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Glossary:Plunger

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-In the context of a beam lift, a plunger is the traveling bar in beam lift pump internals.

-In the context of gas wells, a plunger is a tool that is dropped without attachment through the tubing and standing water in the well, then seals against the tubing using the pressure of the incoming gas to raise the plunger and the water above it to the surface. A very common Deliquification tool.