Integrated geological and 2D electrical resistivity tomography for assessment of geothermal potential in Dilla area, Southern Ethiopian Main Rift

Getnet Assefa¹, Tariku Takele¹, Tariku Degife², Demise Tadessa¹, Amare Kassie³, Abebayehu Tadesse¹, Asaye Getenet⁴

1: Department of Geology, College of Natural and Computational Sciences, Dilla University, P.O. Box 419, Dilla, Ethiopia; 2: Department of Geology, College of Natural and Computational Sciences, Arba Minch University, P.O. Box 21, Arba Minch, Ethiopia; 3: Department of Geology, College of Natural and Computational Sciences, Debre Markos University, P.O. Box 269, Debre Markos, Ethiopia; 4: Department of Geology, College of Natural and Computational Sciences, Woldia University, P.O. Box 400, Woldia, Ethiopia

Ist mitteltiefe / tiefe Geothermie in Insel- und Küstengebieten der Nordsee realisierbar? - Fazit aus der Studie Norderney

Laureen Benoit, Michael Kettermann, Olga Knaub, Gregor Bussmann

Fraunhofer IEG, Fraunhofer-Einrichtung für Energieinfrastrukturen und Geotechnologien IEG

Daten sind der Schlüssel: wie Bohrungssteckbriefe zur Minimierung von Bohrrisiken beitragen können

Michael Drews¹, Julian Breitsameter¹, Indira Shatyrbayeva¹, Johannes Großmann²

1: Technische Universität München, Deutschland; 2: Bayerisches Landesamt für Umwelt, Deutschland

Neue Erkenntnisse aus der Seismik Niederrhein für die geothermische Exploration in Straelen

Michael Kettermann¹, Oliver Ritzmann¹, Florian Wellmann^1,2

1: Fraunhofer IEG, Deutschland; 2: CG3, RWTH Aachen University

Optimizing Geothermal Carbonate Reservoir Exploration by Integrating Forward Stratigraphic and Diagenetic Modelling with Machine Learning: The ProGRes Project

Sven Maerz¹, Gerd Winterleitner¹, Jan Niederau¹, Nadezda Meier¹, Guido Blöcher^2,4, Deyan Tian², Christian Siever-Wenzlaff³, Alexander Meeder³, David Bruhn^1,5

1: Fraunhofer IEG, Fraunhofer Research Institution for Energy Infrastructures and Geotechnologies, IEG; 2: GFZ Helmholtz Centre for Geosciences, Section 4.3: Geoenergy, Telegrafenberg, 14473, Potsdam, Germany; 3: GASAG Solution Plus; 4: Department of Engineering Geology, Technical University of Berlin, 10587 Berlin, Germany; 5: Faculty of Civil Engineerging and Geosciences, Delft University of Technology

Near-Surface Geophysical Investigations for Geothermal Exploration near Wörth am Rhein

Johannes Mair, Andreas Henk

TU Darmstadt, Deutschland

Uncertainty-Aware 3D Geological Modeling of the Osteifel Region using GemPy within the DEGREE Project

Atefeh Rahimi¹, Jan von Harten¹, Florian Wellmann^1,2

1: Computational Geoscience, Geohtermics and Reservoir Geophysics (CG3), RWTH Aachen University, 52074 Aachen, Germany; 2: Fraunhofer Research Institution for Energy Infrastructures and Geotechnologies (IEG), 52062 Aachen, Germany

The WärmeGut Project: Development and Integration of a Thermal Response Test (TRT) Database for Shallow Geothermal Applications

Mehrdad Sardar Abadi¹, Sven Rumohr², Holger Jensen³, Jens Gramenz³, Thorsten Agemar¹

1: LIAG Institute for Applied Geophysics, Hannover, Germany; 2: Hessisches Landesamt (HLNUG), Wiesbaden; 3: Landesamt für Bergbau, Energie und Geologie (LBEG), Hannover

AMPEDEK: Atlas geochemischer, petrophysikalischer und felsmechanischer Gesteinskennwerte des kristallinen Grundgebirges in Deutschland

