, Geological and Mining Engineering, Polytechnique Montréal, Canada

Integration of geothermal energy potential into a sustainable land use plan as part of the heat transition at the northern campus of the University of Göttingen

Ingela Becker-Grupe, Alena Broge, Bernd Leiss

Georg-August-University Göttingen, Deutschland

Optimierung, Leistungs- und Kostenanalyse einer geothermischen ORC-Anlage, gekoppelt mit verschiedenen flüssigkeitsgekühlten Niedertemperaturkondensatoren, im Norddeutschen Becken

Akhil Kovattu Murali^1,2

1: ROM technik, Deutschland; 2: Hochschule Bochum

Modeling the geomechanical effects of seasonal thermal energy storage in an abandoned coal mine at the test site "Kleinzeche IEG" in Bochum, Germany

Stefan Stürmer^1,2,3, Mathias Nehler¹, Kavan Khaledi¹, Rolf Bracke^1,2,3, Florian Amann^1,3

1: Fraunhofer IEG; 2: Ruhr-Universität Bochum; 3: RWTH Aachen

Co-Simulation of Geothermal Heat and Storage with District Heating Networks

Max Ohagen¹, Hung Pham¹, Xenia Kirschstein², Johann Karl Holler¹, Ingo Sass^1,3

1: Technische Universität Darmstadt, Institut für Angewandte Geowissenschaften, Fachgebiet Angewandte Geothermie; 2: Technische Universität Darmstadt, Institut für Statik und Konstruktion, Arbeitsgruppe Energy Efficient Construction; 3: Deutsches GeoForschungsZentrum GFZ Potsdam, Sektion 4.8 Geoenergie

Numerical Model Investigating Experimental Test Verifying the Potential of Geothermal Energy to Enhance Waste Oil in Recycling Glass

Kennedy Moeanga Anyona

KENYATTA UNIVERSITY, Kenya