Page 30: of Marine Technology Magazine (May 2022)

RENEWABLES CARBON CAPTURE & STORAGE existing pipelines, with the associated offshore, says Neptune, which is already Opportunities and Brittle Challenges

CO also sequestered and then stored off- planning the H2opZee demonstration Phil Cooper, Subsea and Pipelines 2 shore. project (an initiative of TKI Wind op Zee, Manager, Petrofac, says his company is which is supported by the Dutch govern- involved in various projects looking at

Offshore Hydrogen Production ment). This aims to have a 300-500MW repurposing pipelines for CO and hy- 2

Neptune Energy is busy in this space electrolyser capacity in 2029. drogen reuse. with its PosHYdon and H2opZee proj- The H2opZee could feed into the NO- “The North Sea is really one of many ects. The ? rst is a pilot aimed at gaining GAT (in use since 1992) and the Noord- mature basins where we have a lot of in- experience in integrating energy systems gastransport (in use since the 1970s) frastructure in place that’s coming to the offshore. It will see a 1MW offshore pipelines (24-in. and 36-in. respectively). end of its life for hydrocarbons,” he said. wind powered electrolyzer installed on “There’re made of the same steel the off- “The ? elds they service have depleted, the Q13a-A platform offshore the Neth- shore pipelines are made of which are but there might be a great opportunity erlands sometime next year. Hydrogen now converted into hydrogen backbone,” there to pivot those basins into carbon produced will be fed into an existing said Neptune. “A few years ago, studies sinks rather than carbon sources as we natural gas pipeline into the national grid, showed it can be used for gas molecules, can store CO in the depleted reservoirs.” 2 mixed in with the natural gas. hydrogen molecules or a blend. Recerti- Cooper said transport of hydrogen in

Learnings from this project will feed ? cation is needed and now in process [to pipelines isn’t new. But it comes with into green hydrogen production further do that] for valves etc.” some considerations, such as embrittle-

Neptune Energy’s PosHYdon Pilot Project

Photo courtesy Neptune Energy 30 May/June 2022

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