Leandra Weydt¹, Ángel Ramírez¹, Ingo Sass^1,2

1: TU Darmstadt, Deutschland; 2: GFZ Potsdam

Prozess-basierte Modellierung von synsedimentären Störungen in Karbonaten

Gerd Winterleitner, Nadezda Meier, Sven Maerz, Jan Niederau, David Bruhn

Fraunhofer IEG, Fraunhofer-Einrichtung für Energieinfrastrukturen und Geotechnologien

Anwendung von Bohrtechnologien in Geothermiebohrungen in den letzten 15 Jahren - Drilling technology applications in Geothermal Wells during the last 15 years

Franck Kuinkeu Tchouta, Jose Campo-Redondo, Cristian Scanzoni

Kemco GmbH, Germany

From Planning to Real-Time: Digital Integration of Drilling Hydraulics Simulation into Real-Time Operations via Web-Based Tools

Wisam Sindi¹, Christoph Aublinger²

1: Sindi Digital Energy Technologies UG (haftungsbeschränkt), Germany; 2: Oilfield Data Engineering GmbH, Switzerland

Developments in Swellable Elastomeric Technologies for Isolation in Deep and Medium-Deep Geothermal Applications.

Phil Stone

Reactive Downhole Tools, United Kingdom

Bridging Geological Modeling and Process Simulation: Mesh Generation in the WBGeo Workbench

Marzieh Baes¹, Mauro Cacace¹, Jan von Harten², Alexander Lüpges³, Denise Degen^1,4, Jan Niederau⁵, Tobias Rolf⁵, Magdalena Scheck-Wenderoth^1,6, Florian Wellmann², Nora Koltzer⁵, Simon Virgo⁷, Bernhard Rumpe³

1: Helmholtz Centre Potsdam - GFZ German Research Centre for Geosciences; 2: Chair of Computational Geoscience, Geothermics and Reservoir Geophysics, RWTH Aachen University; 3: Software Engineering Department of Computer Science, RWTH Aachen University; 4: Institute of Applied Geosciences, TU Darmstadt; 5: Fraunhofer IEG, Fraunhofer Research Institution for Energy Infrastructures and Geotechnologies IEG; 6: Sediment Basins and Georesources, TU Berlin; 7: Terranigma Solutions GmbH

From Borehole to Bedrock: Unlocking Subsurface Insight for Shallow Geothermal Design with the power of AI

Christie Capper, Sebastian Weida

Deep Earth, Germany

The Role of Fracture Networks and Stochastic Modeling in Advancing Geothermal Research at GeoLaB

Ali Dashti, Jens Carsten Grimmer, Thomas Kohl

Karlsruhe Institute of Technology, Germany

Deep geothermal ground heat exchanger in salt structures - a contribution to the heat transition in northern Germany

Renee M. Dubberke¹, Kim G. Maver², Tom Trittin³, Reinhard Kirsch⁴, Sebastian Bauer¹

1: Institut für Geowissenschaften, Universität Kiel, Deutschland; 2: Green Therma, Dänemark; 3: Stadtwerke Flensburg, Deutschland; 4: GeoImpuls, Deutschland

Single-well push-pull design options for tracer tests at geothermal production holes: some caveats, and tracer slug sizing considerations

Julia Ghergut¹, Horst Behrens^1,2, Bettina Wiegand¹, Working Group GFK-Monitor^1,2

1: Georg-August-Universität Göttingen, Deutschland; 2: Projektconsortium GFK-Monitor (federführend: TU München)

Geothermie in einem Heilquellenschutzgebiet

Olga Knaub¹, Nora Koltzer¹, Michael Kettermann¹, Celestine Kumlehn²

1: Fraunhofer IEG, Deutschland; 2: Stadt Bad Oeynhausen

Thermo-hydro-mechanical simulation of heat extraction from geothermal systems using CO2-water two phase fluid

Saeed Mahmoodpour, Michael Drews

Technical University of Munich, Germany

3-D Geological Modeling from Legacy Seismic Data with Consideration of Uncertainties

Daniel Satizabal¹, Ítalo Gonçalves², Jan von Harten¹, David Nathan¹, Florian Wellmann^1,3

1: Chair of Computational Geoscience, Geothermics and Reservoir Geophysics, RWTH Aachen University, Aachen, 52074, Germany; 2: Geological Modeling Laboratory, Federal University of Pampa, Caçapava do Sul, RS, Brazil; 3: Fraunhofer Research Institution for Energy Infrastructures and Geothermal Systems (IEG), Bochum, 44801, Germany

THMC-coupled modelling of diagenetic evolution and geothermal reservoir simulation in the Muschelkalk Formation of the North German Basin.

