Canadian Natural Resources Limited is an independent crude oil and natural gas exploration, development and production company. The Company's exploration and production operations are focused in North America, mainly in Western Canada; the United Kingdom (UK) portion of the North Sea; and Cote d'Ivoire and South Africa in Offshore Africa. The Company’s exploration and production activities are conducted in three geographic segments: North America, North Sea and Offshore Africa. The Oil Sands Mining and Upgrading segment produces synthetic crude oil through bitumen mining and upgrading operations at Horizon Oil Sands and through its direct and indirect interest in Athabasca Oil Sands Project. Within Western Canada, in the Midstream and Refining segment, the Company's activities include pipeline operations, an electricity co-generation system and an investment in the North West Redwater Partnership, a general partnership formed to upgrade and refine bitumen in the Province of Alberta.