Class [7]
Machinery Products
Articles, tools, machines and apparatus for drilling, completing and producing fluids from oil, gas and water wells, well bores and boreholes and for intervention in wells, well bores and boreholes; articles, tools, machines and apparatus for use in drill, completion, intervention and production strings; articles, tools, machines and apparatus for drilling well bores, boreholes and oil, gas and water wells; articles, tools, machines and apparatus for hydro testing, pressure testing and leak testing oil, gas and water wells, well bores and boreholes; articles, tools, machines and apparatus for cleaning, flooding, swabbing, drying and removing hydrates from oil, gas and water wells, well bores and boreholes; oil, gas and water well, well bore and borehole pigs and intelligent pigs; pipeline pigs and intelligent pigs; drill collars; drill pipe; drill bits; flow control and flow circulation tools; pumps, injectors, coiled tubing units, engines, transmissions, work over equipment, mudding equipment, cement mixers, centrifugal pumps, recirculating mixers, drills, motors, packers, liner hangers, landing nipples, hydraulic valves and controls, pneumatic valves and controls, wire line equipment, rotary sidewall coring equipment, blenders, sand feeders and conveyors, cementing, fracturing and acidizing tools, valve actuators, couplings, high pressure jetting apparatus, circulating tanks, dump bailers, perforators, fluid samplers, nitrogen and carbon dioxide units, filtration units, all for use in well drilling and well working.
