tag class
A pump jack that converts rotary motion to vertical reciprocating motion.
A non-beam type pump jack that uses a longer stroke.
A document that describes methods of operating a piece of equipment or process unit, including but not limited to Instructions, procedures, drawings, tables, etc. for the operation -stop, start, and emergency shutdown. Including operational limits, function testing, possible interruptions, corrective actions, hazards and corrective measures to be taken.
An aboveground drive for a reciprocating piston pump in an oil well.