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Event program / Geo-Energy Systems and Underground Technologies

DGMK/ÖGEW spring conference "Shape up the subsurface industry for a changing energy landscape"

Wednesday, May 15, 2024

Welcome and Opening

Großer Saal


G. Netzeband, Managing Director of DGMK e.V., J. Rückheim, Chairman of the DGMK Department of Geo- Energy Systems and Underground Technologies

Plenary Lectures

Moderation: J. Rückheim

Current challenges in energy and climate policy German energy transition and international climate policy - do they still go together?

Th. Schaefer, Head of Thematic Cluster Digitalization & Climate Change, Cologne Institute for Economic Research, Cologne, Germany

Vienna's heating transition: Energy transition only with geothermal energy

L. Kirchberger, Head of Asset Decarbonization & New Technologies, Wien Energie GmbH, Vienna, Austria

Laudatory speech and presentation of the Georg Hunaeus Prize

R. Frimpong, Chairman of the Board of DGMK e.V.

Presentation of the She Drives Energy - Study Award 2023

G. Netzeband, Managing Director of DGMK e.V.

Prize winners: Brief presentation of the works

Coffee Break

underground storage technology

Moderation: R. Przyrowski
Großer Saal

The dimensioning of gas storage caverns in rock salt under consideration of thermally induced infiltration cracks

B. Leuger, L. Baumgärtel, F. Körner, D. Zapf, Leibniz University Hannover, Institute of Geotechnics Dept. IUB, Hannover

Cavern storage using the example of the K603 oil storage cavern in Wilhelmshaven-Rüstringen

K. Schippers1, S. Emmerlich2, J. Langer2, R. Schäfer2, M. Simon2, 1NWKG, Wilhelmshaven, 2DEEP.KBB GmbH, Bad Zwischenahn

Implementation of the Gas Cap Utilization Concept of the 16.TH as Peak Underground Gas Storage

D. Zabel1, N. Baric1, S. Kreiger2, 1OMV Aut E&P GmbH, Subsurface Engineering Austria, Gänserndorf, Austria, 2OMV Gas Storage GmbH, Technical Asset Management, Vienna, Austria

Digital Transformation

Moderation: J. Möller
Hunting room

Automating the Well Workover Candidate Identification Process in one of Europe's largest Onshore Oil Fields, Matzen

K. Verbole Ilijev1, M. Vögele2, I. Tishchenko2, E. Avbelj1, S. Hercus2, A. Payer-Moser1M. S. Eichinger-Klemm2, 1OMV Exploration & Production GmbH, Gänserndorf, Austria, 2OMV Exploration & Production GmbH, Vienna, Austria

Data-Driven Future: Wintershall Dea's OSDU Data Platform Deployment Strategy

de Groot, M., Mackie, S, Wintershall Dea AG, Hamburg


Moderation: J. Schoenherr
Celler Saal

Keynote | On the Role of Probabilistic Geomodeling for Risk and Uncertainty Assessment in Geothermal Exploration

F.Wellmann1,2, J. Niederau1, O. Ritzmann1, 1Fraunhofer IEG, Bochum, 2Numerical Geosciences, Geothermal Energy and Reservoir Geophysics, RWTH Aachen University

Georg Hunaeus Prize | Reservoir Characterization of low to high Enthalpy Geothermal Systems

L. Weydt, Technical University of Darmstadt, Department of Geothermal Science and Technology, Darmstadt

Geomechanical-numerical Models without Stress Magnitude Data

M. Ziegler1,2, O. Heidbach2,3, 1Technical University Munich, Munich, 2Helmholtz Center Potsdam - GFZ German Research Centre for Geosciences, Potsdam, 3TU Berlin, Institute for Applied Geosciences, Berlin

Petrography-based Workflow on Drill Cuttings in Combination with Borehole Gamma Ray Data, and pXRF on Reservoir Rocks from the Vienna Basin Flysch Play

