Spencer Armour

Basic Energy Services, Inc. engages in the provision of well site services to oil and natural gas drilling and producing companies. It operates its business through the following segments: Completion and Remedial Services, Well Servicing and Water Logistics. The Completion and Remedial Services segment utilizes coiled tubing services, air compressor packages specially configured for underbalanced drilling operations, an array of specialized rental equipment and fishing tools, thru-tubing, and snubbing units. The Well Servicing 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. The Water Logistics segment focuses on the fleet of trucks and related assets, including specialized tank trucks, storage tanks, water wells, disposal facilities water treatment, and related equipment. The company was founded in 1992 and is headquartered in Fort Worth, TX.

ProPetro Services, Inc. engages in the provision of oil and gas well drilling, stimulation, cementing, and coiled tubing services. The company was founded by Thomas E. Kelly and Dale Redman and headquartered in Midland, TX.

Sledge Drilling Holding Corp. operates oil drilling rigs. The firm's services include well, fluid, drilling, completion, and well site construction services. The company is located in Midland, TX.

Part of Ranger Energy Services, Inc., Sledge Drilling Corp. is an American company that specializes in drilling oil and gas wells. The private company is based in TX. The company was founded by Spencer D. Armour.

Part of Patterson-UTI Energy, Inc., Lone Star Mud, Inc. is a private company that produces oil field drilling fluids. The company is based in Midland, TX. The company was founded by Spencer D. Armour. Lone Star Mud was acquired by Patterson-UTI Energy, Inc. on January 07, 1998 for $9.43 million.

Ambar Lone Star Fluid Services LLP provided drilling and completion fluids. It offered proprietary water, diesel and synthetic based drilling fluids and completions products used during the drilling and completion phase of wellbore construction. The firm also offered rental equipment that included pre-mix tanks, pumps and compressors, frac tanks, dry bulk tanks, dust collectors, hoses, hoppers and liquid tote tanks for drilling needs. The company was headquartered in Lafayette, LA.