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2. Pumpjack - Wikipedia

   en.wikipedia.org/wiki/Pumpjack

   A pumpjack is the overground drive for a reciprocating piston pump in an oil well. [1] It is used to mechanically lift liquid out of the well if there is not enough bottom hole pressure for the liquid to flow all the way to the surface. The arrangement is often used for onshore wells. Pumpjacks are common in oil-rich areas.

3. Sucker rod - Wikipedia

   en.wikipedia.org/wiki/Sucker_rod

   The line of sucker rods is represented in this diagram by the solid black line in the center of the well. A sucker rod is a steel rod, typically between 7 and 9 metres (25 and 30 ft) in length, and threaded at both ends, used in the oil industry to join together the surface and downhole components of a reciprocating piston pump installed in an oil well.

4. Water well pump - Wikipedia

   en.wikipedia.org/wiki/Water_well_pump

   These pumps, often submersible and powered by electricity, can access water reserves located much deeper than shallow wells, ensuring a consistent supply even during periods of drought. They include different kinds of pumps, most of them submersible pumps: Hand pump, manually operated; Injector, a jet-driven pump; Mechanical or rotary lobe pump ...

5. Oil well - Wikipedia

   en.wikipedia.org/wiki/Oil_well

   An oil well is a drillhole boring in Earth that is designed to bring petroleum oil hydrocarbons to the surface. Usually some natural gas is released as associated petroleum gas along with the oil. A well that is designed to produce only gas may be termed a gas well .

6. Stripper well - Wikipedia

   en.wikipedia.org/wiki/Stripper_well

   The top ten US stripper well states. A stripper well or marginal well is an oil or gas well that is nearing the end of its economically useful life. In the United States a "stripper" gas well is defined by the Interstate Oil and Gas Compact Commission as one that produces 60,000 cubic feet (1,700 m 3) or less of gas per day at its maximum flow rate; the Internal Revenue Service, for tax ...

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   AOL latest headlines, entertainment, sports, articles for business, health and world news.