J. A. Ölmez1,2, B. Busch1, R. Möbius, K. Dasgupta3, A. L. Gauer3, F. Tosoratti3, C. Hilgers1,2,1KIT, Institute of Applied Geosciences, Structural Geology & Tectonics, Karlsruhe, 2KIT Campus Transfer GmbH, TTE Reservoir-Geology, Karlsruhe, 3OMV Exploration & Production GmbH, Vienna, Austria


Moderation: B. Gerhartz

Poster Session

Moderation: L. Ganzer, V. Köhler, R. Oswald
Gallery on the upper floor & in front of the Celle Hall

Poster contributions (see below)

Evening Event

Großer Saal

Greetings of the ÖGEW

R. Oswald, Chairman of ÖGEW

Decarbonization of a logistics giant!

A. Mündel, SVP Strategy & Operations Programs, Deutsche Post DHL Group, Bonn


Thaers Wirtshaus, Thaerpl. 1, 29221 Celle (Directly at the Congress Union Celle)

Thursday, May 16, 2024

08.15 - 08.55
Coffee Morning

in the foyer

Underground Storage

Moderation: I. Forstner
Großer Saal

She Drives Energy - Study Award | Hydrogen Transport and Storage Properties of Reservoir Analogues: Experimental Investigations of Stress and Temperature Dependencies

S. Husch, Institute for Geology and Geochemistry of Petroleum and Coal, RWTH Aachen University in cooperation with the Fraunhofer IEG in Bochum

Use of a former gas storage facility for aquifer heat storage

T. Tischner, Federal Institute for Geosciences and Natural Resources, Deep Geothermal Energy and CO2 Storage, Hanover

Influence of reservoir permeability on gas-based temperature storage

D. Bücken1,2, T. Backers1, 1Ruhr University Bochum, Working Group "Engineering Geology and Rock Mechanics", Institute of Geology, Mineralogy and Geophysics, Bochum, 2Geomecon GmbH, Berlin

Methane emission

Moderation: J. Lillie
Hunting room

Transition of the Energy Sector towards Methane Emissions Monitoring and Reduction based on Emerging Frameworks

G. Kotsiopoulou, OMV Exploration & Production GmbH, Facility Optimization, Vienna, Austria

With technology and team spirit - efficient and targeted reduction of methane emissions

J. Brandtner1, J. Schmitt2P. Weustermann3, 1Bundesverband Erdgas, Erdöl und Geoenergie e.V., Sustainability and Environment, Hanover, 2Wintershall Dea AG, Sustainability, Kassel, 3ExxonMobil Production Deutschland GmbH, Sustainability, Hanover

Q&A Session

Petroleum Engineering

Moderation: A. Payer-Moser
Celler Saal

Barenburg EOR Pilot: from Theory to Practice

T. Vielhauer, J. Plenge, F. Fazeli, ExxonMobil Production Deutschland GmbH, Hanover

Data-Driven Improved Waterflood Management in Various Types of Oil Fields: The Use Case for Streamline Surveillance

S. Salchenegger1, D. Oliva Marti1, A.-M. Burchisis2, A.-C. Popa2,1OMV Exploration & Production GmbH, Reservoir Optimization, Gaenserndorf, Austria, 2OMV Petrom SA, Bucharest, Romania

Development Concept of the Hot Water Development project in the Oilfield Emlichheim

S. Künckeler, H. Beckmann, D. Prasno, Wintershall Dea Deutschland GmbH, Hamburg

Performing while Transforming

Moderation: A. Weiß
Castle room

Innovation diffusion in the subsequent use of mining sites as a driver for climate neutrality and transformation processes

J. Haske1, T. Rudolph2, 1Research Center of Post-Mining at the THGA University Bochum, Reactivation & Transition, Bochum, 2Research Center of Post-Mining at the THGA University Bochum, Geomonitoring, Bochum

