Members Resources
SUT Events
South Gallery Room 7 & 8
Wednesday 11 March | 09:50-11:20
TECHNICAL CONFERENCE – Application of appropriate site investigation methods have a significant impact on operational safety. Industry guidance documents help promote standards and inform the industry. This session demonstrates two new standards in general site investigation and the specifics of UXO clearance. This is followed by two papers on specific technologies for UXO clearance.
INDUSTRY GUIDANCE AND UXO
Session Chairs:
Andy W. Hill, Marine Geohazards Technical Authority, BP
Karen Dalton, Geophysical Consultant
09:50 – 10:10
IOGP Updated Drilling Hazards Site Survey Guidelines – Andy W. Hill, Chair IOGP Task Force, USA
10:10 – 10:30
SUT UXO Guidelines Publication – Mick Cook, Chair SUT UXO Committee, UK
10:30 – 10:55
Advancing Low-Ferrous UXO Detection: Correlating Magnetic and Electric Field Anomalies on a Multi-Sensor Towed Platform – Florent Aguesse, N-Sea, The Netherlands
10:55 – 11:20
Enabling magnetic and electric field capabilities for marine robotic platforms using rigidly mounted sensors – Matthew Kowalczyk, General Manager, Ocean Floor Geophysics
MARINE GEOLOGY AND GEOPHYSICS
The session will start with the award of the SUT 2025 Mick Cook Award. This is followed by two case studies on specific site investigation problems: identification of possible mobile seabeds and boulder definition. The final paper will look at the evolution of site investigation technology for offshore wind projects.
Session Chairs:
Mick Cook, MRC Consultants
Andy W. Hill, Marine Geohazards Technical Authority, BP
11:30-11:40
SUT Mick Cook Award Ceremony
Mick Cook, Director, MCS Consultancy and Award Winner
11:40-12:05
Quantifying Seabed Change to Define the Non-Mobile Reference Level: Evidence from MBES and High Resolution Seismostratigraphy in the North Sea – Andrea Angioletti, Prysmian
12:05-12:30
Case Study of Wind Farm Site Investigation in Boulder Rich Environments – Jenni Nicholls, EPI Group, UK
12:30-12:55
Advancing Offshore Ground Investigation: A Decade of Innovation for Offshore Wind site characterisation – Johannes Brock, Fraunhofer IWES
SITE INVESTIGATION – MARINE GEOTECHNICS
The two sessions separated by a short 20min break at 14.50 will examine evolving new technologies in Geotechnical site investigation both in field acquisition and in the use of modelling methods for prediction of CPT profiles from seismic data. To wrap up the day a paper looking at the overall challenges – and possible solutions – in site investigation for floating offshore wind will set up time for a floor discussion before the close of the day and the SUT 60th birthday social event.
Session Chairs:
Andy Barwise, Principal Geotechnical Engineer, RWE
Andy W. Hill, Marine Geohazards Technical Authority, BP
14:00-14:25
Tethered to Tradition: Path Dependence in Offshore Geotechnics and the Promise of Remotely Operated Seabed Technologies – David Donaghy, Ocean Infinity
14:25-14:50
Correlation of CPTu Data and PROD Drilling Parameters for Enhanced Offshore Geotechnical Site Investigation – Justin Carpenter, UTEC Geo-services
15:10-15:35
The Use of Predicted Cone Penetration Test Profiles on Monopile Foundation Design for Offshore Wind Turbines – Lennart Siemann, Fraunhofer IWES
15:35-16:00
Challenges and Solutions for Floating Offshore Wind Geotechnical Investigations – Challenges from a developer perspective –Jenni Nicholls, EPI Group
16:00-16:15
Discussion and Close
The SUT 60th anniversary celebration follows this event – please feel free to join us!
Speakers
Andy Hill
Marine Geohazards Technical Authority, Safety and Operational Risk Division, BP
Karen Dalton
Mick Cook
Chair, SUT UXO Special Interest Group
A marine geophysicist by background, Mick worked in the offshore energy sector for 45 years before retiring from commercial activities in 2024. Mick has been a chair, director and non-executive director of many companies and organisations and has had a long involvement with the SUT. He has continued with his voluntary roles in retirement and spends his time keeping fit, maintaining his large garden and watching far too much rugby.
