7 Mechanized oil and gas well drilling and oil field instruments and equipment, namely, coiled tubing equipment, namely, injectors, [ tubing reels,] hydraulic power packs, and control cabins; [ wireline tools and ]equipment, namely, wireline rods, [ wireline couplers, ] wireline units, wireline valves, hydraulic valves, flow diverters, pulleys being parts of machines for use in wireline slickline, and/or logging operations in the oil and natural gas industries; spooling units for spooling wire and cable; wellhead control units, namely, hydraulic control units, grease control units, and combined grease and hydraulic control units for wireline pressure operations; injection units for pumping grease, air, and/or water under pressure in wireline operations; chemical injection units for applying chemicals during wireline and well service operations; winches, hydraulic valve actuators; pressure control equipment used in slickline and wireline operations in the oil and natural gas industries, namely, blow out preventers, ram assemblies consisting of metal and rubber ram parts, pressure control strings for use in production well intervention, skids, lubricators in the nature of pressure containing cylinders, line wipers for cleaning wireline and cable, [ logging heads,] injection control heads for creating seals around moving wireline, injection valves, wellhead adapter flanges; oil and gas well tubing plugs, specifically horizontal tree plugs for use as well barriers within subsea trees; hydraulic engines, hydraulic motors, and hydraulic turbines for use in well drilling, completion, and downhole operations in the oil and natural gas industries; downhole tools for use in well drilling and completion, namely, connectors, [ liner hangers, ] nipples, plugs, injectors; tubing conveyed perforating guns and loading tubes for use in oil and natural gas exploration and production, and automated spooling units for spooling wire and cable for use in the oil and natural gas industries