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Sembcorp to build new ultra-deepwater rig for North Atlantic drilling Ltd

Oilfield Technology,

Sembcorp Marine has won a US$ 568 million contract to build an ultra-deep semi-submersible rig for North Atlantic Drilling Ltd.

The new rig will be constructed based on the Moss Maritime CS60 design – an enhancement of the Moss Maritime CS50E MKII harsh-environment ultra-deepwater semi-submersible rigs West Pegasus and West Leo. Delivery is scheduled no later than the first quarter of 2015.

This new ultra-deepwater harsh-environment semi-submersible rig will be built for a water depth rating of 10,000 ft with a maximum drilling depth of 40,000 ft. It will be an N-Class compliant 6th generation rig capable of maintaining position dynamically in deepwater and with thruster assisted mooring in shallow water in the North Sea and the Barents Sea. The rig is also engineered and winterised to carry out year-round drilling operations in such areas.

Mr Don Lee, Jurong Shipyard’s Senior General Manager of Offshore Division, said, “We are very pleased to partner with North Atlantic Drilling in their drive to be the leading harsh environment drilling company with high-quality premium drilling rigs."

Adapted from press release by Peter Farrell

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