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).

 
 
Session Overview
Location: HOLM_maX 2
Room 2
Date: Tuesday, 18/Nov/2025
9:00am
-
10:40am
WS2: Augen und Ohren im Untergrund - Faseroptisches Monitoring in der Tiefengeothermie. Abschlussworkshop des Projektes 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: Augen und Ohren im Untergrund - Faseroptisches Monitoring in der Tiefengeothermie. Abschlussworkshop des Projektes 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 Pfrang1, Katja Thiemann2

1: Technical University Munich, Deutschland; 2: SWM Services GmbH

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
 
11:10am - 11:13am

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



11:13am - 11:16am

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

Michael Kettermann1, Oliver Ritzmann1, Florian Wellmann1,2

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



11:16am - 11:19am

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

Phil Stone

Reactive Downhole Tools, United Kingdom



11:19am - 11:22am

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

Marzieh Baes1, Mauro Cacace1, Jan von Harten2, Alexander Lüpges3, Denise Degen1,4, Jan Niederau5, Tobias Rolf5, Magdalena Scheck-Wenderoth1,6, 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



11:22am - 11:25am

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



11:25am - 11:28am

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



11:28am - 11:31am

Neue Wege in die Geothermie eröffnen

Oliver Buschor

separatus AG, Schweiz



11:31am - 11:34am

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

Hanne Karrer, Peter Osgyan, Leonie Schurr, Lars Staudacher

ZAE Bayern, Deutschland



11:34am - 11:37am

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

Wouter Peere

Enead BV, Belgium



11:37am - 11:40am

Wärmeleitfähigkeit im Lockergestein - alles andere als eine Konstante

Markus Uhlig

Technische Universität Dresden, Deutschland



11:40am - 11:43am

Wie macht Kommunikation die Energiewende schneller? Aktuelle Ansätze im Akzeptanzdialog

Andreas Bachmeier

Engel & Zimmermann GmbH, Deutschland

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
Chair: Harald Milsch
 
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 Sass1,2

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 Moeck1,2

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 Mackay1,2, Khosro Jarrahian1,2

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
Chair: Thomas Kohl
 
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 Sauter1,2

1: Georg-August-Universität Göttingen, Deutschland; 2: LIAG Hannover

2:00pm
-
3:40pm
Forum 17: Monitoring and Seismology (engl.)
Location: HOLM_maX 2
Chair: Hortencia Flores Estrella
 
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 Hofmann1,2, 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
Chair: Inga Moeck
 
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 Moeck1,3

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