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Colorado Pumpjack

A pumpjack also called a nodding donkey, pumping unit, horsehead pump, rocking horse, beam pump, dinosaur, sucker rod pump (SRP), grasshopper pump, thirsty bird, jack pump, or popping johnny. It is the overground drive for a reciprocating piston pump in an oil well.

A pumpjack also called a nodding donkey, pumping unit, horsehead pump, rocking horse, beam pump, dinosaur, sucker rod pump (SRP), grasshopper pump, thirsty bird, jack pump, or popping johnny. It is the overground drive for a reciprocating piston pump in an oil well.

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