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ZENODO
Report . 2025
License: CC BY
Data sources: ZENODO
ZENODO
Report . 2025
License: CC BY
Data sources: Datacite
ZENODO
Report . 2025
License: CC BY
Data sources: Datacite
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D1b.2 Repurposing protocol offshore pipelines for hydrogen transport

Authors: Monsma, Victoria; Robinson, M.; Simms, M.; Hoffman, T.; Illson, T.; Anjum, U.;

D1b.2 Repurposing protocol offshore pipelines for hydrogen transport

Abstract

Existing North Sea pipeline infrastructure has been designed for transporting natural gas. As oil and gas activities decline, North Sea pipelines and platforms can be repurposed for hydrogen production and distribution. By converting excess renewable electricity from offshore wind farms into hydrogen through electrolysis, existing gas pipelines can transport this clean energy source. Therefore, there is a critical need to develop specific guidelines and standards for the safe and efficient repurposing of offshore natural gas pipelines for hydrogen transport. Reusing offshore infrastructure for hydrogen service presents several challenges. One of the primary issues is the lack of a universally accepted design standard for hydrogen transport in offshore pipelines. While design codes such as the NEN 3650 series, ASME B31.12 (soon to be merged into ASME B31.8), and DVGW G409 and G464 exist for land-based pipelines, they cannot be directly applied to offshore pipelines due to the unique environmental loads and conditions these structures face. To address this gap, DNV is currently developing a recommended practice, DNV RP-F123 "Design and Operation of Hydrogen Pipelines." This guideline aims to provide a comprehensive framework for the safe and reliable design, construction, operation and re-qualification, of pipelines dedicated to hydrogen gas transportation. As part of this effort, this report provides a detailed protocol based on the latest DNV service specification, DNV-SE-0657. The purpose of DNV-SE-0657 is to establish a consistent approach and methodology for re-qualifying pipeline systems intended for CO2 and hydrogen transport. The proposed re-qualification process involves a series of compliance checks and assessments designed to ensure that pipeline systems meet current safety, regulatory, and operational standards. Dit project is medegefinancierd door TKI Nieuw Gas | Topsector Energie uit de PPS-toeslag onder referentienummer TKI2023-HyDelta.

De leidinginfrastructuur in de Noordzee is oorspronkelijk ontworpen voor het transport van aardgas en wordt gereguleerd door een reeks industriële standaarden en lokale voorschriften die de constructie en operatie van deze systemen beheren. Het hergebruik van offshore-infrastructuur voor waterstoftransport vormt verschillende technische uitdagingen. Een van de belangrijkste kwesties is het ontbreken van ontwerpnormen voor waterstoftransport in offshore-pijpleidingen. Hoewel er ontwerpcodes bestaan, zoals de NEN 3650-serie, ASME B31.12 (binnenkort samengevoegd met ASME B31.8) en DVGW G409 en G464 voor landgebonden pijpleidingen, kunnen deze niet direct worden toegepast op offshore-pijpleidingen vanwege de unieke operationele omstandigheden waaraan deze structuren blootstaan.Om dit probleem aan te pakken, ontwikkelt DNV momenteel DNV RP-F123 "Design and Operation of Hydrogen Pipelines." Dit document is bedoeld om een holistisch kader te bieden voor het veilige, betrouwbare ontwerp, de constructie, de exploitatie en de herkwalificatie van pijpleidingen die specifiek bestemd zijn voor waterstoftransport.Als onderdeel van deze ontwikkeling presenteert dit rapport een gedetailleerd protocol op basis van de meest recente servicespecificatie DNV-SE-0657. Het voorgestelde herkwalificatieproces omvat een reeks compliance-controles en beoordelingen die ervoor zorgen dat pijpleidingsystemen voldoen aan de geldende veiligheidsnormen, regelgeving en operationele eisen Dit project is medegefinancierd door TKI Nieuw Gas | Topsector Energie uit de PPS-toeslag onder referentienummer TKI2023-HyDelta.

Related Organizations
Keywords

natural gas, offshore, hydrogen, transport, repurposing, requalification, protocol, hydelta, pipelines

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
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