E-Tandem: Converting CO2 into e-fuels - From Laboratory Scale to Continuous Production

H. Stieber, Max Planck Institute for Chemical Energy Conversion, Molecular Catalysis, Multiphase Catalysis, Mühlheim an der Ruhr

10:30 - 11:00
Coffee Break

Geothermal Energy

Moderation: J. Uhde
Großer Saal

Analytical and Numerical Calculation of Heat Transfer in Geothermal Systems for Energy Storage and Extraction

S. Mohammadi1, G. Brenner2, 1Clausthal University of Technology, Department of Current Mechanics, Clausthal-Zellerfeld, 2Institute of Engineering Mechanics, Department of Fluid Mechanics, Clausthal-Zellerfeld

Development of the Bochum Dannenbaum mine for heat and cold utilization: drilling and pumping tests

D. Teza1, D. Boernecke2, K. Appelhans2, F. Jagert2, J. Raube3, E. H. Saenger4,5, 1Fraunhofer IEG, Karlsruhe, 2Fraunhofer IEG, Bochum, 3Stadtwerke Bochum Holding GmbH, Bochum, 4Bochum University of Applied Sciences, Bochum, 5Ruhr University Bochum, Bochum

Case Study "Zechstein Geothermal Water"

F. Schroers1, K. K. Oezcubukcu2, U. Alt-Epping1, 1Wintershall Dea Deutschland GmbH, Hamburg, 2Wintershall Dea AG, Kassel

Extraction of Raw Materials from Geothermal Fluids - A Review of the BrineMine Project

V. Goldberg1,2, D. Winter3, J. Koschikowski3, T. Kohl1, F. Nitschke1, 1Karlsruhe Institute of Technology, Geothermal Energy and Reservoir Technology, Karlsruhe, 2Universidad de Chile, Centro de Excelencia en Geotermia de Los Andes, Santiago de Chile, Chile, 3Fraunhofer ISE, Freiburg

Lunch Break

Energy Storage

Moderation: Th. Schröckenfuchs
Hunting room

Numerical Simulation Study for the Evaluation of the UHS Pilot Test HySTORAGE

S. Hogeweg1, B. Hagemann1, G. Strobel2, C. Kosack2, L. Ganzer1, 1Clausthal University of Technology, Institute of Subsurface Energy Systems, Clausthal-Zellerfeld, 2Uniper Energy Storage GmbH, Düsseldorf

Standardization in Biocorrosion Management in Gas and Hydrogen Storage - Status Quo and Recent Developments

L. Dengler1, G. Schmid1, A. Koerdt2, A. Böllmann1, A. Kaul1, 1Microbify GmbH, Straubing,2Federal Institute for Materials Research and Testing, Biological Material Damage and Reference Organisms, Berlin

Laboratory tests on the mechanical properties and gas tightness of borehole cements and casing cementation rock salt composite systems for salt caverns

T. Pan, K.-H. Lux, R. Wolters-Zhao, Clausthal University of Technology, Chair of Geomechanics and Multiphysical Systems, Clausthal-Zellerfeld

Comparison of Natural Gas and Hydrogen Withdrawal Profiles of Subsurface Porous Storage Sites

C. T. Lüddeke, B. Hagemann, L. Ganzer, Clausthal University of Technology (TU Clausthal), Institute of Subsurface Energy Systems, Clausthal-Zellerfeld

Production Engineering

Moderation: D. Davies
Celler Saal

Georg Hunaeus Prize | Experimental investigation and modeling of respiration phenomena in the irrigation of storage tanks

N. Schmidt, CSE-Engineering Center of Safety Excellence GmbH, Pfinztal

Managing Mature Oil Fields - LTO/Technology - Construction of the "Emlichheim Pipeline", use of new materials for the transportation of reservoir water

