Canadian Natural Resources Ltd is an energy company engaged in the acquisition, exploration, development, production, marketing and sale of crude oil, NGLs and natural gas. The Company�s principal core regions of operations are western Canada, the UK sector of the North Sea and Offshore Africa. The Company�s business produces namely: natural gas, light and medium crude oil, primary heavy crude oil, Pelican Lake heavy crude oil, bitumen (thermal oil), SCO and NGLs. Virtually all of the Company�s natural gas and NGLs production is located in the Canadian provinces of Alberta, British Columbia and Saskatchewan and is marketed in Canada and the United States. At December 31, 2013, the company gross crude oil, bitumen (thermal oil), SCO and NGLs reserves totaled 4,420 MMbbl, and gross plus probable crude oil, bitumen (thermal oil), SCO and NGLs reserves totaled 6,973 MMbbl, the company gross natural gas reserves totaled 4,305 Bcf.