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 84megawatt cogeneration plant at Primrose As of December 31 2020 the company had total proved crude oil bitumen and NGLs reserves were 10528 million barrels MMbbl total proved plus probable crude oil bitumen and NGLs reserves were 13271 MMbbl proved SCO reserves were 6998 MMbbl total proved plus probable SCO reserves were 7535 MMbbl proved natural gas reserves were 12168 billion cubic feet Bcf and total proved plus probable natural gas reserves were 20249 Bcf 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