Changes

Devon’s oil and gas operations in the United States are focused in four regions: Rocky Mountains, Mid-Continent, Permian Basin, and Gulf Coast. Each of the four regions include producing fields and undrilled locations, with Devon continuing its exploration activities for both conventional and unconventional oil and gas.The Mid-Continent regions are home to two significant shale plays, the Cana Woodford Shale and Devon’s largest producing field, the Barnett Shale.<ref>[ http://www.dvn.com/Operations/Pages/us.aspx?view=usaovr "U.S. operations,"] Devon Energy, accessed Sep 2013.</ref>

The company also has operations in Canada, which it describes as "almost evenly split between liquids and natural gas, [and] comes from conventional and shale gas resources in addition to cold-flow and thermal heavy oil resources."<ref>[ http://www.dvn.com/Operations/Pages/canada.aspx?view=canovr "Canada operations,"] Devon Energy, accessed Sep 2013.</ref>