Independent oil and gas producer Devon Energy gets its energy from oil and gas fields primarily in Western North America. It focuses on exploration and production assets in Oklahoma, Texas, Wyoming, and western Canada. In 2015 Devon Energy reported proved reserves of 2.2 billion barrels of oil equivalent. Devon Energy produces about 2.4 billion cu. ft. of of gas equivalent a day (3% of all the gas consumed in North America). It also has midstream and marketing assets. It is the largest producer and lease holder in the Barnett Shale (Texas). In the wake of a major oil market downturn, in 2016 Devon Energy reported a major loss and made plans to cut 20% of its workforce.