Deyan Tian¹, Guido Blöcher^1,4, Ben Norden¹, Sven Maerz², Gerd Winterleitner², Jan Niederau², Meier Nadezda², Christian Siever-Wenzlaff³, Alexander Meeder³, David Bruhn^2,5

1: Helmholtz Center Potsdam GFZ German Research Center for Geosciences, Telegrafenberg, Potsdam, 14473, Brandenburg, Germany; 2: Fraunhofer IEG, Fraunhofer Research Institution for Energy Infrastructures and Geotechnologies, IEG, Gulbener Straße 23 03046 Cottbus, Germany; 3: GASAG Solution Plus GmbH (GSP) EUREF-Campus 23–24 10829 Berlin, Germany; 4: Technische Universität Berlin, Straße des 17. Juni 135, Berlin, 10623, Berlin, Germany; 5: Faculty of Civil Engineerging and Geosciences, Delft University of Technology

High-temperature aquifer thermal energy storage for flexible, low-carbon district heating: a numerical study from the German Molasse Basin

Kalliopi Tzoufka¹, Kevin Bock², Guido Blöcher^3,4, Laura Lehmann², Clemens Felsmann², Kai Zosseder¹

1: Technical University of Munich, Department of Civil and Environmental Engineering, Geothermal Energy Group, Munich, Germany; 2: Technical University of Dresden, Institute of Power Engineering, Chair of Building Energy Systems and Heat Supply, Dresden, Germany; 3: GFZ – Helmholtz Centre for Geosciences, Section 4.3 Geoenergy, Potsdam, Germany; 4: Technical University of Berlin, Department of Engineering Geology, Berlin, Germany

Echtzeitsimulation geochemischer Prozesse in geothermischen Kraftwerken

Lars Helge Yström¹, Michael Trumpp¹, Johannes Amtmann², Florian Eichinger³, Daniel Winter⁴, Joachim Koschikowski⁴, Fabian Nitschke¹

1: Karlsruher Institut für Technologie (KIT), Deutschland; 2: Geosaic GmbH, Österreich; 3: Hydroisotop GmbH, Deutschland; 4: Fraunhofer Institut für Solare Energiesysteme ISE, Deutschland

Distributed Fiber Optic Sensing from GeoLaB1 well: cementation and drilling monitoring

Jérôme Azzola, Emmanuel Gaucher

Karlsruhe Institute of Technology, Institute of Applied Geosciences, Geothermal Energy and Reservoir Technology

Relative Moment Tensor Analysis of the St1 Deep Heat Enhanced Geothermal System, Finland

Wasja Bloch¹, Volker Oye¹, Doriane Drolet², Michael Bostock², Alexandre Plourde³, Grzegorz Kwiatek⁴

1: NORSAR, Norway; 2: The University of British Columbia, Canada; 3: Natural Resources Canada, Canada; 4: Gesellschaft für Materialprüfung und Geophysik, Germany

Geothermal activities at the KTB deep crustal lab, Windischeschenbach, Germany

Carolin Böse, Jochem Kück, Said Kamrani, Günter Zimmermann, Georg Dresen, Marco Bohnhoff, Ingo Sass

GFZ Helmholtz Centre for Geosciences, Deutschland

Thermo-economic assessment of reversible high-temperature heat pumps / Organic Rankine Cycles for geothermal CHP plants

Florian Kaufmann, Arianna Passamonti, Hartmut Spliethoff, Christopher Schifflechner

Technical University of Munich

Innovative thermisch angetriebene Wärmepumpenverfahren zur Nutzung von Tiefengeothermie für die Prozesswärmeversorgung in der Industrie

