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Conference Agenda

Overview and details of the sessions of this conference. Please select a date or location to show only sessions at that day or location. Please select a single session for detailed view (with abstracts and downloads if available).

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Session Overview
Location: HOLM_maX 2 Room 2

Date: Tuesday, 18/Nov/2025
9:00am - 10:40am	WS2: Nutzung von Glasfaserkabeln (GFK-Monitor) Location: HOLM_maX 2 Chair: Kai Zosseder 9:00am - 9:20am Einführung/Film Kai Zosseder¹, Thomas Reinsch² 1: Technical University of Munich, Deutschland; 2: Fraunhoffer - EG 9:20am - 9:40am Installation und Einbau des GFK an der Anlage Schäftlarnstraße, München Felix Schölderle Technische Universität München, Deutschland 9:40am - 10:00am Reservoircharakterisierung und -monitoring mittels faseroptischen ortsverteilten Temperaturmessungen (DTS) Aurelio Andy Technische Universität München, Deutschland 10:00am - 10:20am Visualisierung des Wärmetransports im Reservoir mittels niedrigfrequenten ortsverteilten dynamischen Dehnungsratenmessungen (DDSS auch bekannt als DAS) Charlotte Krawczyk GFZ Potsdam, Germany 10:20am - 10:40am Faseroptische Überwachung der Ankerrohrzementation Johannes Hart GFZ Potsdam, Deutschland
11:10am - 12:50pm	WS2b: Nutzung von Glasfaserkabeln (GFK-Monitor) Location: HOLM_maX 2 Chair: Kai Zosseder 11:10am - 11:30am Faseroptische Überwachung der Tauchkreiselpumpe (ESP) Thomas Reinsch Fraunhofer IEG, Deutschland 11:30am - 11:50am Tracermanagement im Molassebecken Theis Winter Technische Universität München, Deutschland 11:50am - 12:10pm Potenziale und Herausforderungen von faseroptischer Messtechnik in der Tiefengeothermie Kai Zosseder¹, Thomas Reinsch², Daniela Pfrang³ 1: Technical University of Munich, Deutschland; 2: Fraunhofer-Einrichtung für Energieinfrastrukturen und Geothermie; 3: SWM Services GmbH 12:10pm - 12:30pm Bewertung des GFK-Datennutzens am Beispiel des Glasfaserkabel-Monitorings in der Anlage Schäftlarnstraße, München aus Betreibersicht Daniela Pfrang Technical University Munich, Deutschland
2:00pm - 3:40pm	WS8: Geothermal energy for a future-proof heat supply Location: HOLM_maX 2 Chair: Volker Monser 2:00pm - 2:20pm Explorationsinitiative einschließlich Ausblick auf die petrothermale Geothermie Ullrich Bruchmann BMWE, Deutschland 2:20pm - 2:40pm Wissenschaftliche Grundlagen durch Daten und Explorationsstrategie Inga Moeck Uni Göttingen / LIAG, Deutschland 2:40pm - 3:00pm Exploration in Fläche und Tiefe durch Seismik Bodo Lehmann DMT GmbH & Co. KG, Deutschland 3:00pm - 3:20pm Erschließung der Geothermie durch Errichtung einer Tiefbohrung Uwe Schindler H. Anger's Söhne Bohr- und Brunnenbauges. mbH, Deutschland 3:20pm - 3:40pm Diskussion Inga Moeck Uni Göttingen / LIAG, Deutschland
4:10pm - 5:50pm	WS11: Geothermal Action Plan Location: HOLM_maX 2 Chair: Sanjeev Kumar

