pumpjack

Stroker of Pumpjack also played with Gasoline on several occasions.

Back then, he said, "flipping on a light switch or plugging an electric motor to a pumpjack was all I knew about electricity."

A pump to pump oil out of oilwells, also called nodding donkey, see pumpjack.

Nodding donkey, a pumpjack.

Evidence of the company's actual business operations was scant, limited mostly to a website and the appearance of a "pumpjack" tattoo on the side of Birdman's head.

However, by March 2010, Birdman had almost completely covered the pumpjack tattoo, which sparked speculation that the Bronald Oil project had stalled.

A pumpjack converts the rotary mechanism of the motor to a vertical reciprocating motion to drive the pump shaft, and is exhibited in the characteristic nodding motion.

Common off-grid pumpjack engines run on casing gas produced from the well, but pumpjacks have been run on many types of fuel, such as propane and Diesel fuel.

Other structures in the park include the Heritage Pavilion picnic shelter, a veteran's chapel, an oil pumpjack, a coal car, a Northern Pacific train caboose, a windmill, and restrooms.

Signal Hill became known as "Porcupine Hill" for its prickly appearance at a distance, covered with hundreds of wooden oil derricks (the low "nodding-donkey" pumpjack was yet to be invented).

The pumpjack is the visible above-ground drive for the well pump, and is connected to the downhole pump at the bottom of the well by a series of interconnected sucker rods.

The prime mover of the pumpjack runs a set of pulleys to the transmission which drives a pair of cranks, generally with counterweights on them to assist the motor in lifting the heavy string of rods.

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