sucker rod pump

Rod pump
Prev Next Zoom 1 of 1
1. n. [Well Completions]
An artificial-lift pumping system using a surface power source to drive a downhole pump assembly. A beam and crank assembly creates reciprocating motion in a sucker-rod string that connects to the downhole pump assembly. The pump contains a plunger and valve assembly to convert the reciprocating motion to vertical fluid movement.
Synonyms: beam pump, rod pump
See: sucker rod