Patterson-UTI Energy, Inc. (PTEN) is a key provider of onshore contract drilling services for oil and natural gas exploration and production companies. Its operations span across the United States and international markets. The company's diverse business model is structured around three primary segments: 1. Contract Drilling Services: This division delivers drilling solutions predominantly in prominent U.S. basins such as West Texas, Appalachia, the Rockies, Oklahoma, and both South and East Texas, alongside operations in Colombia. As of late 2021, its robust fleet comprised 192 marketable land-based drilling rigs. 2. Pressure Pumping Services: Specializing in well site operations, this segment provides a range of pressure pumping services. These include comprehensive well stimulation for new well completions and remedial interventions on existing wells, in addition to hydraulic fracturing, cementing, and acid pumping activities within Texas and the Appalachian region. 3. Directional Drilling Services: This segment focuses on advanced drilling technologies, offering a complete suite of directional drilling and measurement-while-drilling (MWD) services. It also provides the supply and rental of high-performance downhole motors, complemented by specialized software and support services designed to optimize the precision, quality, and drilling efficiency (on-bottom rate of penetration) of directional and horizontal wellbores. Beyond these core offerings, Patterson-UTI also extends equipment maintenance services to drilling contractors. Furthermore, it delivers sophisticated electrical controls and automation solutions to the energy, marine, and mining sectors across North America and other international areas. The company maintains a portfolio of non-operating working interests in oil and natural gas assets, primarily situated in Texas and New Mexico. Established in 1978, Patterson-UTI Energy, Inc. is headquartered in Houston, Texas.