J. Nolle1Th.Späth2, 1ExxonMobil Production Deutschland GmbH, TEEX, Hanover, 2egeplast international GmbH, Greven

Use of CHP concepts - experience in relation to the operation of CoGen and CHP technology

T. Ladewig, ExxonMobil Production Deutschland GmbH, Asset Optimization Execution, Hanover

SPE Youngtimer Garage

Moderation: D. Bücken, J. Siwert
Celle Castle Room

Introduction by GSSPE YPs

D. Bücken1, J. Siwert1, 1geomecon GmbH, Berlin, 1Equinor ASA, Trondheim, Norway

Technical Talk: A transition from conventional E&P to Geothermal

A. Owolabi, Eavor Deutschland GmbH, Düsseldorf

Technical Talk: Working for a contractor or a client. What is the difference?

C. Lesche, Uniper SE, Düsseldorf


Mentoring Workshop: Career Progression Options

I. Becker.1, C. Kosinowski2, L. Hoegn3, J. Löw4, 1Equinor ASA, Harstad, Norway, 2Neptune Energy Holding Germany GmbH, Hanover, 3ExxonMobil Production Deutschland GmbH, Hanover, 4Geomec Engineering, Hafrsfjord, Norway

Closing Remarks

D. Bücken1, J. Siwert2, 1geomecon GmbH, Berlin, 2Equinor ASA, Trondheim, Norway

Lunch Break with Snack

Poster award ceremony

Moderation: L. Ganzer, R. Oswald
Großer Saal

Poster presentation by L. Ganzer, Clausthal University of Technology, Institute of Subsurface Energy Systems, Clausthal-Zellerfeld, Germany

Geothermal Energy / Geothermal Risking

Moderation: D. Teza
Großer Saal

A DGMK/BVEG guideline for the evaluation of deep geothermal projects

G. Hollmann1, J. Böhner2, A. El-Alfy3A. Fischer-Erdsiek4, I. Forstner5, S. Homuth6, S. Kuchling7, M. Meirich8, A. Möhring9, O. Ritzmann10, J. Schönherr11, J. Uhde12, 1ONEO, Hanover, 2HDI Risk Consulting GmbH, Hanover, 3Geo-Energie Suisse AG, Zurich, 4NW Assekuranzmakler ProRisk GmbH & Co. KG, Hanover, 5BVEG e.V., Hanover, 6Deutsche ErdWärme GmbH & Co. KG, Karlsruhe, 7DGMK e.V., Hamburg, 8neowells GmbH, Visbek, 9NDEWG GmbH, Lingen / Ems, 10Fraunhofer IEG, Bochum, 11ExxonMobil Production Deutschland GmbH, Hanover, 12geopfalz GmbH & Co. KG, Speyer

Challenges when Applying Classic O&G Flow Assurance know-how to Geothermal Energy Harvesting Systems

J. Badstoeber, T. Schroeckenfuchs, OMV Energy, Gänserndorf, Austria

Numerical Modeling of the Stress Field in the Hanover Area

B. Beans1, D. Bücken1, H. Falk2, T. Meier1, A. Rogers3, 1geomecon GmbH, Berlin, 2Eavor GmbH, Düsseldorf, 3Eavor Technologies Inc., Calgary, Canada

Radiogenic Heat Production of Subsurface Crystalline Rocks Calculated from Core Gamma-ray Logging Data, Bohemian Massif, Austria - First Results

W. Hujer1, G. Tari2, 1OMV Energy, OMV TECH Center & Lab, Core & Cutting Technologies, Gänserndorf, Austria, 2OMV Energy, Business Development, Vienna, Austria


Moderation: M. Becker
Hunting room

CO2 Storage Potential in Austria and its Competitive Subsurface Usage

J. Kulich, H. Ott, Montanuniversität Leoben, Chair of Reservoir Engineering, Geoenergy, Leoben, Austria

Formation and decay conditions of gas hydrates during CO2 injections in depleted natural gas reservoirs

