Owner China Oilfield Services Limited (COSL)
Manager China Oilfield Services Limited (COSL)
Rig Type Jackup
Sub Type Independent Leg Cantilever
Jackup Type High-Specification
Max Water Depth (ft) 400
Max Drill Depth (ft) 30000
Dimensions (ft) 229 x 223 x 31
Leg Length (ft) 536
Competitive Yes

Current Location

Country China (PRC)
Region East Asia

Drilling Equipment

Drawworks Type National Oilwell Varco SSGD-750
Drawworks HP 4600
Mud Pumps Type --
Top Drive National Oilwell Varco TDS-8SA
Hookload Capacity (lbs) 2000000

Rig Construction Details

Rig Design Gusto MSC
Rig Model CJ50-X120-E
Year Built 2016
Country of Build China (PRC)
Yard Name Mazou Island
Group Yard Name China Merchants Industry Holdings Co., Ltd. (CMIH)

Rig Contract Details

Operating Status Operational
Operator China Oilfield Services Limited (COSL)


30 May 2014

'HAI YANG SHI YOU 944' construction begins in China

China Oilfield Services Limited (COSL), has announced that construction of its 400-feet jack-up rig ‘HYSY944’, which was ordered in 2013, commenced recently at China Merchants Heavy Industry Company’s shipyard after completing the design and procurement stages. The ‘HYSY944’ is expected to complete construction and be delivered towards the end of 2015. ‘HYSY944’ adopted the CJ50-X120-F hull designed by GUSTO MSC. It is a cutting-edge high-end jackup rig widely recognized in the international market. It is designed to operate at water depths of 400ft and is capable of performing drilling operations at depths of up to 30,000ft. Distinguished from the other existing jack-up rigs, ‘HYSY944’, with its large pile shoe design, meets the operation requirements in some soft-crust regions, where more drilling depths are required. This will help enhance COSL's equipment competitiveness.

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