دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: a sucker rod pump that is run into the well as a complete unit.

a pump run on a sucker rod string and set in a pump barrel, then powered with the sucker rod pump.

n: a sucker rod insert pump in which the working barrel travels and the plunger remains stationary. The working barrel is connected to the sucker rod string through a connector and the traveling valve;the standing valve is connected to the top of the plunger, which in turn is connected to the bottom hold-down.