Oil and gas well completion services, namely, installation, maintenance, and repair of oilfield completion equipment; oil and gas well servicing, namely, flowback services for managing well pressure, recovering well fluids, and supporting well control operations; rental of oilfield equipment, namely, flowback tanks, separators, manifolds, plug valves, high-pressure iron, test pumps, hydraulic wrenches, and pressure-control equipment for use in oil and gas well completion and production operations; installation, maintenance, and repair of oil and gas well pressure-control equipment; oilfield services, namely, solids-control services in the nature of operating wellsite equipment to separate sand and solids from fluids during oil and gas well completion and production operations

Oil and gas well treatment services; treatment of oilfield fluids; custom blending of oilfield chemicals for others; custom manufacture of oilfield chemicals and specialty completion fluids for others; filtration services for oilfield fluids; treatment of oilfield fluids, namely, separating sand, solids, and contaminants from well fluids; technical consulting in the field of oil and gas production and processing

Oil well testing; performing oil well diagnostics; chemical analysis services in the field of oilfield fluids; quality control services for others in the field of oil and gas well completion and production operations; technical consulting in the field of oilfield engineering, namely, selection, design, and optimization of specialty fluids, flowback systems, solids-control systems, and pressure-testing systems for oil and gas wells