North Atlantic orders further ultra-deepwater rig

Offshore staff

HAMILTON, Bermuda – North Atlantic Drilling has awarded Jurong Shipyard a $650-million turnkey construction contract to build a new harsh environment semisubmersible drilling rig.

This will be a Moss Maritime CS60 design, N-Class compliant and fully winterized to cope with conditions in the North Atlantic areas, including the Barents Sea. It is schedule for delivery by early 2015.

Moss Maritime C60 is an enhancement of the Moss Maritime CS50E MKII harsh-environment ultra-deepwater semis West Pegasus and West Leo, which Jurong delivered to North Atlantic parent company Seadrill in March 2011 and January 2012.

The new design is suited to water depths of up to 10,000 ft (3,048 m), with a maximum drilling depth of 40,000 ft (12,192 m).

The rig will have DP-3 and complete anchor handling capabilities, and will provide accommodation for up to 150 people while working offshore Norway, although elsewhere its complement will be 180.

To comply with high safety and operational standards, it will be outfitted with a six-ram BOP stack, with capacity for storing and handling of a second BOP.


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