Canadian Natural Resources Limited engages in the acquisition, exploration, development, production, marketing, and sale of crude oil, natural gas, and natural gas liquids (NGLs) in Western Canada, the United Kingdom sector of the North Sea, and Offshore Africa. The company offers light and medium crude oil, primary heavy crude oil, Pelican Lake heavy crude oil, bitumen (thermal oil), and synthetic crude oil (SCO). Its midstream assets include two crude oil pipeline systems; and a 50% working interest in an 84-megawatt cogeneration plant at Primrose. The company was formerly known as AEX Minerals Corporation and changed its name to Canadian Natural Resources Limited in December 1975. Canadian Natural Resources Limited was incorporated in 1973 and is headquartered in Calgary, Canada.