Basic Energy Services, Inc. provides a range of well site services to oil and gas drilling and producing companies. The Company operates in four business segments: well servicing, fluid services, completion and remedial services, and contract drilling. Well servicing segment encompasses a range of services performed with a mobile well servicing rig. Through the fluid services segment, it provides, transports, stores and disposes of a variety of fluids, and provides well site construction and maintenance services. The completion and remedial services segment provides pressure pumping services focused on cementing, acidizing and fracturing services. Contract drilling segment operates nine drilling rigs and related equipment. On January 28, 2008, it acquired Xterra Fishing and Rental Tools Co. On September 26, 2008, it acquired substantially all of the operating assets of Azurite Services Company, Inc., Azurite Leasing Company, LLC and Freestone Disposal, L.P. (collectively, Azurite).