دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: A kind of brassboard method for controlling gas overflowing. When gas overflowing leading to underground blowout happens, an actuator will be threw into the drill column to open side opening of diverter valve.

n: a type of valve that changes the direction of fluid flow from the intended path to an alternate route.