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Patterson Drilling Company was founded in 1978 by Cloyce Talbott and Glenn Patterson. UTI Energy was formed in 1986 to purchase Universal Well Services, Union Supply Company, Triad Drilling Company, and International Petroleum Services Company. In 2001, Patterson Drilling acquired UTI Energy and renamed the company Patterson-UTI Energy.
In September 2014, the company acquired Texas-based pressure pumping assets.
In September 2016, the company acquired Warrior Rig.
In April 2017, the company acquired Seventy Seven Energy. The deal included Seventy Seven's affiliates: Great Plains Oilfield Rental, Nomac Drilling (now part of Patterson-UTI Drilling), and Performance Technologies (now part of Universal Pressure Pumping).
In October 2017, the company acquired MS Energy Services (now MS Directional).
In February 2018, the company acquired Superior QC, a provider of software used to improve the accuracy of horizontal wellbore placement.
In October 2018, the company acquired Current Power Solutions, Inc.
In October 2021, Patterson-UTI announced that it completed the acquisition of Pioneer Energy Services.
In September 2023, the company merged with NexTier OFS