دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: the amount by which a tank or a vessel is short of being full, especially on ships. Ullage in a tank is necessary to allow space for the expansion of the oil in the tank when the temperature increases. Also called outage.

n: the opening in the top of a tanker or barge tank compartment through which ullage measurements and sampling operations are carried out.

n: a paste that is applied to an ullage rule or dip tape and weight to indicate precisely the level at which the liquid meniscus cuts the graduated portion.

n: a point marked on the ullage hatch or on an attachment suitably located above or below the ullage hatch and situated at a distance above the bottom of a container greater than the maximum liquid depth in the container. Ullage measurements are taken from this reference point.

n: the maximum stress that a metal can withstand without fracturing or breaking.

the maximum stress that a material can withstand.

n: It have good fluidity,low filter loss,high intensity and low permeability,which be used in the cementing at low-pressure and cracky layer or high temperature well.

adj: of or pertaining to operations in ultra deep water.

n: The grain that diameter from 2um to 44um in the drill fluid according to the regulation of API.

water jetting at pressures over 25,000 psi.

very high frequency sonic signals used in measuring distance, surface imperfections or even metal thicknesses.