Oil and gas well power tools and equipment, namely perforating guns; Power operated pumps and pump equipment for use in oil field equipment and service; namely, triplex mud pumps, duplex mud pumps, rod pumps, hydraulic reciprocating pumps, hydraulic jet pumps, sucker rods, well service pumps and plunger pumps; Oil well drilling machinery and parts therefore, namely, draw works, torque converters, rotaries, swivels, traveling blocks, hook blocks, crown blocks, drill pipe, tubulars, pedestal cr...

Explosive equipment for completing oil and gas wells, namely, fracturing charges and shaped charges for perforating guns

Carrier assemblies, namely, perforating guns for use in oil and gas well drilling that employ energetic materials for the perforation, completion, repair, or abandonment of oil and gas wells and the cutting or abandonment of well tubulars, wellheads, and related production structures