Cosco (Qidong) Offshore has delivered the drilling rig 'Sevan Louisiana' to Norwegian offshore energy company Sevan Drilling.
The third Sevan 650 Ultra-Deepwater cylindrical drilling rig the state-owned shipbuilder has built for Sevan Drilling, the 'Sevan Louisiana' measures 99 metres in length overall, 75 metres in breadth, 24.5 metres in depth and with a working depth of 3,800 metres and a drilling depth of 12,000 metres.
