6
Common metals and their alloys; metal building materials; transportable buildings of metal; materials of metal for railway tracks; non-electric cables and wires of common metal; ironmongery, small items of metal hardware; pipes and tubes of metal; safes; goods of common metal not included in other classes; ores.
manufactured metal equipment to be positioned within oil and/or gas wells during drilling, completion, production, well abandonment and/or well work-over operations, namely, metal drill pipes for use in well boring, tubing patches, casing patches, junk mills, rotary shoes, and collars; metal casings used to stabilize the wellbore in oil and gas wells
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.
manufactured metal equipment to be positioned within oil and/or gas wells during drilling, completion, production, well abandonment and/or well work-over operations, namely, reamers, hole openers, stabilizers, casing and drill pipe protectors, shock tools, drill bits, casing and reaming shoes, float shoes, collars, centralizers, wellbore clean up tools, casing rollers, casing scrapers, tubing scrapers, fishing tools, bumper subs, junk subs, crossover subs, circulating subs, wireline jars, power swivels, and downhole power systems, namely, motors, jars, shock tools, and accelerators