Wednesday 21 May | 18:00 – 19:30 hrs
The Warehouse, 13 Theed Street, London, SE1 8ST
Registration – £10 SUT members / £20 non-members (+ VAT)
Hydrogen pipeline design: comparing ASME, IGEM, and DVGW to address embrittlement and material challenges
The fast-developing hydrogen economy requires supporting distribution and storage infrastructure. Hydrogen pipelines can facilitate both purposes. Nevertheless, specific challenges related to hydrogen embrittlement effects on carbon steels and the demanding operating conditions must be addressed at early design stages. This presentation focuses on the hydrogen-specific design guidelines available to date, namely ASME B31.12, IGEM/TD/1 Supplement 2 and DVGW for new and repurposed pipelines. Through a representative example, the differences in design requirements between the two codes for different material selections are shown.
Dr George E Varelis holds a Civil/Structural Engineering degree and a PhD in Computational Mechanics. He has 17 years of work experience in a broad range of sectors, including professional civil/structural engineering, energy-related consulting services and academia. He is currently the Chief Advanced Analysis Engineer and Technology and Innovation Lead for the Pipelines and Subsea group of Worley STS, based in London.
Subsea Hydrogen Pipelines Design, Economic and Safety Challenges
Subsea hydrogen pipelines are becoming important as part of a wider hydrogen transport network. Hydrogen pipelines require additional design criteria and considerations compared to Oil & Gas pipelines. These are largely related to the hydrogen impacts on material properties, material degradation mechanisms and probably most significantly technical safety. Hydrogen subsea pipeline design considerations will be presented covering the technical, economic and safety challenges.
John has over 30 year’s experience in the O&G industry predominantly in subsea pipeline engineering. He has worked at Wood for the last 19 years in many different roles in both the Norway and Perth Australia offices and has had the opportunity to work on many interesting projects. He is now based in the Staines Office with the role of Technical Director in the Consulting service line. His primary focus is to drive continuous improvement in Wood’s designs to help industry meet project challenges, whilst ensuring the quality and safety requirements are always maintained.
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