Subsea 7's Seven Atlantic Launches in Netherlands

On Friday, July 18, 2008, Diving Support Vessel Seven Atlantic was launched at the IHC Merwede yard in Hardinxveld Giessendam, the Netherlands. The vessel is under construction for Subsea 7, one of the world’s leading engineering and construction companies. Before launch the Seven Atlantic was named by Hanne Reymert, wife of Didrik Reymert, Project Engineering Manager, EP Europe, Shell UK Limited.

The Seven Atlantic has been designed by Merwede Shipyard in close liaison with Subsea 7 and the dive spread manufacturer. It is a fully Dynamic Positioned Diving Support / Offshore Construction Vessel, suitable for worldwide operations.

The introduction of this DSV to the market will provide Subsea 7 with one of the most versatile and advanced diving vessels currently available. The vessel has been built in accordance with the Rules and Regulations of Lloyd’s Register.

The vessel has been designed for saturation and air diving support work. The integrated saturated diving system is accommodated in the midships of the vessel and is suitable for a total capacity of 24 divers; 8 diving teams, each consisting of 3 divers. The dive system is designed for operations in water depths of up to 350 meters.

Twin air dive stations, twin observation class ROV deployment system are integrated in the vessel. In addition the vessel has an extensive Scale Squeeze system for well treatment and will be capable of carrying a 3000 ton carousel, work class ROVs and a twelve (12) meter long air diving daughter craft on the aft deck. A clear and useful deck area of 1200 m2 and a 120t crane is provided.

The ship exceeds all current safety standards due to the fact the layout of the 6.6kV integrated electric power generation and propulsion system is for DP3 with triplicate redundancy. The ship has three electro-motor driven fixed pitch propellers in azimuthing nozzles aft. Two retractable Azimuth thrusters are fitted in the forward part of the vessel; one transverse thruster is arranged in a tunnel forward.