SM Energy Co. is an independent energy company. Co. is engaged in the acquisition, exploration, development, and production of oil, gas, and natural gas liquid (NGL) in the state of Texas. Co.'s asset portfolio is comprised of assets in the Midland Basin of West Texas and in the Maverick Basin of South Texas. Co.'s Midland Basin assets are located in the Permian Basin in West Texas and are comprised of approximately 110,000 net acres and include its RockStar assets in Howard and Martin Counties, Texas, its Sweetie Peck assets in Upton and Midland Counties, and Klondike assets in Dawson and northern Martin counties (Midland Basin).