Patterson-UTI Energy, Inc. is an oilfield services company that primarily owns and operates land-based drilling rigs in the United States and a fleet of pressure pumping equipment. The Company operates through three business segments: Contract Drilling Services, Pressure Pumping Services and Directional Drilling Services. The Contract Drilling Services segment market its contract drilling services to independent oil and natural gas operators. Its Contract Drilling Services segment has marketed approximately 184 land-based drilling rigs in the continental United States and eight in Colombia. The Pressure Pumping Services segment provides pressure pumping services to oil and natural gas operators, primarily in Texas and the Appalachian region. It also provides cementing services through its pressure pumping segment. The Directional Drilling Services segment provides a range of directional drilling services in producing onshore oil and gas basins in the United States.