Canadian Natural Resources Ltd operates in the Crude petroleum and natural gas sector. Canadian Natural Resources Limited is an independent energy company engaged in the acquisition, exploration, development, production, marketing and sale of crude oil, NGLs, and natural gas production. The Company's principal core regions of operations are western Canada, the United Kingdom sector of the North Sea and Offshore West Africa. The Horizon Oil Sands Mining and Upgrading segment, Horizon oil sands properties (Horizon) produces synthetic crude oil through bitumen mining and upgrading operations. Also within Western Canada, the Company maintains certain midstream activities that include pipeline operations and an electricity co-generation system. Its operations are conducted in three geographic segments: North America, North Sea and Offshore West Africa. On January 6, 2011, the Company suspended synthetic crude oil production at its oil sands mining and upgrading operations. In our complete report available for purchase the company is compared to: Cenovus Energy Incorporation, Encana Corporation and Husky Energy Inc..