Cenovus Energy
 Cenovus Energy Inc. (pronounced se-nō-vus) is an integrated oil company headquartered in Calgary Alberta.Cenovus was formed on December 1 2009 when Encana Corporation split into two distinct companies: one an integrated oil company (Cenovus) the other a pure play natural gas company (Encana). The split left Cenovus with the assets formerly belonging to PanCanadian Energy Corp. and Alberta Energy Company (AEC) the two Canadian oil and gas companies that merged to form Encana in 2002.