Ring Energy, Inc. acquires, explores for, develops, and produces oil and natural gas in Texas and Kansas, the United States. As of December 31, 2016, its proved reserves consisted of approximately 27.7 million barrel of oil equivalent. The company also owns interests in 32,663 net developed and undeveloped acres in Andrews and Gaines counties, and 20,490 net developed and undeveloped acres in Reeves and Culberson counties, Texas; and 14,549 net developed and undeveloped acres in Kansas. It primarily sells its oil and natural gas production to end users, marketers, and other purchasers. The company was formerly known as Transglobal Mining Corp. and changed its name to Ring Energy, Inc. in March 2008. Ring Energy, Inc. was founded in 2004 and is headquartered in Midland, Texas.