Seabed-to-surface engineering and construction firm Subsea 7 has received its Seven Arctic and Seven Kestrel vessels after the completion of a substantial and targeted fleet investment programme. 

This programme has led to the addition of six new-build vessels to the Subsea 7 fleet since 2014. 

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Subsea 7 chief operating officer COO John Evans said: “We have one of the most modern, capable and diverse fleets of vessels in our market segment that differentiates our industry leading service. The arrival of Seven Arctic and Seven Kestrel further strengthens our fleet and client offering.

“Seven Arctic delivers an important step change in our subsea construction capability, particularly in ultra-deepwater fields, which pose increasingly technical challenges, whilst Seven Kestrel reinforces our leading diving capabilities.” 

Seven Arctic is a heavy construction flex-lay vessel intended to meet the demands of deepwater and harsh environments.

"Seven Arctic delivers an important step change in our subsea construction capability, particularly in ultra-deepwater fields."

Capable of working at depths of 3,000m, the vessel features a 1,000t offshore crane and a 600t top tension (tiltable) lay system. 

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Seven Kestrel is a modern dive support vessel, which has been certified by DNV-GL. It comprises an 18-man twin-bell saturation diving system rated to 300m water depth. 

Subsea 7 engineers in collaboration with Hyundai Heavy Industries Shipyard in Ulsan, South Korea, and Wärtsilä Ship Design, Norway, constructed the vessels according to high-specifications in order to maximise their efficiency, capacity and running costs.

The two vessels will travel to the North Sea for additional crew familiarisation before beginning operations.