CNOCC is  next  to  canacol energy (cne) in Colombia's Shale oil region, with Exxon and Shell Already partnered with  Canacol energy!

Nexen Inc. said early Tuesday that the Committee on Foreign Investment in the U.S. has approved CNOOC Ltd.'s $15.1 billion acquisition of Nexen, clearing the last significant hurdle in the deal--China's biggest overseas acquisition of Nexen.

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