The drilling vessel will be deployed for three years to undertake operations in the US Gulf of Mexico.
The contract will generate total revenue of $677m over the contract period.
Noble Bob Douglas is currently under construction at Hyundai Heavy Industries shipyard in Ulsan, South Korea will be delivered in the fourth quarter of 2013.
Noble Corporation is building three other ultra-deepwater drillships, all the four vessels are based on a Hyundai Gusto P10000 hull design.
The ships are capable of operations in water depths of up to 12,000 ft and offer a variable deck load of 20,000 metric tons.
Noble Corporation said the 210-seat vessel can operate in up to 10,000 feet of water while offering DP-3 station keeping, two complete six-ram BOP systems with multiple parallel activity features.
To be equipped with 165-ton heave compensated construction crane which can allow deployment of subsea production equipment.
The rig will also be equipped with a providing another level of efficiency during field development programs.
Two of the Company’s four ultra-deepwater drillships under are uncontracted and will be delivered in 2014.
