دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

a stamp indicating that the item is manufactured to API specifications.

n: schlumberger wireline tool run inside drillpipe when stuck.when on depth, anchors are deployed and the drillstring worked in tension and torsion. Tool allows an estimate of stuck depth prior to attampting an explosive backoff.

the inner liner over the propellant in a perforating charge, most often made of pressed, powdered copper mixture or drawn or stamped from copper sheet. The liner deforms as the charge is fired and its mass is added to that of the jet from the charge.

n: the distance from the reference point to the datum plate or the bottom of the tank. It should be stamped on the fixed benchmark plate or stenciled on the tank roof near the gauging hatch. Also called reference height.

the pressure, exerted by packing or a fluid column above an explosive charge that helps contain or focus the energy of the explosive or propellant.