MATHENA

Centrifugal pumps; Power-operated oil field equipment, namely, shakers, chokes, degassers, dual mud gas separators, liquid extractors, and gas extractors; Oil field equipment, namely, vent lines; Oil-well pumping machines; Drilling machines and parts therefore; Slurry blender machines for use in oil or gas well hydraulic fracturing operations; Oil field equipment, namely, drilling rig mechanization machines and devices; Oil field equipment, namely, drilling rig mechanical handling machines and devices; Oil field production machines for extracting oil from geological layers and processing hydrocarbons

Electric sensors; Control valves for regulating the flow of gases and liquids; Electronic valves for controlling gas or fluids; Pressure switches and sensors for monitoring, controlling, and switching hydraulic or pneumatic systems; Flow switches for monitoring and controlling the flow of gases or liquids; Electromechanical controls for use in oil and gas drilling machinery and equipment; Electric control devices for use in oil and gas drilling machinery and equipment; Pressure control equipment, namely, blowout preventers, chokes, degassers; Pressure controllers for controlling the pressure of liquid, semi-liquid, and gaseous substances in industrial processes; Air analysis apparatus; Liquid analyzers; Recorded computer software for the operation and control of oil and gas drilling systems, machinery and equipment; Downloadable computer software for the operation and control of oil and gas drilling systems, machinery and equipment; Computer hardware with preinstalled software for the operation and control of oil and gas drilling systems, machinery and equipment

Ignition systems comprised of a gas supply tube with a nozzle and an electrical igniter to create a flame at the nozzle for oil and gas drilling and production operations, including for igniting waste gases being discharged from a well; Separators for the cleaning and purification of liquids; Separators for the cleaning and purification of gases

Rental of oil and gas well drilling tools and equipment; Repair and maintenance of oil and gas well drilling tools and equipment