NATIONAL OILWELL
power operated pumps and pump equipment for use in oilfield 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; oilwell drilling machinery and parts therefore; namely, drawworks, torque converters, rotaries, swivels, traveling blocks, hook blocks, crown blocks, drill pipe, tubulars, pedestal cranes, jacking and drilling manifolds; power operated oil wellhead and we...
Cancelled · May 4, 1992 · 74271963 ·