Page 20: of Marine Technology Magazine (May 2008)

Undersea Defense Edition

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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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Marine Technology

Marine Technology Reporter is the world's largest audited subsea industry publication serving the offshore energy, subsea defense and scientific communities.