Bridging the Gap – a Structural 3D-Model of Southern Lower Saxony with Regard to Geothermal Potentials

Alena Sophie Broge^1,3, Bernd Leiss¹, Jonas Kley¹, Inga Moeck^1,2

1: Geowissenschaftliches Zentrum (GZG), Georg-August Universität Göttingen; 2: Leibniz Institute for Applied Geophysics (LIAG); 3: Stadtwerke Göttingen AG, Deutschland

Investigation of Geothermal Resources in the Adamawa Region: origins of thermal waters and applications

Ange Merveille Meguedong Guedia¹, Dieudonné Bisso¹, Djamil Al-Halbouni²

1: University of Yaoundé 1; 2: University of Leipzig

How Grain Size and Quartz Shape Permeability Evolution: Insights from Injection-Induced Slip in Rough Fractures of Crystalline Rocks

Alireza Kalantar^1,2, Hannes Hofmann^1,2, Lei Wang¹, Guido Blöcher^1,2, Fiorenza Deon¹, Arno Zang^1,3

1: GFZ Helmholtz Centre for Geosciences, Germany; 2: Institute of Applied Geosciences, Technical University of Berlin, Germany; 3: Institute of Geosciences, University of Potsdam, Germany

Frictional strength improvement of fractures in granitic geothermal reservoirs by chelating agent–driven selective mineral dissolution

Lena Muhl^1,2,3, Eko Pramudyo², Luis Salalá^2,4, Jiajie Wang², Guido Blöcher^1,5, Ingo Sass^1,3, Noriaki Watanabe²

1: Helmholtz Centre Potsdam GFZ German Research Centre for Geosciences, Deutschland; 2: Department of Environmental Studies for Advanced Society, Graduate School of Environmental Studies, Tohoku University, Sendai 980-8579, Japan; 3: Department of Geothermal Science and Technology, Institute of Applied Geosciences, Technical University of Darmstadt, Schnittspahnstraße 9, 64287 Darmstadt, Germany; 4: Department of Mechanical Engineering, Faculty of Engineering and Architecture, University of El Salvador, San Salvador, El Salvador; 5: Department of Engineering Geology, Technical University of Berlin, 10587 Berlin, Germany

Experimental and Numerical Investigation of Reactive Flow-Through Processes for Improving Sandstone Porosity and Permeability

Angel Ramirez¹, Karl Holler¹, Hung Pham¹, Ingo Sass^1,2

1: Geothermal Science and Technology, Institute of Applied Geosciences, Technische Universität Darmstadt, Schnittspahnstraße 9, 64287 Darmstadt, Germany; 2: Helmholtz Centre Potsdam – GFZ Helmholtz Centre for Geosciences, Section 4.8 – Geoenergy, Telegrafenberg, 14473 Potsdam, Germany

Probabilistic Structural Geological Modelling for Geothermal Exploration in Thurgau, Switzerland

Ezgi Satiroglu¹, Christin Bobe¹, Florian Wellmann^1,2

1: Computational Geoscience, Geothermics and Reservoir Geophysics (CG3), RWTH Aachen University, Germany; 2: Fraunhofer Research Institution for Energy Infrastructures and Geotechnologies (IEG), Aachen, Germany

Experimental studies on fluid–granite interaction for chemical stimulation in Enhanced Geothermal Systems (EGS)

Gina Rüdiger¹, Juliane Kummerow², Timm John¹

1: Freie Universität Berlin, Berlin, Germany; 2: GFZ Helmholtz Centre for Geosciences, Potsdam, Germany

Numerical Investigation of Brine–Rock Interactions in Middle Buntsandstein’s Fractures and Matrix Through Coupled THC Modeling

Mohamed Abdelmoula¹, Ernesto Meneses Rioseco^1,2, Inga Moeck^1,2

1: Georg-August-Universität Göttingen, Germany; 2: LIAG-Institute for Applied Geophysics, Germany

Thermo-Hydraulic Modeling of the Northern Upper Rhine Graben using OpenGeoSys

Fransiskus Litani Santoso¹, Leandra Weydt¹, Haibing Shao², Hung Pham¹, Ingo Sass^1,3

1: Department of Geothermal Science and Technology, Institute of Applied Geosciences, Technical University of Darmstadt, Germany; 2: Department of Environmental Informatics, Helmholtz-Centre for Environmental Research – UFZ, Leipzig, Germany; 3: Section 4.3 Geoenergy, GFZ Helmholtz Centre for Geosciences, Potsdam, Germany

Evaluierung und Vergleich von PHREEQC-Datenbanken zur Erstellung einer optimierten Version für Geothermiekraftwerke

Michael Trumpp, Lars Ystroem, Thomas Kohl, Fabian Nitschke

Karlsruher Institut für Technologie, Deutschland

Reclaiming Abandoned Mines for Geothermal Use: Geotechnical and Energy Perspectives from Post-Mining Infrastructure

Marah Ali Dieb

RWTH Aachen, Germany

Saisonale Wärmespeicherung in kalten Nahwärmenetzen - Techno-ökonomische Analyse ausgewählter Umweltenergiequellen zur Regeneration eines Niedertemperatur-Aquiferspeichers

Luise Westphal

eZeit Ingenieure, Deutschland

Assessment of common hypotheses adopted in borehole sizing for Ground-Source Heat Pump (GSHP) systems

Fabien Bez^1,2, Emad Jahangir¹, Ahmed Rouabhi¹, Cong Toan Tran²

1: Centre Géosciences Mines Paris, France; 2: Centre Efficacité énergétique des Systèmes

Experimentelle Untersuchungen zum Einfluss von Ausfällungsprozessen auf die thermischen Eigenschaften von Bettungsmaterialien

Helen Krauß¹, Markus Schedel¹, Ingo Sass²

1: Technische Universität Darmstadt - Angewandte Geothermie; 2: GFZ Helmholtz-Zentrum für Geoforschung - Sektion 4.3 Geoenergie

Weiterentwicklung und Verifizierung eines Energie- und Leistungsbilanzverfahrens für Erdwärmekollektoren

Sebastian Braun, Adinda Van de Ven, Fabian Neth, Roland Koenigsdorff

Hochschule Biberach, Deutschland

Co-Simulation eines Fernwärme- und -kältenetzes in Kombination mit einem Mine Thermal Energy Storage (MTES) System: Eine Fallstudie in Deutschland.

Till Spengler, Willem Hagemann, Stefan Klein

Fraunhofer IEG, Deutschland

Preparation of the Abaya Project for Geothermal Sustainability Assessment Protocol (GSAP) in Ethiopia

Muhammed Adem¹, Málfríður Ómarsdóttir²

1: Ben-Gurion University of the Negev, Israel; 2: GRÓ Geothermal Training Programme under the auspices of UNESCO, Iceland