Page 20: of Marine Technology Magazine (May 2008)
Undersea Defense Edition
20 MTR May 2008 vessels
Subsea 7 continues to build its subsea engineering and construction capabilities, last month inaugurating its new state-of- the-art deepwater Flex/J-lay vessel, Seven
Seas. The Seven Seas' pipelay equipment includes a vertical lay system with top ten- sion capability in excess of 400t, combined with a storage capacity for flexible pipe based on two 1250t carousels below deck and a 3000t carousel or multiple reels on deck. The vessel has a 400t deepwater crane, a built-in deepwater ROV spread and a comprehensive survey system. The vertical lay tower is also designed to enable opera- tion in J-lay mode for rigid pipe and the ability to install large structures associated with deepwater riser systems.
Seven Sea's naming ceremony was per- formed by Anabela Fonseca, Board Member of Sonangol, Angola's national oil company.
Seven Seas is designed to perform highly specialized subsea pipe laying, construction and engineering work for the deepwater global offshore oil and gas industry. The vessel was designed and constructed by
Merwede Shipyard in Hardinxveld-
Giessendam, the Netherlands. The flexible pipelay equipment and 400-ton deepwater
Seven Seas Inaugurated
Modern pipelay ship packed with technology
The Seven Seas' pipelay equipment includes a vertical lay system with top tension capability in excess of 400t.
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