Owner China Oilfield Services Limited (COSL)
Manager China Oilfield Services Limited (COSL)
Rig Type Semisub
Sub Type Ultradeep Water
Jackup Type --
Max Water Depth (ft) 10000
Max Drill Depth (ft) 32800
Dimensions (ft) 374 x 258 x 126.5
Leg Length (ft) --
Competitive Yes

Current Location

Country China (PRC)
Region East Asia

Drilling Equipment

Drawworks Type AKMH Wirth GH 4500 EG
Drawworks HP --
Mud Pumps Type --
Top Drive Aker Maritime Hydraulics DDM-1000-AC-2M
Hookload Capacity (lbs) 2000000

Rig Construction Details

Rig Design Friede & Goldman
Rig Model ExD
Year Built 2011
Country of Build China (PRC)
Yard Name Shanghai Waigaoqiao
Group Yard Name China State Shipbuilding Corporation (CSSC)

Rig Contract Details

Operating Status Ready Stacked
Operator --


16 Jul 2014

CNPC discovers oil & gas shows in disputed drilling area

CNPC’s drilling and exploration operation named the Zhongjiannan project was smoothly completed on schedule on July 15th with the oil & gas shows found. In accordance with the work procedures of deep-sea petroleum exploration and development, a comprehensive assessment of hydrocarbon horizons is to be implemented based on the geological and analytical data collected through the drilling and exploration operation. Next phase arrangements are subject to the aforesaid comprehensive assessment. CNPC started the drilling of two exploratory wells of Zhongjiannan project on May 2nd this year, and finished the drilling of No.1 exploratory well on May 27th. We started drilling No.2 well on May 28th, and the drilling of this well completed today. The drilling was carried out using the ‘HAI YANG SHI YOU 981’ semisub, run by China Oilfield Services Limited (COSL).

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