Description: Oil and gas well drilling, fracturing, stimulation, production and flow processing system components of metal, namely, wellheads, tubing heads, tubing hangers, casing heads, casing hangers and manifolds; manually operated metal flow control valves and parts thereof; chokes of metal for regulating fluid pressures in oil and gas well drilling, fracturing, stimulation, production and flow processing systems; metal pipes, tubulars, pup joints and flowlines; flexible conduits comprising primarily metal parts; metal pipe couplings, connectors, unions and fittings; metal pipe swivel joints; metal articulated frac arms and articulated frac arm manifolds; metal seals and gaskets for connections between oil and gas well drilling, fracturing, stimulation, production and flow processing system components of metal; storage containers of metal; personnel stands of metal | parts of machines for oil and gas well drilling, fracturing, stimulation, production and flow processing systems, namely, christmas trees, wellheads, tubing heads, tubing hangers and casing hangers; pumps being machines for oil and gas well drilling, fracturing, stimulation, production and flow processing; truck, trailer and skid-mounted pumps for oil and gas well drilling, fracturing, stimulation, production and flow processing; manifolds being machines for oil and gas well drilling, fracturing, stimulation, production and flow processing; truck, trailer and skid-mounted manifolds for oil and gas well drilling, fracturing, stimulation, production and flow processing; parts of machines for oil and gas well drilling, fracturing, stimulation, production and flow processing systems, namely, flow control valves, gate valves, plug valves, check valves, and butterfly valves; power operated pneumatic, electric and hydraulic valve actuators; parts of machines for oil and gas well drilling, fracturing, stimulation, production and flow processing systems, namely, pressure relief valves, chokes, choke manifolds, and choke and kill manifolds; hydraulic and electrohydraulic controls for operating oil and gas well drilling, fracturing, stimulation, production and flow processing system components; hydraulic power units; machines for separating oil, gas, water and/or solids from well fluids; machines for separating sand and particulates from well fluids; parts of machines for oil and gas well drilling, fracturing, stimulation, production and flow processing systems, namely, swivel joints, articulated frac arms, and articulated frac arm manifolds; automatic greasing systems for valves; seal assemblies being parts of machines; packoffs being parts of machines | oil well christmas trees in the nature of an assembly of valves, spools, and fittings that control the flow of oil or gas out of a well; fluid flow meters; pressure measuring apparatus in the nature of pressure meters; measuring instruments in the nature of densitometers; viscosity meters for measuring the viscosity of fluids; multiphase meters for measuring individual fluid phases; fluid flow totalizers; fluid flow analyzers; fluid flow controllers; liquid level monitoring systems comprised of computer hardware, downloadable and recorded software, meters and sensors for monitoring liquid levels in oil and gas well drilling, fracturing, stimulation, production and flow processing systems; instruments for the detection of the lower explosive limit of gases, namely, LEL detection systems; pressure sensors; temperature sensors; oil and gas quality sensors; liquid level sensors; flow computers; control valves for regulating fluid flow; pressure relief valves for controlling fluid pressures in oil and gas well drilling, fracturing, stimulation, production and flow processing systems; pressure regulators for regulating fluid pressures in oil and gas well drilling, fracturing, stimulation, production and flow processing systems; electrical controls for oil and gas well drilling, fracturing, stimulation, production and flow processing systems and system components; monitoring systems comprised of computer hardware, downloadable and recorded software, meters and sensors for monitoring oil and gas well drilling, fracturing, stimulation, production and flow processing systems and system components; downloadable and recorded software for the automation of oil and gas well drilling, fracturing, stimulation, production and flow processing systems and system components; electronic automated oil and gas well testing equipment; gas chromatographs; telecommunications hardware and downloadable and recorded software sold as a unit for remote monitoring and data access of oil and gas well drilling, fracturing, stimulation, production and flow processing systems and system components; logging equipment for oil and gas well testing | Personnel trailers; command and control trailers; equipment trailers; manifold trailers | Hydraulic fracturing services; oil and gas well services, namely, well stimulation services; installation, maintenance, repair and refurbishment of oil and gas well drilling, fracturing, stimulation, production and flow processing systems and system components; technical consulting services in the field of oil and gas well drilling, fracturing, stimulation, production and flow processing operations; technical consulting services concerning the installation, maintenance, repair and refurbishment of oil and gas well drilling, fracturing, stimulation, production and flow processing systems and system components; greasing services for oil and gas well drilling, fracturing, stimulation, production and flow processing system components; rental of equipment for oil and gas well drilling, fracturing, stimulation, production and flow processing operations; oil and gas well flow testing services; oil and gas well flowback services; oil and gas well bleed-off services; oil and gas well clean-up services; oil and gas well drill-out services; oil and gas well abandonment services; in-line testing of oil and gas wells; drill stem testing; oil and gas well snubbing services; well control services; oil and gas well swabbing services; acid recovery services for oil and gas wells
