Oilfield Glossary
Oilfield Glossary
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Tools

progressive cavity pumping system

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1. n. [Production Testing]
A type of a sucker rod-pumping unit that uses a rotor and a stator. The rotation of the rods by means of an electric motor at surface causes the fluid contained in a cavity to flow upward. It is also called a rotary positive-displacement unit.
See: rod pump