Florent Aguesse
Project Surveyor, N-Sea
Florent Aguesse is a Project Surveyor at N-Sea with over 10 years of experience delivering offshore survey projects, primarily in the North Sea. He acts as a technical focal point for survey operations, with responsibility for equipment selection, mobilisation, and high-quality data acquisition across a range of subsea environments. His work has been predominantly focused on offshore wind developments, while also supporting wider subsea clients. Florent is speaking at Oceanology International to present a newly developed towed sensor platform, created in collaboration with Ocean Floor Geophysics, integrating magnetic and electric field measurements to improve identification of non-ferrous UXO targets.
Matthew Kowalczyk
General Manager, Ocean Floor Geophysics
Since joining in 2014 Matthew has helped develop OFG’s position as a leader in specialized subsea magnetic and electric field sensors that enable robotic platforms for site survey and non-contact infrastructure inspection. While growing into the oil & gas, security, and renewables markets OFG has continued to maintain a strong presence in seafloor minerals exploration. Matthew is a mechanical engineering graduate of the University of British Columbia School of Engineering. At OFG Matthew is surrounded by a team of incredibly smart, creative, dedicated and kind people that have supported the growth of the company and its reputation with its clients.
Jenni Nicholls
Site Investigation Geophysicist, EPI Group
Jenni began working in the industry in 1998, initially as a graduate seismic processor. She has worked globally, both on and offshore in areas such as South America, Gulf of Mexico, North Sea, Baltic Sea, West Africa and Indonesia. Jenni worked her way up to client representative, setting up her own consultancy to provide data processing, data QC and QA. She brings this wealth of technical and commercial knowledge to her role at EPI, working with clients across enabling smooth running of wind farm projects.
Andrea Angioletti
Marine Operational Survey Coordinator, Prysmian
My academic background in geology, complemented by hands-on experience in offshore engineering, GIS data analysis, and geological surveying. I have worked on several projects ranging from offshore cable installation and burial assessment studies to bathymetric and topographic surveys. My role at Prysmian and previous positions have equipped me with a good understanding of geospatial data management and subsurface analysis, which are critical in geological investigations and environmental assessments.
Johannes Brock
Business Developer BU Offshore Wind Energy, Fraunhofer IWES
Johannes Brock is a geoscientist with 15 years of experience driving innovation in the offshore wind industry. His work focuses on the critical interface between wind farm development, soil behaviour, and subsurface conditions. He has contributed to the advancement of sensor technologies for cable repair and burial and brings extensive hands-on expertise in offshore geophysics. Today, Johannes is part of the Fraunhofer IWES Offshore Wind Energy team, where he supports industry partners as Business Developer for wind measurement, subsurface investigation, and foundation-related solutions.
Justin Carpenter
Sales & Business Development Director, UTEC Geo-Services
Justin Carpenter is a Sales & Business Development Director with UTEC Geo-Services specializing in delivery of customer-focused offshore geotechnical solutions for the energy sector. With knowledge and expertise in offshore site investigation, laboratory testing and reporting, and engineering and design, he drives commercial strategies for complex offshore projects, including fixed and floating wind farms and deepwater oil & gas developments. Justin partners with operators and developers to deliver integrated geotechnical services that optimize safety, cost, and performance across challenging seafloor conditions and metocean environments. His focus on innovation and data-driven methodologies ensures reliable outcomes for offshore projects.
Lennart Siemann
Senior Researcher, Fraunhofer IWES
Lennart Siemann works as senior researcher in business unit offshore wind energy at Fraunhofer Institute for Wind Energy Systems (Fraunhofer IWES). In the group of integrated ground modeling, he is responsible for the management and execution of research and industry projects. His focus lies in the integration of geotechnical and seismic to create data-driven ground models for offshore windfarm areas. Before joining Fraunhofer IWES, Lennart studied Geosciences at the University of Bremen, Germany and was working for several years at the Institute for Geotechnical Engineering at the University of Hanover, Germany.
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