Encana Corp was formed in 2002 through the business combination of Alberta Energy Company Ltd. and PanCanadian Energy Corporation. The Company is a North American energy producer that is engaged in developing diverse resource plays producing natural gas, oil and NGLs. It is also engaged in marketing of natural gas, oil and NGLs. The Company's reportable segments are Canadian Division, USA Division and Market Optimization. Canadian Division includes the exploration for, development of, and production of natural gas, oil and NGLs and other related activities within Canada. Resource plays in the division include: Cutbank Ridge in northern British Columbia, Bighorn in west central Alberta, Peace River Arch in northwest Alberta, Clearwater in southern Alberta, and Greater Sierra in northeast British Columbia. USA division includes the exploration for, development of, and production of natural gas, oil and NGLs and other related activities within the U.S. Resource plays in the division include Piceance in northwest Colorado, Jonah in southwest Wyoming, Haynesville in Louisiana, and Texas. Emerging plays in the division include the DJ Niobrara in northern Colorado, the San Juan Basin in New Mexico and the Tuscaloosa Marine Shale in Louisiana and Mississippi. Market Optimization activities are managed by the Midstream, Marketing & Fundamentals team, which is responsible for the sale of the Company's proprietary production and enhancing the associated netback price. Market optimization activities include third party purchases and sales of product to provide operational flexibility for transportation commitments, product type, delivery points and customer diversification. The Company competes with other companies in the industry in the areas such as exploration for and development of new sources of natural gas, oil and NGL reserves, reserves and property acquisitions, transportation and marketing of natural gas, oil, NGLs, diluents and electricity, access to services and equipment to carry out exploration, development and operating activities; and attracting and retaining experienced industry personnel. The Company's operations are subject to laws and regulations concerning pollution, protection of the environment and the handling and transportation of hazardous materials. These laws and regulations generally require the Company to remove or remedy the effect of its activities on the environment at present and former operating sites, including dismantling production facilities and remediating damage caused by the use or release of specified substances.