Date: Wednesday, 19/Nov/2025
11:10am - 12:50pm	Postersession \| Short Presentations Location: HOLM_maX 2 Chair: Horst Rüter
2:00pm - 3:40pm	Forum 03: Exploration und geologische Daten Location: HOLM_maX 2 Chair: Ingo Schäfer 2:00pm - 2:20pm Mobiler Shaker für hochauflösende Geothermie-Seismik: Technologischer Fortschritt und Feldergebnisse Daniel Jaskulski Herrenknecht AG, Deutschland 2:20pm - 2:40pm Geothermische Exploration im Oberrheingraben für das WärmeWerk Wörth Robin Seithel¹, Thomas Kölbel¹, Thomas Deck², Christoph Gröger³ 1: ENBW, Deutschland; 2: Daimler Truck; 3: Stadt Wörth am Rhein 2:40pm - 3:00pm Tiefenblick für die urbane Geothermie: Reflexionen und Best Practices aus Münster Carsten Lehmann Stadtwerke Münster GmbH, Deutschland 3:00pm - 3:20pm Auswertung geophysikalischer Grundlagendaten bei der Erstellung eines neuen geologischen Rahmenmodells des bayerischen Molassebeckens Johannes Großmann, Nico Hofmann, Jenny Borns, Timo Spörlein Bayerisches Landesamt für Umwelt (LfU), Deutschland 3:20pm - 3:40pm Zugang zu geologischen Daten – Was bewirkt das Geologiedatengesetz? Andreas Große Becker Büttner Held PartGmbB, Deutschland
4:10pm - 5:50pm	Forum 06: Reservoir Charakterisation Location: HOLM_maX 2 4:10pm - 4:30pm Bewertung von geologischen Unsicherheiten bei Geothermieprojekten – Vorstellung eines holistischen Ansatzes Susanne Kuchling, Marco Wunsch GTN - Geothermie Neubrandenburg GmbH, Deutschland 4:30pm - 4:50pm Transmissibilitäten und hochpermeable Zonen im tiefengeothermischen Malm-Purbeck-Reservoir des bayerischen Molassebeckens Valerie Ernst, Aurélia Crinière, Bob Bamberg, Felix Schölderle, Kai Zosseder Technische Universität München, Deutschland 4:50pm - 5:10pm Geophysikalische Reservoircharakterisierung der Sandsteine des Mittleren Jura (Dogger) im Norddeutschen Becken Immanuel Weber, Torsten Tischner BGR, Deutschland 5:10pm - 5:30pm Thermal Effects on Permeability Evolution under Cyclic Loading using the Thermo-Triaxial device Angel Ramirez¹, Leandra Weydt¹, 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 5:30pm - 5:50pm Systematische Bewertung der tiefengeothermischen Potenziale für Mittel- und Großstädte in Deutschland Fredy Hernandez¹, Inga Moeck^1,2 1: LIAG, Deutschland; 2: Uni Göttingen, Deutschland

