6
Oilfield production equipment, namely pressure vessels
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; machines for cleaning various types of surfaces (chemical injection pumps); drilling equipment (including oil well drilling equipment), tongs, chain tongs, power operated drill pipe spinning wrenches; oilfield fluid end products; pumps and parts therefor; pump pistons and pump liners; mud pump pistons; electric and diesel power generators for oilfield equipment; vertical pipehandling equipment having power-operated rotatable gripping head and stabbing boards; oifield cementation equipment; centralizers for cashing and tubing, cement baskets, scratchers, wellbore wipers, and stop collars; oilfield float equipment; float shoes, float collars, guide shoes, baffle collars, and stage cementing tools; oilfield cementing plugs, drill pipe/casing protectors, control line and sucker rot protectors; portable thread cleaners for cleaning threaded connections of oilfield tubulars, including power drive assembly, brush housings and solvent tank therefor; oilfield production equipment: wellhead and plant dehydrators, vertical oil treaters, production units including separators and heaters, sand traps, free-water knockouts, and pigging systems; oil well completion equipment; packers, flow control equipment, subsurface valves, and sliding sleeves; casing patches, casing liners, and well screens; expandable tubular products; sand screens, casing patches, and expandable liners and liner hangers; casing liner hangers; top drive units; rotating control heads; blowout preventors; downhole motors and turbines for drilling; oil well fishing, cutting and rental equipment, mills, whipstocks and jars; fluid recovery apparatus including, downhole pumps with surface drive units, jet pumps, hydraulic pumps, and electric motors with pumps
9
Scientific, nautical, surveying, electric, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments; 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; oilfield pressure testing apparatus including apparatus for testing of tubulars, blowout preventors, wellheads, christmas trees, manifolds, lubricators, and other pressure vessels; oilfield production equipment, namely well-testing units and metering separators; automatic wellhead pressure relief valves
35
Business management, administration and personnel services for oil and gas well operations; provision of oilfield casing service crews for makeup and breaking of casing and tubing strings; tubular handling services and pipe yard services, namely inventory management
37
Building, construction; repair; installation services; repair, conditioning, installation and operating of oil and gas well equipment for others; rental and repair of high-pressure water discharge cleaning machines; make-up and preassembly of downhole completion assemblies; pipe recovery services rendered to oil and gas well operators; directional drilling services for others; underbalanced drilling services for others; rental of oil and gas well equipment and downhole tools; oilfield bolt-tensioning services for bolted connections, such as blowout preventor stacks, wellheads, gathering systems, turbines, compressors, and heat exchangers; tubular handling services and pipe yard services, namely cleaning of pipe; electric wireline services for others, namely the use of single conductor lines to perform downhole services such as pipe recovery
40
Construction of wellhead production equipment systems for others; machining and moulding of parts for others; tubular handling services and pipe yard services, namely preservation of pipe; electric wireline services for others, namely the use of single conductor lines to perform downhole services such as chemical cutting and jet cutting; tubing conveyed perforating services for others, namely the perforating of pipes through tubing by the hanging of perforating guns on electric wirelines for deployment and extraction purposes
42
Engineering services for oil and gas field industries; research, design, development and testing of equipment and apparatus for the oil and gas field industries; oil prospecting; oil-field surveys; oil well testing; oilfield tubular pressure testing services; tubular testing services; tubular handling services and pipe yard services, namely inspection; electric wireline services for others, namely the use of single conductor lines to perform down hole services such as the determination of whether free pipe can be removed, logging and servering; oilfield tubular connection analysis services; oilfield cementation engineering studies and services; and customer engineering for other oilfield and industrial equipment companies; testing of oil and gas well equipment for others