Patterson-UTI Energy, Inc.

Patterson-UTI Energy, Inc. provides onshore contract drilling services to major and independent oil and natural gas operators in the continental United States, Alaska and western and northern Canada. It also provides pressure pumping services to oil and natural gas operators primarily in Texas and the Appalachian Basin. The company operates its business through three segments: Contract Drilling, Pressure Pumping Services and Oil and Natural Gas Properties. The Contract Drilling segment markets its services to major and independent oil and natural gas operators. The Pressure Pumping segment provides pressure pumping services to oil and natural gas operators primarily in Texas and the Appalachian Basin. The Oil and Natural Gas segment owns and invests in oil and natural gas assets as a non-operating working interest owner. The Company's oil and natural gas interests are located primarily in Texas and New Mexico. Patterson-UTI Energy was founded by Cloyce A. Talbott and A. Glenn Patterson in 1978 and is headquartered in Houston, TX.