Marine & Offshore

Seven Oceans

Project information

Project Seven Oceans

Croon Marine & Offshore was the electrical system integrator and installation contractor for this new build project at IHC Merwede. The Seven Oceans is a vessel with high-end technology. Building a vessel of this kind requires technological knowhow and experience in building such a complex vessel. The tasks of the Seven Oceans are deepwater rigid reeled pipe lay and construction work. The vessel is also capable of flexlay and was specifically designed for the Atlantic Triangle, comprising West Africa, Brazil and the US Gulf. The Seven Oceans was built at the IHC Merwede yard in the Netherlands as a sister to the Seven Pacific, Seven Seas and Seven Atlantic, all commissioned by SURF contractor Subsea 7.

Croon managed, engineered, integrated, installed and commissioned the
following systems:

  •  Low-voltage system, switchgear, distribution panels
  •  Alarm monitoring and control system
  •  Navigation and external communication system
  •  Telephone, general alarm and public address system
  •  Control desks
  •  Fire detection system
  •  Dynamic positioning system, including positioning reference systems
  •  Complete cabling
Main data
Name Seven Oceans
Type of vessel Rigid Reeled Pipelay Vessel
Delivered in 2007
Length overall 157.3 m
DP 2
Total installed power 21,700 kW
Main crane capacity 400 t
Pipelay capacity 3,500 t
Operation depth 3,000 m