ekofisk tank in construction ekofisk tank floating out in parts ekofisk ring completed
This structure is a oil storage tank with a outer breakwater ring that applies the principles of a "waterworld ring lagoon" on large scale. Also present the assambly in several modular parts as the structure would be too big for any existing drydock.
This is one of the oldest and most proven floating concrete structures. It was built for the north sea (design wave height 75 feet) and is in use since 1973. No problem no maintenance. The living quaters and installations for the handling are on top ot the tank.