A pump jack is a prominent surface equipment in artificial lift systems, specifically rod lift, used to pump crude oil from underground reservoirs. Rod lift is the most common form of artificial lift, often employed in stripper wells near the end of their economic production life. The system comprises three main components: the surface pumping unit, rod string, and downhole pumping unit. The pump jack, powered by a prime mover, reciprocates the rod strings connected to the downhole pump, lifting fluid to the surface.

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