Rig: H270 (North Dragon)

Name H270 (North Dragon)
Owner CIMC Raffles
Manager Bluewhale Offshore
Rig Type Semisub
Sub Type Midwater Floater
Jackup Type --
Max Water Depth (ft) 1640
Max Drill Depth (ft) 26245
Dimensions (ft) 350 x 239.8 x 137.7
Leg Length (ft) --
Competitive Yes

Current Location

Country China (PRC)
Region East Asia

Drilling Equipment

Drawworks Type National Oilwell Varco
Drawworks HP 4600
Mud Pumps Type National Oilwell Varco
Top Drive National Oilwell Varco
Hookload Capacity (lbs) 1500000

Rig Construction Details

Rig Design Global Maritime
Rig Model GM-4D
Year Built 2015
Country of Build China (PRC)
Yard Name Yantai CIMC Raffles
Group Yard Name Yantai CIMC Raffles Offshore Ltd.

Rig Contract Details

Operating Status Cold Stacked
Operator --


26 Nov 2015

Grand ceremony for the first of three rigs built by North Sea Rigs

Several hundred people were present at the naming ceremony of North Sea Rig’s first rig, North Dragon, at the CIMC Raffles yard in Yantai, China, today. The rig company and its owners take a long-term perspective, providing rigs for cost efficient, safe and effective operations. North Dragon, Beacon Atlantic and Beacon Pacific all have a design (GM4-D) based on CIMC Raffles’ previous construction projects with rigs adapted for operations in a harsh environment. The concept has also adopted the best elements of new rig projects such as Statoil’s CAT D.

16 Oct 2015

North Dragon Sea Trial

According to a press release on North Sea Rigs website, the North Dragon semisub successfully completed a sea trial on Friday 16 October 2015.

19 Jan 2015

CIMC making progress with 'North Dragon' construction

On 19th January 2015, North Dragon, the North Sea semi-submersible drilling rig being built by CIMC Raffles for North Sea Rigs AS was successfully assembled in Yantai Shipyard. It is the first semi-submersible drilling rig capable of operating in Arctic areas that is being fully constructed in a Chinese shipyard. The North Dragon is designed to operate in water depths of 500 meters, up to 1,200 meters and will be able to drill to depths of 8,000 meters. It is equipped with Rolls & Royce power system, Kongsberg DP3 dynamic positioning system, Siemens electronic control system and NOV drilling system. Drilling section applies offline stand building system, which can connect three Drill-pipes or risers together at the same time of Drilling works going on, and adopts Horizontal automatic Hydraracker design, promoting the drilling efficiency 15%. The rig is being built based on the GM4-D design. CIMC Raffles has completed the basic design together with Global Maritime, with 80% Intellectual Property Rights.

14 Jan 2015

'North Dragon' hull successfully launched

CIMC Raffles (“CIMC”) shipyard in China, has announced that the successful launch of the upper hull of the GM4-D North Dragon semisubmersible drilling rig was completed on 12th January 2015. The under construction unit is being built for North Sea Rigs AS and is the eighth semisubmersible rig being constructed by CIMC in China. Its lower hull was launched on 30th October 2014.

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