Rig: Bo Hai No.4

Name Bo Hai No.4
Owner China National Offshore Oil Corporation
Manager China Oilfield Services Limited (COSL)
Rig Type Jackup
Sub Type Independent Leg Cantilever
Jackup Type Standard
Max Water Depth (ft) 300
Max Drill Depth (ft) 20000
Dimensions (ft) 212 x 210 x 26
Leg Length (ft) --
Competitive Yes

Current Location

Country China (PRC)
Region East Asia

Drilling Equipment

Drawworks Type National Oilwell Varco 1320 UE
Drawworks HP --
Mud Pumps Type --
Top Drive National Oilwell Varco TDS-8SA
Hookload Capacity (lbs) 1260000

Rig Construction Details

Rig Design Robin Lon
Rig Model ETA R300-S
Year Built 1977
Country of Build Japan
Yard Name Innoshima Shipyard
Group Yard Name Hitachi Zosen Corporation

Rig Contract Details

Operating Status Operational
Operator CNOOC

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