A. Tamaskovics, N.-A. Kummer, M. Amro, H. Alkan, TU Bergakademie Freiberg, Freiberg, Germany

Scaling of Viscous-Unstable CO2-Brine Displacement

H. Ott1, O. Amrollahinasab1, S. Berg2, 1Montanuniversität Leoben, Department Geonergy, Leoben, Austria, 2Shell Global Solutions International B.V., Amsterdam, Netherlands

How Proper CO2 Compressor Selection can Improve the Economics on CCUS

P. Adam, L. Biyikli, Siemens Energy Global GmbH & Co. KG, Erlangen

H2 Storage

Moderation: H.Bernhardt
Celler Saal

Hydrogen Pilot Cavern Krummhörn - Demonstration of a Hydrogen Storage Solution

S. Boor1, M. Strzeja2, N. Weber3, 1Uniper Energy Storage GmbH, Subsurface Facilities Storages, Düsseldorf, 2Uniper Energy Storage GmbH, Surface Facilities Storages, Düsseldorf, 3DEEP.KBB GmbH, Subsurface Technologies, Hanover

Setups of Microbial Hydrogen Consumption Experiments: Advantages and Disadvantages

L. Krasper, M. Wagner, MicroPro GmbH, Microbiology, Gommern

Sensitivity Analysis and Simulation of Underground Hydrogen Storage in the Lehen Field, Upper Austria

M. Abdellatif1, S. Azizmohammadi1, G. Stiedl1, P. Jasek1, H. Ott1, M. Pichler2, 1Montanuniversität Leoben, Department Geoenergy, Leoben, Austria, 2RAG Austria, Subsurface Storage Development, Vienna, Austria

HySTORAGE: Assessment of Underground Hydrogen Storage Performances during First Pilot Test Phase

G. Strobel, C. Kosack, G. Dietzsch, Uniper Energy Storage GmbH, Düsseldorf

drilling technology

Moderation: S. van der Woude

Applying Large-Bore Expandable Liner Hangers in Complex Gas Wells in Germany

L. Bierenriede1, B. de Vries2, 1Neptune Energy Holding Germany GmbH, Drilling & Wells, Hanover, 2Halliburton, Completion Tools, Emmen, Netherlands

Ultra-high Temperature Logging-While-Drilling Tools and Pressure-While-Drilling (PWD) Applications in High Temperature Geothermal Wells

D. Di Tommaso, Weatherford, Interpretation and Evaluation - Drilling Services, Ortona, Italy

Urban Drilling Rigs - Development and validation of new innovative drilling rig technologies for use in inner-city, urban areas

T. Trauth1, J. Binder2, 1Herrenknecht Vertical GmbH, Business Development Manager, Schwanau, 2Herrenknecht Vertical GmbH, Technical Director, Schwanau

Numerical multi-phase simulations for a digital twin of the drilling process in geothermal projects

K. Skinder, H. Ibrahim, G. Brenner, TU Clausthal/Institute of Applied Mechanics, Department of Fluid Dynamics, Clausthal-Zellerfeld

Wednesday, May 15, 2024, 17:30 - 19:00

Poster Session

Moderation: L. Ganzer, V. Köhler, R. Oswald
Gallery on the upper floor & in front of the Celle Hall

Running an Extremely Long 4-1/2" Liner in a Highly Deviated Gas Well

L. Bierenriede1, F. Pienaar2, 1Neptune Energy Holding Germany GmbH, Drilling & Wells, Hanover, 2NOV Germany GmbH, Liner Hanger Systems, Vechta

Geochemical Reactivity of Hydrogen with Buntsandstein Sandstones Under Reservoir Conditions: Implications for Underground Hydrogen Storage

C. Cheng, B. Busch, A. Kontny, C. Hilgers, KIT - Karlsruhe Institute of Techonology, Institute of Applied Geosciences, Karlsruhe

