Oil field pressure control equipment, namely, pressure control valves, blowout preventers

OIL WELL EQUIPMENT-NAMELY, [ OILLESS BEAM HANGERS AND ROD HANGERS, ] POLISH ROD GRIPS AND CLAMPS, SPRING SUCKER ROD HOOKS, SUCKER ROD ELEVATORS, SPRING SWIVEL LINKS AND C LINES, [ OILLESS BEAM ROCKERS AND STIRRUP BEARINGS, ] STUFFING BOXES, [ HORSEHEADS, ] TUBING TONGS, ROD WRENCHES AND COUPLING WRENCHES, TUBING BLOCK CLAMPS, BELL NIPPLES, SHOCK ABSORBERS, STRINGING-UP LINKS, ADJUSTABLE SUCKER ROD LINE WEIGHTS, COMBINATION ROD WIPERS, AND ROD CUTTERS