Deepsea Stavanger is a sixth generation deepwater and harsh environment semi-submersible. This unit, along with its sister rig Deepsea Atlantic and Deepsea Aberdeen, is a state-of-the-art dual derrick, dynamic-positioned unit of enhanced GVA 7500 design.
The rig has a state-of-the-art, highly efficient drilling system, which includes a dual derrick with a main and an auxiliary work centre to facilitate a number of simultaneous operations.
The unit is designed for operations in harsh environments and at water depths of up to 3,000 m. The 7,500 mt loading capacity in all operating conditions ensures efficiency, with a reduced need for supply.
The rig has a state-of-the-art, highly efficient drilling system, which includes a dual derrick with a main and an auxiliary work centre to facilitate a number of simultaneous operations. The drilling system has dual active heave compensating drawworks for increased performance, efficiency, safety and redundancy. The rig is designed for worldwide operation and will be especially suitable for development drilling. The rig meets the latest regulatory requirements of Norwegian NMD & PSA/UK HSE & NORSOK.
Year delivered 2010
Type Semi submersible
Design GVA7500 Enhanced
Construction yard DSME, South Korea
Class society DNV
Water depth capacity 3000
Drilling depth capacity 10670
Operating displacement 57,200
Variable deck load 7500
Thrusters 8 ea. Wartsila, 4000 kW
Mooring lines 8
Mud pumps 4. ea NOV 14-P-220
BOP NOV Shaffer 6 ram MUX, 15k
Deck cranes NOV KBC – 100t + 85t
Energy storage Odfjell hybrid