nodding donkey

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nodding donkey

n
(Mining & Quarrying) informal (in the oil industry) a type of reciprocating pump used to extract oil from an inland well
[C20: so called from its shape and movement]
References in periodicals archive ?
An oil pumpjack works at dawn in the Permian Basin oil field in the oil town of Andrews, Texas.
A rainbow is seen over a pumpjack during sunset outside Scheibenhard, near Strasbourg, France, October 6, 2017.
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.
A small piston that resembles the pumpjack from an oil rig spits out two tortillas per revolution.
A donated pumpjack needs to be set up, and they've got a wellhead coming in that will connect to it.
In Syria, strikes near Raqqah, Deir Al-Zour and Manbij destroyed a pumpjack, a wellhead, four tactical units, two fighting positions and a supply cache.
In Signal Hill, for example, a pumpjack works within 20 feet of a McDonald's drive-through window.
CADE is part of the Plum pJack Group, and John Conover, general manager of PumpJack Winery and partner in CADE, said the company had been open to alternative closures because the founding partners saw first-hand how unpleasant a corked wine was for customers of the original Plump-Jack Wine & Spirits shop in San Francisco, Calif.
Sited near Bakersfield, Calif., the Pumpjack and Wildwood solar energy projects, will each include a standalone 20 MW AC photovoltaic facility and a new 115 kV substation for interconnection to the grid.
While corn is 4.5 times better than soy, it is a factor of three below wind (1.13 W/[m.sup.2]), 19 times worse than photovoltaic (PV) solar (6.0 W/[m.sup.2]), and 300 times worse than the 90 W/[m.sup.2] delivered by the average US petroleum pumpjack well on a two-acre plot of land.
This here"--she taps the flask against the machine's lowered, rusty head--"is a pumpjack. Pump.