Metal buildings and metal building components.

Coatings for the prevention of corrosion; coatings for pipe connections, drill pipe, tubing, casing, line pipe, pipelines, and other tubular goods; metal drilling platforms and parts therefor for on-shore and off-shore use; oilfield tubular connectors, namely, metal riser connectors; metal manually operated gate valves; mechanized drilling and oilfield instruments and equipment and parts therefor, namely drilling rigs, pipe deck equipment, oil well drilling machinery, pressure control equipment, pumping equipment, solids control and removal equipment, well tools and equipment, pipe hoisting and rotating machines, blowout preventers, coiled tubing and wireline equipment, casing handling equipment, rotary handling tools, automated pipe racking systems, cuttings re-injection systems, top drive systems, motion compensators, drilling chokes, slips, elevators, bushings, clamps, valves, flanges, actuators, casing spiders, jackups, iron roughnecks, rotary tables, risers, pumps, mixers, centrifuges, dryers, compressors, separators, shakers, screens, hooks and tongs; electronic drilling rig instrumentation; electronic drilling rig and oilfield control systems and equipment, namely, electronic instrumentation for monitoring well drilling operations and well drilling parameters, instrument control panels, instrument control consoles, instrument control circuits, indicators, gauges, meters, data processors, data acquisition apparatus in the nature of recorders and instruments for monitoring and display of data obtained from oilrigs and subterranean wells, computer controlled drilling equipment augmented to log key operational data and communicate electronically, rig activity recorders, well testing units, electronic fluid control and recovery equipment, regulators, pressure gauges; electronic, magnetic, and ultrasonic instruments and apparatus for inspecting, measuring, analyzing, surveying, testing and locating pipelines, drill pipe, tubing, casing, line pipe, joints, and other tubular goods in the oil and gas industry; subterranean and subsea production equipment controllers and components thereof; automatically operated gas valves, hydraulic load sensing and indicating systems; electronic instruments for the compilation and dissemination of data useful in the drilling, completion, or workover of a subterranean well; pressure control equipment for use in oil and gas drilling and production; and computer software for use in drilling; computer software for use in oilfield applications, namely, computer software for use in inspection of pipelines, to locate pipelines, and to map the location of pipelines; computer software for use in charting, analyzing, displaying and reporting the results of inspecting, measuring, testing, and locating pipelines and other tubular goods; computer software for controlling, monitoring, and managing equipment in the drilling and oilfield industries; computer database management software used for tubular goods inventory control; computer software for providing information and data about the functions, processes, and operations of drilling rig equipment and for enabling rig personnel to manage, monitor, and control the functions, processes, and operations of drilling rig equipment; incinerators; plastic and fiberglass piping and tubing and fittings therefore.

Environmental site remediation, namely, solids control; engineering services relating to oil and natural gas drilling; technical consultation in the field of analyzing and interpreting defects in oil and gas transmission pipelines; technical consultation in the field of computer assisted drilling; construction, installation, and maintenance of equipment for the non- destructive testing of pipelines and the leasing of such equipment; connecting and joining of tubular goods; building, construction, maintenance, and repair services related to oil and natural gas drilling and tubular goods; applying protective coatings to pipe connections, drill pipe, tubing, casing, joints, line pipe, pipelines, and other tubular goods; manufacture of coiled tubing for others; engineering, design, and manufacture of oilfield tools, equipment, and tubular goods for others; oilfield, tubular, and drilling services; inspection, testing, surveying, analyzing, locating, and measuring of pipelines, drill pipe, tubing, casing, line pipe, and other tubular goods; oil well control services; consultation and advice to oilfield drillers- concerning the use of drilling fluids, additives and equipment involved in cleaning drilling fluids; rig instrumentation services, namely, construction, installation, repair, and maintenance of drilling rig instrumentation; monitoring, analyzing, and controlling the operations and functions of rig instrumentation via computer networks; technical writing; development of software for others; computer programming services.

