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Oilfield Glossary
Oilfield Glossary
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Tools

sucker rod

1. n. [Well Completions]
A steel rod that is used to make up the mechanical assembly between the surface and downhole components of a rod pumping system. Sucker rods are 25 to 30 ft [7 to 9 m] long and threaded at each end to enable the downhole components to be run and retrieved easily.