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Tenaris and IGI Poseidon advance Offshore H₂ testing

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IGI Poseidon, 12/2024​

Tenaris and IGI Poseidon, a joint venture between Greece’s DEPA International Projects and Italy’s Edison S.p.A., have joined forces to advance thehydrogen transportation via ultra-deep offshore pipelines. ​

This collaboration aims to tackle two main challenges: safely conveying hydrogen under severe conditions and ensuring economic competitiveness ofthe transmission costs.​

The joint initiative, launched in 2024, involves rigorous testing of high-strength material (X70) and girth welding under high-pressure conditions, simulating the transport of pure hydrogen via the same offshore pipelines IGI Poseidon already designed for natural gas.​

The qualification of the pipeline is being carried out in specialized laboratories in Italy and in the US, with a focus on fracture toughness testing onthe material under various pressure levels, up to 330 bar, in line with the latest industry guidelines. This will provide a reliable assessment of the impact of increasing pressure in pipeline transporting 100% hydrogen, helping to define the operational conditions for hydrogen readiness. ​

Source: Press Release https://igi-poseidon.com/el/press-releases/​

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“Our target in IGI Poseidon has always been about developing and realizing infrastructures to provide diversified and competitive energy for the future”. This partnership is a natural extension of our vision that is evolving in order to contribute to Europe’s ambitious climate goals”. 

Fabrizio Mattana, CEO at IGI Poseidon

“This collaboration is a significant step towards realizing a sustainable energy future. By combining our expertise with Tenaris advanced materials technology, we are reinforcing our commitment into hydrogen transportation and innovation».

Konstantinos Xifaras, Chairman of the Board at IGI Poseidon
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Ravenna, Italy 04/2025

 

Initial findings from the tests conducted by Tenaris and IGI Poseidon, were presented at the OMC Med Energy Conference in Ravenna, Italy in April 2025.

 

The section titled: “Fracture Resistance Testing Under High-Pressure Hydrogen for Offshore Pipeline Applications”, was presented by speakers:
Darcis Philippe – Tenaris Dalmine and Restelli Matteo – IGI Poseidon.Authors in this study were: Cristea Mihaela Eliza – Tenaris Dalmine I Darcis Philippe – Tenaris Dalmine I Crippa Stefano – Tenaris Dalmine I Paravicini Bagliani Emanuele – Tenaris Dalmine I Restelli Matteo – IGI Poseidon I Capelli Stefano – IGI Poseidon I Fanelli Marta – IGI Poseidon I Stamatopoulou Vasiliki – IGI Poseidon I Kominis Alkis – IGI Poseidon I Antoniou Despoina – IGI Poseidon. ​

 

Source: https://www.omc.it/en/