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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.
chokes valves being for machines parts; machine parts in the nature of capping stacks assemblies; power operated drilling risers and riser systems primarily comprised of power operated drilling risers; equipment for assembling coupling risers, namely, mechanical connecting rods for machines; gas diverters consisting of a pump, storage and refilling tank, preheater, vaporizer, recuperator, condenser and valves; mud control systems primarily consisting of pumps and also containing sensors and valves; electronic mud mixing systems primarily consisting of agitation devices, pumps and sensors and also containing valves, pipes and storage containers; power operated rotating control units for drilling; drilling machines in the nature of managed pressure drilling equipment; power-operated drilling mud manifolds; electric drilling mud pumps; machines parts, namely, telescopic joints; power-operated oilfield pipe-handling equipment, namely, catwalk moving walkway, top drives, iron roughnecks; oilfield hydraulic and electrical catwalks; drawworks; top drives for motors; drilling rigs in the nature of rig cellar drilling equipment primarily consisting of rotary drives and rotary tables; oilfield motion compensation equipment in the nature of top-mounted compensators consisting primarily of hydraulic accumulators, valve block skids, air pressure vessels, controls systems of sensors and electronic controls, and air compressors, and also in the nature of tensioners, and heave compensator units; hydraulic power units; power-operated drill floor tools, namely, rotary tables, kelly drives, iron roughnecks, hydraulic catheads, utility winches, and work baskets; stab-in connection systems primarily comprised of connecting rods for machines, motors, and engines and also containing telescopic joints, mechanical and electrical connectors; mechanized labor on a drilling rig, namely, equipment for drill pipe installation; oilfield rig derricks; hoisting equipment for use in drilling, namely, mechanical and pneumatic hoisting apparatus; well intervention packages in the nature of chemical injection systems primarily composed of pumps, machine operated platforms used as storage containers, filters for use as parts of machines, mandrels, nipples, and pipes, and lifting equipment in the nature of equipment for artificially lifting oil and gas from a well that is not flowing naturally; drilling fluid equipment, namely, equipment for drilling mud circulation; rotating equipment, namely, equipment for rotating pipes and tubing; drilling mechanical rotary tables; shale shakers; casing heads for electric drilling equipment; tubing heads for electric drilling equipment; casing hangers for electric drilling equipment; tubing hangers for electric drilling equipment; pneumatic and hydraulic oilfield valve actuators; oilfield seal assemblies for tubular shaft and components, flow control device components, tubular drill strings, wellheads; power-operated running tools in the nature of tubing head and casing head running tools for use in setting process of drilling or to retrieve equipment; electric progressive cavity pumps; oilfield polished connecting rods for machines, motors, and engines for use in drilling; machine stuffing boxes being parts of machines; oilfield artificial lift equipment in the nature of progressive cavity pumps in the nature of positive displacement pumps, horsehead pumps, sucker rods, stuffing boxes in the nature of casings to seal against gas or liquid for machines, and hydraulic and electrical pumping equipment for pumping a liquid or gas into a well; well drilling machines in the nature of fracturing equipment, flow control devices, fracturing trees, fracturing valves, fracturing iron; fracturing manifolds being machines parts; horizontal fracturing trees machines for use in drilling and production; well drilling machines in the nature of fracturing fluid delivery systems primarily consisting of fracturing iron pipe, valves, and flow control equipment and also containing pipes, storage containers, computer hardware, and power controllers; machine parts, namely, ball launchers for use in fracturing operations; machine parts, namely, swivel couplers; drilling equipment for power operated drills, namely, goat heads for use during fracturing; valves for oilfield wellhead machines, namely, gate valves, plug valves, relief valves, ball valves, check valves, safety valves, butterfly valves; parts of oilfield wellhead machines, namely, oilfield wellheads; blending systems primarily consisting of agitators for chemical processing and circulating liquid media and also containing flow computing devices; density trim blender machines for use with petroleum fluids in industrial and commercial applications; viscosity trim blender machines for use with petroleum fluids in industrial and commercial applications; mono-ethylene-glycol (meg) reclamation and regeneration equipment for conducting processes, namely, pretreatment machines for recovered mono-ethylene-glycol (meg), three-phase oil separator vessels, condensate recovery machines, reflux distillation columns equipment, reflux drums, vapor-liquid flash separator machines, hydrocyclones separating devices, divalent salt removal machines, filters for removing solids from recovered mono-ethylene-glycol (meg), and reboilers for providing heat to the bottom of a mono-ethylene-glycol (meg) distillation column, all for hydrocarbon drilling production and processing; gas dehydration equipment for conducting processes, namely, glycol dehydration towers, pipes, hydraulic controllers, all for hydrocarbon drilling production and processing; acid treatment and removal equipment for conducting processes, namely, amine gas treating machines, gas separation membranes filters for use as parts of machines, acid gas removal membrane filters for use as parts of machines, and biodesulfurization machines, all for hydrocarbon drilling production and processing; oil separation equipment for conducting processes for produced water and oil, namely, multiphase oil separation machines, treating machines in the nature of dehydration and desalting electrostatic treaters, treating machines in the nature of distillate treaters, hydrocyclones separating devices and cyclonic oil separation machines, all for hydrocarbon drilling production and processing; dehydration and desalting equipment for conducting processes, namely, high frequency ac desalter machines, treating machines in the nature of electrostatic treaters, and reactor vessels for precipitating out salt crystals, all for hydrocarbon drilling production and processing; solids separation equipment for oilfield and petroleum processes, namely, machines for separating solids from oil and petroleum; carbon dioxide removal equipment for conducting processes, namely, machines for removing carbon dioxide from fluids
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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.
human machine interface (hmi) software for oilfield equipment; coriolis meters; gas turbine meters; petroleum flow meters; ultrasonic meters for measuring fluid flow; cone meters for measuring fluid flow; flow computers; flow totalizers; fluid flow analyzers; software for the automation of oilfield equipment; fluid flow controllers; oilfield equipment connectors in the nature of electrical and mechanical connectors; power and communication systems which provide hydraulic, electrical, or electro-hydraulic control or power for drilling equipment primarily comprised of electrical and hydraulic conduits and also containing computer hardware, hydraulic fluids, hydraulic motors, electric motors, electrical power sources, power controllers, and electrical connectors; oilfield multiplex (mux) control systems primarily consisting of hydraulic and electrical control circuitry and also containing computer hardware, electrical connectors, hydraulic fluids, hydraulic lines, and electrical lines; oilfield equipment monitoring systems primarily comprised of sensors and also containing logic circuitry and alarms; drilling rig control systems primarily consisting of computer hardware and human machine interfaces and also containing computer monitors, electric sensors, electrical lines, electrical connectors, and power controllers; pressure gauges; structural parts for automatic pressure control equipment in the nature of blowout preventer (bop), namely, rams and packers; automatic pressure control machines and instruments for controlling and monitoring drilling equipment; electronic oilfield equipment monitoring sensors