Canadian Natural Resources Limited (CNQ) is an integrated energy enterprise engaged across the full spectrum of upstream and downstream activities related to crude oil, natural gas, and natural gas liquids (NGLs), encompassing acquisition, exploration, development, production, marketing, and sales. Its diverse portfolio of hydrocarbon products encompasses synthetic crude oil (SCO), light and medium crude, bitumen (also known as thermal oil), along with both primary heavy crude oil and specialized Pelican Lake heavy crude. Beyond exploration and production, the company holds midstream and refining assets, notably comprising two crude oil pipeline networks and a half-interest (50% working interest) in an 84-megawatt cogeneration facility situated at Primrose. As of December 31, 2020, CNQ reported substantial reserves. Its proved crude oil, bitumen, and NGLs reserves amounted to 10,528 million barrels (MMbbl), escalating to 13,271 MMbbl when probable reserves are included. Proved synthetic crude oil (SCO) reserves stood at 6,998 MMbbl, with total proved plus probable SCO reserves reaching 7,535 MMbbl. Furthermore, the company's proved natural gas reserves were recorded at 12,168 billion cubic feet (Bcf), expanding to 20,249 Bcf on a proved plus probable basis. Geographically, its operations are concentrated in key regions, including Western Canada, the United Kingdom's North Sea sector, and offshore West Africa. The entity, incorporated in 1973, was originally known as AEX Minerals Corporation before adopting the name Canadian Natural Resources Limited in December 1975. Its corporate headquarters are located in Calgary, Canada.