دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: The volume flow rate of the circulating drilling fluid, usually expressed in gallons per minute or barrels per minute.

n: an opening of a measured diameter that is used for measuring the flow of fluid through a pipe or for delivering a given amount of fluid through a fuel nozzle. In measuring the flow of fluid through a pipe. the orifice must be of smaller diameter than the pipe diameter. It is drilled into an orifice plate held by an orifice fining.

n: the hole that measures the diameter, it express the circulation rate through the tube.

n: the apparatus that measures the circulation rate through the pipeline.