دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

v: to pump drilling fluid into the wellbore while the pipe is being withdrawn to ensure that the wellbore remains full of fluid enen though the pipe is being withdrawn to ensure that the wellbore remains full of fluid even though the pipe is withdrawn. Filing the hole lessens the danger of a kick or caving the wall of the wellbore.

n: pour fluid into the well during hoisting to fill up the wellbore so as to prevent blowing and slough caused by less fluid column pressure

n: the smaller of the side fittings on a bell nipple, used to fill the hole when drill pipe is being removed from the well.

n: The line through which fluid is added to the annulus to maintain the fluid level in the well bore during the extraction of the drilling assembly.