Patterson-UTI Energy, Inc. engages in the provision of drilling and pressure pumping services, directional drilling, rental equipment, and technology. It operates through the following segments: Drilling Services, Completion Services, and Drilling Products. The Drilling Services segment represents contract drilling, directional drilling, oilfield technology, and electrical controls and automation businesses. The Completion Services segment offers hydraulic fracturing, wireline and pumping, completion support, cementing, and pressure pumping business. The Drilling Products segment focuses on manufacturing and distribution of drill bits business. The company was founded by Cloyce A. Talbott and A. Glenn Patterson in 1978 and is headquartered in Houston, TX.