Experimental Investigation of Capillary Entry Pressure for Caprock Sealing Capacity in Carbon Dioxide Sequestration

S. Pang1, B. Hagemann1, N. Langanke1,2, L. Ganzer1, 1Institute of Subsurface Energy System, Clausthal University of Technology, Clausthal-Zellerfeld, 2HOT Microfluidics GmbH, Goslar

Unlocking Tomorrow's Energy: Utilizing lithium Reserves from Disregarded Partners - Oil and Gas Deposits

L. Gevorgyan, R. Haseneder, TU Bergakademie Freiberg, Institute of Thermal Process Engineering, Environmental and Natural Materials Process Engineering, Freiberg

Ground motion monitoring 4.0 - an approach for the hydrogen cavern storage of the future?

T. Rudolph1, A. Müterthies2, C.-H. Yang2P. Goerke-Mallet1, 1Georg Agricola University of Technology, Post-Mining Research Center, Bochum, 2EFTAS Fernerkundung Technologietransfer GmbH, Münster

A new Quaternary base for Lower Saxony - dealing with heterogeneous input data and first results

J. Meinsen, I. Bruns, K. Fischer, M. Helms, S. Sattler, R. Schöner, State Office for Mining, Energy and Geology, Hanover

Data leaders of the future: How a dedicated team, AI magic and smart information management can conquer the data chaos!

T. Fischer, F. Albus, H. Ayad, I. Ulumaskan, Wintershall Dea Deutschland GmbH, Business & Information Management, Hamburg

Advanced Inline Inspection Techniques as a Vital Element to Safely Manage the Transition of Storage Infrastructure to a Hydrogen Economy

F. Bruening1, D. Sandana2, 1ROSEN Germany GmbH, Challenging Pipeline Diagnostics, Lingen, 2ROSEN UK Ltd, Integrity Management Services, Newcastle, United Kingdom

Fast Mass Transfer Processes of Interfering Trapped CO2-clusters at Reservoir Conditions: Experiment and Theory

H. Geistlinger1,2, B. Zulfiqar1, M. Amro2, 1Helmholtz Center for Environmental Research-UFZ Leipzig-Halle, BOSYS, Halle, 2TU Berakademie Freiberg, Institute for Drilling Technology and Fluid Mining, Freiberg

Mechanical Dispersion in UHS: Insights from Laboratory Experiments on Hydrogen-methane Interactions

J. Michelsen1, B. Hagemann1, L. Ganzer1, M. Pichler2, A. Andiappan2, 1TU Clausthal, Institute of Subsurface Energy Systems, Clausthal-Zellerfeld, 2RAG Austria AG, Vienna, Austria

Fast Swelling Effect of Light Oil under Reservoir Conditions: Micro-CT and Pressure-decay Experiments

B. Zulfiqar1,2, H. Geistlinger1,2, M. Amro2, 1Helmholtz Center for Environmental Research, BOSYS, Halle, 2TU Bergakademie Freiberg, Institute for Drilling Technology and Fluid Mining, Freiberg

Phase Interactions during Geological Carbon Storage in Depleted Hydrocarbon Reservoirs

S. Golmohammadi, C. Freese, M. Amro, TU Bergakademie Freiberg, Freiberg

Contribution of H2 cavern storage in Lower Saxony to the development of the hydrogen economy

K.-H. Lux, J. Sun-Kurczinski, T. Pan, TU Clausthal, Chair of Geomechanics and Multiphysical Systems, Clausthal-Zellerfeld

Hydrogen-driven Microbial Redox Reactions in Deep Geosystems Relevant for Hydrogen Storage

M. Krüger, A. Dohrmann, Federal Institute for Geosciences and Natural Resources (BGR), Geochemistry of Raw Materials, Hanover

Microbial Risk Assessment for Underground Hydrogen Storage in Europe - EU Project HyLife

