دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: The Process that keeping downhole cleaning and improving drilling efficiency by jet flow of drilling fluid pounding the cuttings in the downhole in the drilling programe.

n: the erratic impact of a pump plunger against a fluid when the pump is operating with a partial vacuum in the cylinder, with gas trapped in the cylinder, or with the well pump off.

or rod pound – a beam lift term where the pump is filled with gas from pump-off or too fast of an operating speed (rod speed).