دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: A small volume or pill of fluid placed in a wellbore annulus to free differentially stuck pipe.


placing fluid at a specific place in the wellbore.

n: see nozzle.

n: a system of rope, chain, or a combination attached to anchors on the ocean floor and to winches on the structure to keep a floating vessel near a fixed location on the sea surface.

n: a special kind of drilling bit with sharp blades rather than teeth. It is sometimes used for drilling soft, sticky formations.

n: The purpose-made drill bit with blade slice,usually used to drill soft layer or viscous layer.

sub surface (or subsea) isolation valve. Often placed in offshore pipelines within a few hundred meters of the facility to give an emergency stop point in the event of a line rupture or fire.

subsurface safety valve.

abbr: surface safety valve.

surface safety valve (subsurface safety valve is SSSV)

n: a special drill stem valve that, when in open position, allows fluid to flow through it, thus allowing the valve to be stabbed into the drill stem.

n: an instrument to measure the amount of voltage needed to break down invert emulsions.

n: condensate that has been stabilized to a definite vapor pressure in a fractionation system.