Canadian Natural Resources Limited is an independent crude oil and natural gas exploration, development and production company. The Company is engaged in the acquisition, exploration, development, production, marketing and sale of crude oil, natural gas and natural gas liquids (NGLs). Its exploration and production operations are focused in North America, largely in Western Canada; the United Kingdom (UK) portion of the North Sea and Cote d'Ivoire, Gabon, and South Africa in Offshore Africa. The Horizon Oil Sands Mining and Upgrading segment (Horizon) produces synthetic crude oil through bitumen mining and upgrading operations. Within Western Canada, the Company maintains certain midstream activities that include pipeline operations, an electricity co-generation system and an investment in the North West Redwater Partnership (Redwater Partnership), a general partnership formed in the Province of Alberta.