Pump-displacement volume is typically determined by gear size. The oil pumps below (left to right) represent two different displacements, as noted by the case size. For high-performance work, a steel ...

A timer or pump-off controller (POC) can improve overall beam-pump efficiency for a well with a pump capacity greater than its production capacity. More than 400,000 wells in the U.S. operate with ...

While everybody knows what the oil pump's job is and why it's there, few enthusiasts consider the lowly bubbler as a possible engine tuning resource. We've come to appreciate that it takes power to ...