دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: an instrument that records hook load, rate of penetration, rotary speed and torque, pump rate and pressure, mud flow, and so forth during drilling. drilling rig n: see rig.

n: the instrment used to record the drillng parameters during drilling such as the drill speed ,rotate speed ,drill pressure ,torque , fluid volume,pump pressure ,hook load and fluid ability and so on