Deepsea Yantai is a GM4D harsh environment design and is Odfjell Drilling’s first rig of this design. The unit is designed for operations in harsh environments and at water depths of up to 1,200 m.
The rig has full DP 3 station keeping and is ready for full mooring spread for operations in water depths of 70 to 1200 metres.
The rig has full DP 3 station keeping and is ready for full mooring spread for operations in water depths of 70 to 1200 metres. The loading capacity is 4,000 mtT in all operating conditions and the rig is fully winterized for operation in all waters including an arctic environment.
The rig has a state-of-the-art, highly efficient drilling system, which includes a 1 ½ derrick with offline capabilities to facilitate a number of simultaneous operations. The drilling system has an active heave compensating drawwork for increased performance, efficiency, safety and redundancy. The rig is designed for worldwide operation and will be especially suitable for operation in harsh environment.
|Construction yard||CIMC Raffles, China|
|Water depth capacity||1200|
|Drilling depth capacity||8500|
|Variable deck load||4000|
|Thrusters||6 ea. Rolls Royce, 4500 kW|
|Derrick||Single + offline|
|Mud pumps||3. ea NOV 14-P-220|
|BOP||NOV Shaffer 5 ram, 15k|
|Deck cranes||NOV lattice boom – 80t|