P. Bombach1, A.-S. Biwen2, K. Cerna3, J. Riha3, V. Hlavackova3, K. Fadrhonc3, N. Paltrinieri4, K. Kyaw4, A. Oust4, p. wheel5, S. Stephant5, M. Caroline5, D. Ropers6, A. Belcour6, H. de Jong6, J. Tremosa7, N. Doffel2, 7Isodetect GmbH, Leipzig, 2Norce, Bergen, Norway, 3Technical University of Liberec, Liberec, Czechia, 4Norwegian University of Science and Technology, Trondheim, Norway,5French Geological Survey BRGM, Orléans, France, 6Inria, Grenoble, France, 7Geostock, Ruel-Malmaison, France

Estimation of potential stress-induced permeability enhancement for the evaluation of geothermal reservoirs

W. A. Heins1, H. R. Leah2, P. J. Webb2, C. J. Hill2, 1Getech Group plc, Houston, United States, 2Getech Group plc, Leeds, United Kingdom

Avoid injuries thanks to work-safe and shear force-free bolting

P. Junkers, Barbarino & Kilp GmbH - HYTORC, Management, Krailling / near Munich

Analyzing the Effect of Torque on Stick Slip Drilling Vibrations: A Numerical Simulation Study

C. Ejike1, K. Abid2, C. Teodoriu2, 1The University of Oklahoma, Norman, United States, 2The University of Oklahoma, MPGE, Norman, United States

A Discussion of Drilling and Well Control Simulators: Past present and Future

S. Avinu1, K. Abid2, C. Teodoriu2, 1The University of Oklahoma, Norman, United States, 2The University of Oklahoma, MPGE, Norman, United States

Why Downhole Materials Thermal Properties matter in Geothermal Well Construction?

A. Toledo Velazco, K. Abid, C. Teodoriu, The University of Oklahoma, MPGE, Norman, United StatesA. Toledo Velazco, K. Abid, C. Teodoriu, The University of Oklahoma, MPGE, Norman, United States

A Discussion of the Cementless Well Construction and the Impact Towards Well Integrity

C. Teodoriu1, K. Abid1, Y. Esquitin2, R. Velasquez2, 1The University of Oklahoma, MPGE, Norman, United States, 2Welltec, Houston, United StatesC. Teodoriu1, K. Abid1, Y. Esquitin2, R. Velasquez2, 1The University of Oklahoma, MPGE, Norman, United States, 2Welltec, Houston, United States

Case Study of 3D Geomechanical Model of Salt Dome in North German Basin

J. Diessl1, H. Stockhausen1, E. Kårstad1, M. Bruno2, J. Vickers3, A. Kellner4, 1THREE60 Energy Norway, Stavanger, Norway, 2GeoMechanics Technologies, Los Angeles, United States, 3Vermilion Energy, Hanover, Germany, 4Vermilion Energy, Geoscience, Hanover, Germany

Reservoir Simulation Studies in Underground Hydrogen Storage in a Depleted Gas Reservoir - Northwestern Germany

D. A. von Reinicke Laredo, S. Roy, A. Henk, TU Darmstadt - Institute of Applied Geosciences, Engineering Geology, Darmstadt

Cybersecurity: From Theory to Practice

J. Möller, Siemens AG, Digital Industries, Mannheim, Germany

Use of CO2 and polymer in a heavily fissured carbonate deposit

D. Unursaikhan, C. Freese, M. Amro, TU Bergakademie Freiberg, Freiberg

Overview map of exploration-relevant rocks for hydrothermal geothermal energy in Lower Saxony 1:500,000

R. Pierau, W. Wirth, State Office for Mining, Energy and Geology, Hanover

Technology Readiness Level Assessment according to DNV-RP-A203 of underground components for the storage of hydrogen

L. Ochmann1, A. Eight1, C. McMichael2, A. Moffat2, 1AtkinsRéalis, Oldenburg, Germany, 1AtkinsRéalis, Glasgow, United Kingdom

