Conference Program - Celle Drilling 2025
Tuesday, 16th September 2025
| 11:30 | Registration |
Keynotes
(Grosser Saal)
| 13:15 | Welcome |
| 13:30 | Keynote TRANSGEO – Transforming abandoned wells for geothermal energy production Hannes Hofmann (GFZ Helmholtz Centre for Geosciences) |
| 14:00 | Keynote From Automation to Autonomy: A Drilling Perspective Eric Cayeux (NORCE) |
| 14:30 | Coffee Break & Networking |
15:00 – 16:30
Session 1:
Drilling Technology and Optimization
Chair: Gunter Brenner
(Grosser Saal)
| 15:00 | Percussive and Shearing Drilling Techniques in Crystalline and Hard Rock Formations Jörg Lehr, Laurent Gerbaud et. al. (Clausthal University of Technology, Mines Paris-PSL) |
| 15:30 | Role of IoT in Optimizing Operations in Oil and Gas Sector: A Review Dheeraj Kapoor (Halliburton) |
| 16:00 | New Surface Technology to Enhance Performance and Safety in Slot Recovery Milling Operations Craig Martin (Archer) |
Session 2:
Data, Modeling, Validation and Simulation
Chair: Sebastian Jung
(Celler Saal)
| 15:00 | Observer design for active damping of torsional vibrations Daniel Alexander Piontek (Clausthal University of Technology) |
| 15:30 | Prediction of operational limits regarding bit and BHA configurations considering High-Frequency Torsional Oscillations Felix Arlt (Baker Hughes) |
| 16:00 | Concept for an Open Source Drilling Simulator with focus on education and research Patrick Höhn (Georg-August-Universität Göttingen) |
| 16:30 | Coffee Break & Networking |
17:00 – 18:00
Session 3:
Well Integrity and Completion
Chair: Reiner Homrighausen
(Grosser Saal)
| 17:00 | Successfull Restoration of a Barrier in a Geothermal Well Craig Martin (Archer) |
| 17:30 | Importance of Well Integrity Iogging in P&A Operations Maciej Pawlowski (Weatherford) |
Session 4:
Modeling, Simulation and Drilling Operation
Chair: Gerald Heisig
(Celler Saal)
| 17:00 | Investigating Cutting Transport Dynamics in Drilling Operations Using an Innovative Flow Loop Mohamad Javad Moghadasi (Clausthal University of Technology) |
| 17:30 | Managed Pressure Drilling Benefits to Geothermal and Oil & Gas Drilling Operations Sergio Borges (Beyond Energy Services & Technology Corp) |
| 18:00 | Networking |
| 19:00 | Conference Evening |
Wednesday, 17th September 2025
09:00 – 10:30
Session 5:
Drilling Applications and Case Studies
Chair: Philip Jaeger
(Grosser Saal)
| 09:00 | Geretsried Project Update and Technology Validation Alex Vetsak (Eavor) |
| 09:30 | Weight Monitoring System for Tubing Strings measurement results after 3 years in use on the Storag K 202 cavern Stephan Grosswig, Carsten Braun (EXaL Technology) |
| 10:00 | From Theory to Practice: Rotary Continuous Surveying Case Studies and Key Takeaways Christian Hansen (Baker Hughes) |
Session 6:
Drilling Process Optimization and Drilling Automation
Chair: Matthias Reich
(Celler Saal)
| 09:00 | Numerical Study of Cuttings Transport in Horizontal Wells Using Impulse-Based Method and Signed Distance Fields Hozan Ibrahim (Clausthal University of Technology) |
| 09:30 | Driving Cost-Efficient MPD: Insights from the Evolution of RCD Technology in Complex Drilling Environments Marcos Chavarria (Beyond Energy Services & Technology) |
| 10:00 | Investigating New Methods of Downhole Data Transmission and Its Application Across Accessing Geo-Energy Related Natural Resources Gustavo Henrique Romeu da Silva (São Paulo State University) |
| 10:30 | Coffee Break & Networking |
11:00 – 12:30
Session 7:
Drilling Applications and Case Studies
Chair: Andreas Ruch
(Grosser Saal)
| 11:00 | Reactive Material for Enhancing P&A Applications: Fluid Development, Yard Testing and Field Trial Nils Lummer (Fangmann Energy Services GmbH & Co. KG) |
| 11:30 | Evolving the Ridge Diamond Element: Development and Field Validation of a New Multi-Ridge Three-Dimensional Cutter Xiaoge Gan (SLB) |
| 12:00 | Performance Drilling in Polling Julio Kemenyfy (KEMCO GmbH) |
Session 8:
Drilling Process Optimization and Drilling Automation
Chair: Carsten Freyer
(Celler Saal)
| 11:00 | Integrated Visual Analytics of RSS Drilling Data: Leveraging Automated Insights to Drive Operational Efficiency Rob Brock (Scientific Drilling International) |
| 11:30 | High speed mud pulse telemetry system for versatile operating scenarios including wellbore strengthening and high temperature applications Ole Ohlendorf (Baker Hughes) |
| 12:00 | Practical Recommendations to Improve Drilling Hydraulic Modelling Accuracy to Match Simulated and Measured ECD Values During Drilling of Long Lateral and Extended Reach Wells Sergio Borges (Beyond Energy Services & Technology Corp) |
| 12:30 | Lunch Break & Networking |
13:30 – 15:00
Session 9:
Drilling Equipment
Chair: Reiner Homrighausen
(Grosser Saal)
| 13:30 | The biggest built Drilling Innovation Tower (1630 mt capacity) needs to have a new „home“ Arthur de Mul (Huisman Equiment B.V.) |
| 14:00 | Mobile Rigs Reducing CO2 Footprint George Capatina (Max Streicher) |
| 14:30 | Next generation land drilling rigs further reducing wellbore construction costs – in Latin America and geothermal drilling in Europe alike Ulrich Hahne (Herrenknecht) |
Session 10:
Geothermal Energy
Chair: Erik Feldmann
(Celler Saal)
| 13:30 | Integrative concept of medium depth closed loop geothermal systems based on the thermosyphon principle Carlos Paz, Charalampos Soilemezidis, Kanaan Al Maasarani, Qiaoleiyue Wang, Gunther Brenner, Janine Teelen, Lars Kühl, Philip Jaeger (Clausthal University of Technology) |
| 14:00 | Novel Return Permeability Tests: The Effect of Drilling Additives on Wells for High-Temperature Aquifer Thermal Energy Storage (HT-ATES) Martin van der Schans (KWR) |
| 14:30 | Novel Drilling Fluid for Geothermal Wells Johann Plank (TUM) |
15:15 – 16:45
Visit of Baker Hughes BETA Test Rig in Ahnsbeck
(Registration required, click here for more information)
| 15:15 | Bus transfer to Ahnsbeck |
| 15:30 | Guide Tour at Test Rig |
| 16:30 | Bus transfer back to Congress Union Celle |