Date: Thursday, 20/Nov/2025
9:00am - 10:40am	Forum 09: Exploitation, Scaling, Corrosion and Modelling (engl.) Location: HOLM_maX 2 Chair: Thomas Gruner 9:00am - 9:20am Resistance of stainless steels to crevice corrosion, SCC and corrosion of welded joints Sukanya Hägg Mameng¹, Cauê Corrêa da Silva², Daniel Svedberg¹ 1: Outokumpu Stainless AB; 2: Outokumpu Nirosta GmbH 9:20am - 9:40am Impact of Calcium Concentration on Inhibition Mechanism and Performance of Two Polymer-Based Silicate Scale Inhibitors in Low Enthalpy Geothermal Brine Systems Shabnam Mohammadi¹, Ken Sorbie¹, Lorraine Boak¹, Eric Mackay^1,2, Khosro Jarrahian^1,2 1: Heriot-Watt University, United Kingdom; 2: Petronas Centre of Excellence in Subsurface Engineering and Energy Transition (PACESET), Heriot-Watt University Edinburgh, EH14 4AS, UK 9:40am - 10:00am Next Level Acidizing of Geothermal Wells in Sandstone Formations Nils Lummer, Omair Rauf, Matthias Tepelmann, Steffan Gerdes Fangmann Energy Services GmbH & Co. KG, Deutschland 10:00am - 10:20am Geothermal Digital Twins Floris Degener¹, Arturs Blinovs¹, Geertjan van Og¹, Ryvo Octaviano², Demetris Palochis², Hashemi Leila², Pejman Shoeibiomrani² 1: Well Engineering Partners (WEP) BV, Netherlands; 2: TNO Geoscience and Technology, Netherlands 10:20am - 10:40am Applied, further development of electrical submersible pumps / ESP and line shaft pumps (LSP) for better run time and economics of geothermal energy Volker Wittig¹, Marion Schindler², Dimitra Teza¹, Tom Hettkamp², Frank Heipl³, Jörg Baumgärtner² 1: Fraunhofer IEG, Germany; 2: BESTEC GmbH; 3: Statdwerke München GmbH
11:10am - 12:50pm	Forum 13: Drilling Technology, Borehole Management and Closed Systems (engl.) Location: HOLM_maX 2 11:10am - 11:30am New closed-loop horizontal geothermal well project for direct use in district heating Kim Gunn Maver, Camille Hanna, Nikolaj Holmer Nissen, Mads Sylvest Eegholm Green Therma, Denmark 11:30am - 11:50am Control of Thermodynamic Properties in Thermal performance of Deep Closed-Loop Geothermal Systems Using Supercritical CO2 as a Working Fluid Mehrab Jiryayi Sherahi, Saeid Khasi, Maryam Mousavi, Apostolos Kantzas Department of Chemical and Petroleum Engineering, University of Calgary, Calgary, AB, T2N 1N4, Canada. 11:50am - 12:10pm Lost-in-hole preventive initiative to successfully drill deep geothermal project in Continental Europe. Mateusz Bedzyk, Davide Di Tommaso, Michael Phillips Weatherford 12:10pm - 12:30pm Workover Insights from Geothermal Wells in Germany Cristian Olaf Scanzoni, Julio Kemenyfy Kemco GmbH, Germany 12:30pm - 12:50pm ‘Pure’ tracer-based forecast of micro-solute ‘mining’ output from hydrothermal reservoir: what about remote reservoir boundaries? Julia Ghergut¹, Bettina Wiegand¹, Ulrich Maier¹, Stefan Englert¹, Martin Sauter^1,2 1: Georg-August-Universität Göttingen, Deutschland; 2: LIAG Hannover
2:00pm - 3:40pm	Forum 17: Monitoring and Seismology (engl.) Location: HOLM_maX 2 2:00pm - 2:20pm Sonic imaging guides geothermal lateral wells Jeroen Jocker¹, Heike Delius¹, Miklos Antics², Pierre Ungemach², Leon Dahlhaus¹, Rajeev Kumar¹, Erik Wielemaker¹, Hirabayashi Nobuyasu¹, Charles Naville³ 1: SLB, Netherlands, The; 2: GPC IP / Geofluid; 3: IFP Energy Nouvelles 2:20pm - 2:40pm The Temperature of Reinjected Fluid Impacts Induced Seismicity During Geothermal Exploitation. Nicolas Wynants-Morel, Ricardo Perez Lithium de France, 31 rue de la Redoute, 67500 Haguenau, France 2:40pm - 3:00pm XFEM-Based Modeling of Injection-Induced Seismicity in Geothermal Reservoirs Mohammad Sabah¹, Hannes Hofmann^1,2, Mauro Cacace², Iman Rahimzadeh Kivi³ 1: Institute for Applied Geosciences, Technische Universität Berlin; 2: German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam; 3: Department of Earth Science and Engineering, Imperial College London 3:00pm - 3:20pm Modelling the effect of induced seismicity at the Earth’s surface – case studies based on the geothermal projects Graben-Neudorf and Wörth in the Upper Rhine Graben Philip Hering, Nils Medinger, Hagen Deckert Institut für innovation, Transfer und Beratung gGmbH, Deutschland 3:20pm - 3:40pm Wavefield-based localization of induced earthquakes using borehole DAS in laterally heterogeneous media Abolfazl Komeazi, Georg Rümpker, Fabian Limberger Goethe University Frankfurt, Germany
4:10pm - 5:50pm	Forum 21: Reservoir Evaluation (engl.) Location: HOLM_maX 2 4:10pm - 4:30pm Success factors of Geothermal projects in the Netherlands Marcel Zwaan PanTerra, Netherlands, The 4:30pm - 4:50pm Multi-scale Geothermal Reservoir Evaluation within the SCAN program in the Netherlands: from Core-scale Matrix Properties to Well Test Insights Sven McCarthy¹, Dallyn Rodrigues¹, Erich Funk¹, Henk vanLochem², Adriaan Janszen², Marten ter Borgh² 1: PantTerra Geoconsultants, LEiderdorp South Holland, Netherlands; 2: EBN - State Energy Company of the Netherlands, Utrecht, Netherlands 4:50pm - 5:10pm The WärmeGut Project: Predicting Sandstone Intervals in the Tertiary Succession of the North German Basin Using Gamma Ray Log Frequency Analysis Mehrdad Sardar Abadi¹, Thorsten Agemar¹, Olaf Klaus Lenz², Roberto Pierau², Tom Schintgen¹, Inga Moeck^1,3 1: LIAG-Institute for Applied Geophysics, Stilleweg 2, 30655, Hannover, Germany; 2: Landesamt für Bergbau, Energie und Geologie (LBEG), Stilleweg 2, 30655, Hannover, Germany; 3: Georg-August-Universität Göttingen, Goldschmidtstr. 3, 37077, Göttingen, Germany 5:10pm - 5:30pm Fault zone architecture in a geothermal reservoir Johannes Wiest, Felix Allgaier, Thilo Wrona, Igor Kozlov, Rolf Herrmann Deutsche ErdWärme GmbH & Co. KG, Deutschland 5:30pm - 5:50pm Bayesian Pore Pressure Prediction from Offset Wells Malte J. Ziebarth, Michael C. Drews, Indira Shatyrbayeva, Florian Duschl Technische Universität München, Deutschland

The German Geothermal Congress 2025

18 - 20 November 2025 | Frankfurt, Germany

Conference Agenda