COSL posts $1.7bn loss on massive impairments

China Oilfield Services Limited (COSL) has reported a loss of RMB11.46bn ($1.66bn) in 2016 due mainly…

COSL files claim of $15m against Statoil over rig chartering contract

COSL Offshore Management, subsidiary of COSL Drilling Europe, has filed a statement of claim to Oslo’s…

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