EV Energy Partners, L.P. was a master limited partnership engaged in the acquisition, development, and production of oil and natural gas properties in the United States. The company operated in various regions, including the Barnett Shale, San Juan Basin, Appalachian Basin, Michigan, Central Texas, the Monroe Field in Northern Louisiana, and the Mid–Continent areas in Oklahoma, Texas, Arkansas, Kansas, and Louisiana. As of December 31, 2017, EVEP had estimated net proved reserves of 13.4 million barrels of oil, 543.7 billion cubic feet of natural gas, and 31.6 million barrels of natural gas liquids.