How a Pump Jack Works to Bring Oil to the Surface

A pump jack is a widely recognized piece of equipment used to pump crude oil from underground reservoirs.  

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A Pump Jack Works To Bring Oil To the Surface Stock Illustration - Illustration of silhouette, texas: 268886674

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Oil well pump jack in south Texas. These pumps pull the oil out of the ground into surface tanks Stock Photo - Alamy

How a Pump Jack Works to Bring Oil to the Surface

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