Sven Klute, Marcus Budt

Fraunhofer Institut für Umwelt-, Sicherheits- und Energietechnik UMSICHT, Deutschland

Locating subsurface fibre optic cables using remote earthquakes: A prerequisite for monitoring induced seismicity with existing “dark” fibres

Fabian Limberger, Abolfazl Komeazi, Georg Rümpker

Institute of Geosciences, Goethe-University Frankfurt, Deutschland

Frictional properties of fault gouges in the Upper Rhine Graben: Implications for induced seismicity

Tesfay Kiros Mebrahtu¹, Michael Rudolf¹, André Niemeijer², Andreas Henk¹

1: Technische Universität Darmstadt, Institut für Angewandte Geowissenschaften, Darmstadt, Germany; 2: Department of Geoscience, Utrecht University, Utrecht, the Netherlands

Geothermie – und jetzt? Der Weg vom Reservoir zur Wärmeversorgung

Mitja Friesen

Logstor Deutschland GmbH, Deutschland

Alternative Rohr- und Verlegesysteme für den wirtschaftlichen Ausbau geothermiebasierter Wärmenetze

Markus Schedel¹, Hung Pham¹, Matthias Krusemark¹, Lukas Seib¹, Ingo Sass^1,2

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

Mine-based geothermal study in a burning coalfield of India

Anupal Jyoti Dutta¹, Debasis Deb², Sandeep D. Kulkarni³

1: Deysarkar Centre of Excellence in Petroleum Engineering,Indian Institute of Technology Kharagpur, India; 2: Department of Mining Engineering, Indian Institute of Technology Kharagpur, India; 3: Deysarkar Centre of Excellence in Petroleum Engineering, Indian Institute of Technology Kharagpur, India

Neue Wege in die Geothermie eröffnen

Oliver Buschor

separatus AG, Schweiz

Findings from the operation of a cold grid with multi-source regeneration of the borehole heat exchanger field

Xenia Kirschstein¹, Joscha Reber¹, Anna-Lena Fiedler², Clemens Hübler¹

1: Energy Efficient Construction, Institute of Structural Mechanics and Design, Technical University of Darmstadt; 2: Institute for Housing and Environment (IWU), Darmstadt, Germany

Supporting the rollout of 5GDHC networks in the Alpine Space region: Insights into the Interreg project ALPHA

Aaron Wesemann¹, Daiana Vacar², Mathieu Audollent², Gerhard Bayer³, Christopher Schifflechner¹

1: Technical University of Munich, Deutschland; 2: CCI Nice Côte d'Azur; 3: ÖGUT - Österreichische Gesellschaft für Umwelt und Technik

Ermittlung von Optimierungspotenzial bei TRT-Geräten durch das emulierte Erdwärmesonden-Bauwerk (E-EWS)

Hanne Karrer, Peter Osgyan, Leonie Schurr, Lars Staudacher

ZAE Bayern, Deutschland

Integrating Temperature and Part-Load Dependent COP in Shallow Geothermal Borefield Design

Wouter Peere

Enead BV, Belgium

Modellierung der Wärmeleitfähigkeitsverteilung im Untergrund als wichtiger Parameter für die Berechnung des Potenzials der Oberflächennahen Geothermie in Deutschland

Tom Schintgen¹, Thorsten Agemar¹, Muhammad Anees¹, Björn Holstein¹, Michael Dussel², Domenico Ravidà², Inga Moeck^1,2

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

Wärmeleitfähigkeit im Lockergestein - alles andere als eine Konstante

Markus Uhlig

Technische Universität Dresden, Deutschland

Geothermie - neu gedacht

Kurt Gergen, Edwin Kohl

GERGEN Energietechnik, Deutschland

PUSH-IT: Innovative Solutions for Decarbonising Heating Systems through High-Temperature Energy Storage

Nadezda Meier¹, David Bruhn^1,2, Martin Bloemendal^2,3, Phil Vardon², Iain Soutar⁴, Serge Santoo⁵

1: Fraunhofer-Einrichtung für Energieinfrastrukturen und Geothermie IEG, Deutschland; 2: Delft University of Technology, Netherlandsdavid.bruhn@ieg; 3: TNO, Dutch geological survey, Netherlands; 4: University of Exeter, England; 5: Polycentric Solutions B.V., Netherlands

