Canadian Natural Resources Ltd. has signed a deal to buy Chevron Canada Ltd.'s interests in the Athabasca Oil Sands Project and Duvernay shale for $6.5 billion US.

Chevron is selling its assets in Athabasca Oil Sands and Duvernay Shale to Canadian Natural Resources for $6.5 billion, the oil giant said on Monday as it puts in motion its divestiture plan. The all-cash deal,

The deal includes Chevron’s 20 per cent interest in the Athabasca Oil Sands Project, and will bring Canadian Natural’s total interest in the operations to 90 per cent