Hydrogeochemical modeling of geothermal power plant processes using a digital twin

L. Yström1, M. Trumpp1, J. Amtmann2, D. Winter3, J. Koschikowski3, F. Nitschke1, 1Karlsruhe Institute of Technology (KIT), Geothermal Energy and Reservoir Technology, Karlsruhe, Germany, 2Geosaic GmbH, Knittelfeld, Austria, 3Fraunhofer Institute for Solar Energy Systems (ISE), Freiburg

MALEG - Machine Learning for Enhancing Geothermal Energy Production

M. Trumpp1, L. Yström1, F. Eichinger2, J. Amtmann3, D. Winter4, J. Koschikowski4, T. Kohl1, F. Nitschke1, 1Karlsruhe Institute of Technology, Geothermal Energy and Reservoir Technology, Eggenstein-Leopoldshafen, Germany, 2Hydroisotop GmbH, Schweitenkirchen, Germany, 3Geosaic GmbH, Knittefeld, Austria, 4Fraunhofer Institute for Solar Energy Systems ISM

Hydrodynamic Pore-space Alteration Induced by Site-extracted Methanogenic Archaea: A Microfluidic Approach towards Subsurface Geo-methanation

P. Jasek1, H. Konegger2, E. Edlinger2, A. Loibner2, H. Ott1, 1Montanuniversität Leoben, Department Geoenergy, Leoben, Austria, 2University of Natural Resources and Life Sciences, Vienna, Institute of Environmental Biotechnology, Tulln, Austria

Scaling and Reservoir Clogging Potential in the DeepStor High Temperature Aquifer Energy Storage (HT-ATES)

F. Nitschke, L. Ystroem, Karlsruhe Institute of Technology, Applied Geosciences, Karlsruhe

Micro Jet drilling Based Reservoir Intervention to Boost Geothermal Energy Harvesting and Storage

J. Hoffmann1, B. Polat2, V. Wittig3, 1Fraunhofer IEG, Advanced drilling, Bochum, 2Fraunhofer IEG, advanced Drilling, Bochum, 3Fraunhofer IEG, Advanced Drilling, Bochum

Micro Logging Tool for Improved Geothermal Well and Reservoir Intervention and Production

R. Stockmann, M. Meyer, V. Wittig, Fraunhofer IEG, Advanced Drilling, Bochum

The Warm-Up research project - geothermal energy for the heating transition

S. Röhling1, Project Team Warm-Up1,2,3,4, 1Federal Institute for Geosciences and Natural Resources, Subsurface Use, Berlin, 2Leibniz Institute for Applied Geophysics, Hanover, 3ECOLOG Institute for Social-Ecological Research and Education, Lüneburg, 4Institute for Ecological Economy Research, Berlin

Lithium extraction in the thermal water cycle: Mispredictions of material yield are the minor problem

BMWK-FKZ-03EE4023E-UnLimiteD, University of Göttingen, Applied Geoscience Dept., Göttingen, GermanyBMWK-FKZ-03EE4023E-UnLimiteD, University of Göttingen, Applied Geoscience Dept., Göttingen, Germany

Caveats before Conducting Tracer Injection-withdrawal Tests at Geothermal Production Wells, and Recommendations on Tracer Slug Sizing

BMWK-FKZ-03EE4036E-GFK-Monitor, University of Göttingen, Applied Geoscience Dept., Göttingen

CompReact - Enhancing CO2 Storage Simulation with Advanced Geochemical Modeling

Wirth, M., Stenby, E.H., Yan, W., Technical University of Denmark, Center for Energy Resources Engineering

E-Tandem: Converting CO2 into e-fuels - From Laboratory Scale to Continuous Production

H. Stieber, Max Planck Institute for Chemical Energy Conversion, Molecular Catalysis | Multiphase Catalysis, Mühlheim an der Ruhr

Subject to change!