Canadian Natural Resources Limited acquires, explores for, develops, produces, markets, and sells crude oil, natural gas, and natural gas liquids (NGLs). The company offers synthetic crude oil (SCO), light and medium crude oil, bitumen (thermal oil), primary heavy crude oil, and Pelican Lake heavy crude oil. Its midstream and refining assets include two crude oil pipeline systems; and a 50% working interest in an 84-megawatt cogeneration plant at Primrose. It operates primarily in Western Canada; the United Kingdom portion of the North Sea; and Offshore Africa. 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.