Machines, fabricated structures, tools and replacement parts therefore for use in the production of oil and gas from wells and for the drilling of oil and gas wells, including rig structures, namely derricks, masts, platforms, work-over rigs, self-propelled rigs, trailerized rigs, skidding systems, rig jacks, spiders, substructures, operator cabins, blowout preventer handling systems, wireline units, power generation and transmission equipment, namely generators, motors, power distribution systems, torque converters, and hydraulic power packs; hoisting equipment, namely drawworks, sheaves, traveling blocks, crown blocks, catheads, winches, deadline/wireline anchors, brakes, swivels, winches, fairleads, windlasses, hooks, elevators, cranes, level winds, chain links, and lift chains; pumping equipment, namely standpipes, goosenecks, risers, pumps, pump pistons, pump liners, valve seats, valves, blenders, cement pumpers, acid pumpers, combination cementer/acidizers, cement batch mixers, injectors, sucker rods, frac blending units, nitrogen pumping equipment, cryogenic pumps, slush pumps, well service pumps, plunger pumps, mud pumps, positive displacement pumps, and centrifugal pumps; pipe handling equipment, namely elevators, slips, pipe rackers, tongs, wrenches, pipe spinners, iron roughnecks, breakout machines, bumper subs, cranes, dies, inserts, claws, grippers, elevators, power slips, thread protectors, cam rollers, mechanical arms, stabbing baskets, and pipe racks; solids control equipment, namely shakers, desilters, desanders, degassers, centrifuges, mud cleaners, cones, mud agitators, mud hoppers, mud guns, mud mixers, mixers, dryers, compressors, separators, screens, cuttings cleaners, conditioning units, filters, clarifiers, sand washers, and hydrocyclones; pressure control equipment, namely valves, blowout preventers, chokes, diverters, pressure control valves, safety clamps and valves, relief valves, float valves, gate valves, choke manifolds, flanges, and actuators; rotating equipment, namely top drives, swivels, power swivels, kelly drives, rotary tables, bushings, and fluid driven motors; motion compensation equipment, namely crown mounted compensators, drill string compensators, riser tensioners, and riser gimbals; well tools, namely downhole motors, drilling jars, fishing tools, reamers, shock tools, drill collars, stabilizers, wellheads, valves for wellheads, pipes and pipelines, tool joints, connectors, running tools, tubing and casing threads, casing hangers, casing scrapers, mudline hangers and connectors, packers, plugs, nipples, flow meters, coiled tubing units, tubing hangers, tubing heads, tubing reels, injectors, carriers, tubing grippers, grippers, wireline components, rods, couplers, intervention tools, completion tools; and instrumentation, inspection, and control equipment, namely control panels, pipe inspection equipment, and pressure sensors; electronic instrumentation and controls for monitoring and displaying data associated with the drilling of oil and gas wells and the production of oil and gas from wells, namely instrument control panels, instrument control consoles, instrument control circuits, indicators, gauges, meters, data processors, computer controlled pipe hoisting and racking equipment, computer controlled drilling equipment augmented to log key well drilling parameters and communicate electronically, rig activity recorders, electronic fluid control and recovery equipment, blow out preventers, regulators, pressure gauges, subterranean and subsea production equipment controllers and components thereof, hydraulic load sensing and indicating systems comprised of dial indicators, load totalizers, load sensing cells, well testing units, and automatically operated gas valves; electronic, magnetic, and ultrasonic instruments and apparatus, as well as computer hardware and software, for inspecting, measuring, analyzing, surveying, testing, tracking, inventorying, and locating pipelines, drill pipe, tubing, casing, line pipe, joints, and other tubular goods; computer hardware and software for providing information and data about the functions, processes, and operations of drilling rig equipment and for enabling rig personnel to manage, monitor, and control the functions, processes, and operations of equipment in the drilling of oil and gas wells and the production of oil and gas from wells; silicone control rectifier (SCR) electrical units for converting AC to DC, electric generators, electric motors, permanent magnet motors, power distribution equipment, namely switches, circuit breakers, transformers, control panels, computers, and instrumentation for controlling the distribution of electrical power.