Thermal energy storage and extraction at the MTES real laboratory site Reiche Zeche: microbial response and implications

Julia Mitzscherling¹, Leonie Gabler², Lukas Oppelt³, Rebekka Wiedener², Alireza Arab², Traugott Scheytt², Dirk Wagner^1,4

1: GFZ Helmholtz Centre for Geosciences, Section Geomicrobiology, 14473 Potsdam, Germany; 2: TU Bergakademie Freiberg, Chair of Hydrogeology and Hydrochemistry, 09599 Freiberg, Germany; 3: TU Bergakademie Freiberg, Professorship for Technical Thermodynamics, 09599 Freiberg, Germany; 4: University of Potsdam, Institute for Geosciences, 14476 Potsdam, Germany

Piloting High-Temperature Borehole Thermal Energy Storage: Progress from the PUSH-IT Project at TU Darmstadt

Hung Pham¹, Markus Schedel¹, Matthias Krusemark¹, Max Ohagen¹, Lukas Seib¹, Ingo Sass^1,2

1: Technical University of Darmstadt, Institute of Applied Geosciences, Geothermal Science and Technology; 2: The GFZ Helmholtz Centre for Geosciences, Potsdam

BEW-Machbarkeitsstudien im östlichen Ruhrgebiet

Kevin Mannke, Florian Hahn, Roman Ignacy, Alexander Nikolov, Holger Born, Jonas Enno Lehmann

Fraunhofer IEG, Deutschland

GeotIS – Das Geothermische Informationssystem für Alle(s)

Alex Susan Meyer¹, Thorsten Agemar¹, Tom Schintgen¹, Inga Moeck^1,2

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

Erstberatung bei der Planung und Umsetzung von Geothermieprojekten: Open-Source Tools zur thermo-ökonomischen Bewertung von Fernwärmenetzen und Großwärmepumpen

Ulrich Steiner¹, Ludwig Irrgang², Christopher Schifflechner², Benedikt Schweiger²

1: Koordinationsstelle Tiefengeothermie Bayern, TUMInt Energy Research GmbH; 2: Technische Universität München

Enhancing Well Reuse for Geothermal Energy in Europe - Reducing Economic and Policy Barriers in the TRANSGEO Project

Julie Friddell¹, Hannes Hofmann¹, Ema Novak², Sabine Appelt³, Klára Bödi⁴, Balázs Borkovits⁵, Jacques Brives⁶, Catarina Castro⁵, Werner Donke³, Ferenc Fedor⁵, Monika Hölzel⁶, Nina Kovač⁷, János Kovács⁵, Tomislav Kurevija⁸, Marija Macenić⁸, Katarina Marojević⁸, György Márton⁹, Matej Prkič⁷, Judit Schäffer⁹, Katrin Sieron¹⁰, Max Svetina¹¹, Alen Višnjić², Franz Vogel¹¹, Bojan Vogrinčič⁷, Danijela Vrtarić²

1: GFZ Helmholtz Centre for Geosciences, Germany; 2: Medjimurje Energy Agency Ltd. (MENEA); 3: Greenwell Energy GmbH; 4: Mining Property Utilization Nonprofit Public Ltd. (BVH); 5: University of Pécs; 6: GeoSphere Austria (GSA); 7: Local Energy Agency Pomurje (LEAP); 8: University of Zagreb - Faculty of Mining, Geology and Petroleum Engineering; 9: CROST Regional Development Nonprofit Ltd.; 10: State Office for Mining, Geology and Raw Material of Brandenburg (LBGR); 11: ONEO GmbH

Von der Machbarkeitsstudie zum (Geothermie-) Heizkraftwerk – vergabe- und vertragsrechtliche Fragen der 3D-Seismik, der Bohrung und des Anlagenbaus

Daniel Naumann

Luther Rechtsanwaltsgesellschaft mbH, Deutschland

Wie macht Kommunikation die Energiewende schneller? Aktuelle Ansätze im Akzeptanzdialog

Andreas Bachmeier

Engel & Zimmermann GmbH, Deutschland