11. Business Segment Information Basic s reportable business segments are Completion and Remedial Services, Fluid Services, Well Servicing, and Contract Drilling. The following is a description of the segments: Completion and Remedial Services: This segment utilizes a fleet of pressure pumping units, air compressor packages specially configured for underbalanced drilling operations, coiled tubing services, nitrogen services, water treatment, cased-hole wireline units, an array of specialized rental equipment and fishing tools, thru-tubing and snubbing units. The largest portion of this business consists of pumping services focused on cementing, acidizing and fracturing services in niche markets. Fluid Services: This segment utilizes a fleet of trucks and related assets, including specialized tank trucks, storage tanks, water wells, disposal facilities, and construction and other related equipment. Basic employs these assets to provide, transport, store and dispose of a variety of fluids, as well as provide well site construction and maintenance services. These services are required in most workover, completion and remedial projects and are routinely used in daily producing well operations. Well Servicing: This business segment encompasses a full range of services performed with a mobile well servicing rig, including the installation and removal of downhole equipment and elimination of obstructions in the well bore to facilitate the flow of oil and natural gas. These services are performed to establish, maintain and improve production throughout the productive life of an oil and natural gas well and to plug and abandon a well at the end of its productive life. Well servicing equipment and capabilities such as Basic s are essential to facilitate most other services performed on a well. This segment also includes the manufacturing, refurbishment and servicing of mobile well servicing rigs and associated equipment. Contract Drilling: This segment utilizes drilling rigs and associated equipment for drilling wells to a