Patterson-UTI Energy Inc.

Patterson-UTI Energy, Inc., through its subsidiaries, provides onshore contract drilling services to major and independent oil and natural gas operators in the United States and Canada. The company's Contract Drilling segment markets its contract drilling services primarily in Texas, southeastern New Mexico, northern Louisiana, Colorado, Wyoming, North Dakota, Oklahoma, Pennsylvania, Ohio, West Virginia, and western Canada. As of December 31, 2016, this segment had a drilling fleet of 202 marketable land-based drilling rigs. Its Pressure Pumping segment offers pressure pumping services that consist of well stimulation and cementing for the completion of new wells and remedial work on existing wells, as well as hydraulic and nitrogen fracturing, cementing, and acid pumping services in Texas and the Appalachian region. Patterson-UTI Energy, Inc. also manufactures and sells pipe handling components and related technology to drilling contractors in North America and other markets; and owns and invests in oil and natural gas assets as a non-operating working interest owner located principally in Texas and New Mexico. Patterson-UTI Energy, Inc. was founded in 1978 and is headquartered in Houston, Texas.