دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: the minimum amount of royalty income a royalty owner is to receive under the terms of the lease agreement, regardless of the royalty owners share of actual proceeds from the sale of production. guard n: a metal shield placed around moving parts of machinery to lessen or avoid the chance of injury to personnel. In the oilfield, guards are used on equipment such as belts, power transmission chains, drums, flywheels, and drive shafts.