Basic Energy Services, Inc. provides well site services to oil and natural gas drilling and producing companies in the United States. Its Completion and Remedial Services segment offers pumping services, such as cementing, acidizing, fracturing, nitrogen, and pressure testing; rental and fishing tools; coiled tubing; snubbing services; thru-tubing; cased-hole wireline services; and underbalanced drilling in low pressure and fluid sensitive reservoirs. This segment operates 281 pumping units; and 47 air compressor packages. The company's Fluid Services segment is involved in the transportation of fluids; production of salt water; sale and transportation of fresh and brine water; rental of portable fracturing and test tanks; recycling and treatment of wastewater; operation of fresh water and brine source wells, and non-hazardous wastewater disposal wells; and preparation, construction, and maintenance of access roads, drilling locations, and production facilities. As of December 31, 2016, this segment owned and operated 940 fluid service trucks with an average fluid hauling capacity of up to 150 barrels apiece; and owned 86 salt water disposal facilities. Its Well Servicing segment provides services performed with a mobile well servicing rig and ancillary equipment, such as maintenance work, hoisting tools and equipment required by the operation, and plugging and abandonment services, as well as manufactures and sells workover rigs. As of December 31, 2016, this segment operated a fleet of 421 well servicing rigs. Its Contract Drilling segment employs drilling rigs and related equipment to penetrate the earth to a desired depth and initiate production. This segment owns and operates 12 land drilling rigs. The company was formerly known as Sierra Well Service, Inc. and changed its name to Basic Energy Services, Inc. in 2000. Basic Energy Services, Inc. was founded in 1992 and is headquartered in Fort Worth, Texas.