دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: a special valve used to bleed pressure slowly from a line or vessel. Also called a blow-down valve.

a permeable core from which hydrocarbon escapes without differential pressure application.

n: a representative sample taken from any suitable JX>int in a tank. or from a tank side sample connection after mixing the tank contents and before any significant separation of phases bas occurred.

the device that takes in fluid feed, mixes in sand and then outputs to the pump truck.

n: a petroleum product that is mixed, or blended, with another petroleum product.

n: a circular metal disk installed in a pipeline to prevent flow by fastening it between flanges. v: to close a line to prevent flow.

n: a drilling operation in which the drilling fluid is not returned to the surface;rather. it flows into an under- ground formation. Sometimes blind-drilling techniques are resorted to when lost circulation occurs.

a flange plate without an opening, normally used as seal-off assurance over an unused line.

nipple that can be blocked off from formation pressure and give a false pressure measurement.