Encana Corp is a Canada-based energy producer, which is engaged in the business of exploration, development, production and marketing of natural gas, oil and natural gas liquids (NGLs). The Company's operations also include the marketing of natural gas, oil and NGLs. All of its reserves and production are located in North America. The Company operates through three segments: Canadian Operations, USA Operations and Market optimization. The Company's Canadian Operations segment includes the exploration for, development of, and production of natural gas oil and NGLs and other related activities within Canada. USA Operations include the exploration for, development of, and production of natural gas, oil and NGLs, and other related activities within the United States. Market Optimization segment is responsible for the sale of the Company's production and managing the associated netback price. Market Optimization sells the Company's upstream production to third-party customers.