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4
Industrial oils and greases; lubricants; dust absorbing, wetting and binding compositions; fuels (including motor spirit) and illuminants; candles and wicks for lighting.
industrial greases
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6
Common metals and their alloys; metal building materials; transportable buildings of metal; materials of metal for railway tracks; non-electric cables and wires of common metal; ironmongery, small items of metal hardware; pipes and tubes of metal; safes; goods of common metal not included in other classes; ores.
oil and gas well drilling, fracturing, stimulation, production and flow processing system components of metal, namely, christmas trees, wellheads, tubing heads, tubing hangers, casing heads and casing hangers; manifolds; manually operated metal flow control valves and parts thereof; chokes of metal; metal pipes, tubulars, pup joints and flowlines; flexible conduits comprising metal parts; metal pipe couplings, connectors, unions and fittings; pipe swivel joints; articulated frac arms; articulated frac arm manifolds; metal seals and seal assemblies; storage containers of metal; personnel stands of metal
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7
Machines and machine tools; motors and engines (except for land vehicles); machine coupling and transmission components (except for land vehicles); agricultural implements other than hand-operated; incubators for eggs.
oil and gas well drilling, fracturing, stimulation, production and flow processing system components, namely, christmas trees, wellheads, tubing heads, tubing hangers and casing hangers; pumps and parts and subassemblies thereof; truck, trailer and skid-mounted pumps; manifolds and parts and subassemblies thereof; truck, trailer and skid-mounted manifolds; flow control valves; gate valves, plug valves, check valves, butterfly valves; power operated valve actuators; pressure relief valves; chokes; choke manifolds; choke and kill manifolds; electrical, hydraulic, and electro-hydraulic controls for operating oil and gas well drilling, fracturing, stimulation, production and flow processing system component; hydraulic power units; separation equipment for separating oil, gas, water and/or solids from well fluids; desanders, namely, separation equipment for separating sand and particulates from well fluids; swivel joints; articulated frac arms; articulated frac arm manifolds; automatic greasing systems for valves; seal assemblies; packoffs
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9
Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; apparatus for recording, transmission or reproduction of sound or images; magnetic data carriers, recording discs; automatic vending machines and mechanisms for coin-operated apparatus; cash registers, calculating machines, data processing equipment and computers; fire-extinguishing apparatus.
fluid flow meters; pressure meters; densitometers; viscosity meters; multiphase meters; flow totalizers; fluid flow analyzers; fluid flow controllers; liquid level monitoring systems and system components; lel detection systems and system components; pressure sensors; temperature sensors; oil and gas quality sensors; level sensors; flow computers; control valves for regulating fluid flow; pressure relief valves; pressure regulators; electrical, hydraulic, and electro-hydraulic controls for oil and gas well drilling, fracturing, stimulation, production and flow processing systems and system components; monitoring systems for oil and gas well drilling, fracturing, stimulation, production and flow processing systems and system components; software for the automation of oil and gas well drilling, fracturing, stimulation, production and flow processing systems and system components; automated oil and gas well testing equipment; gas chromatographs; remote monitoring and data access systems for oil and gas well drilling, fracturing, stimulation, production and flow processing systems and system components; logging equipment for oil and gas well testing
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12
Vehicles; apparatus for locomotion by land, air or water.
personnel trailers; command and control trailers; equipment trailers; manifold trailers
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37
Building construction; repair; installation services
hydraulic fracturing services; 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