دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n pi: wedge-shaped pieces of metal with serrated inserts (dies) or other gripping elements, such as serrated buttons, that suspend the drill pipe or drill collars in the master bushing of the rotary table when it is necessary to disconnect die drill stem from the kelly or from the top.drive units drive shaft. Rotary slips fit around the drill pipe and wedge against the master OOshing to support the pipe. Drill collar slips fit around a drill collar and wedge against the master bushing to support the drill collar. Power slips are pneumatically or hydraulically actuated devices that allow the crew to dispense with the manual handling of slips when making a connection.

n: wege-shaped pieces of metal with a gripping element,used to suspend the drill string in the rotary table.

devices (usually containing steel teeth) that hold the pipe. Capable of suspending heavy pipe string loads.

n: a term rather loosely used to denote mixtures of oil produced at various places in a plant and requiring rerun or other processing to make it suitable for use. Also called slop oil.

n: see slop.

n: The transport chain between the lower pedestal power and the high pedestal drawworks.

n pi: oil that has been washed from the tanks of a vessel and is pumped to a special tank where most of the water will be permitted to separate for decanting.

n: a relatively short length of pipe with holes or slots that is placed opposite a producing formation. Usually, it is wrapped with specially shaped wire that is designed to prevent the entry of loose sand into the well as it is produced. It is also often used with a gravel pack.

a casing joint with regular pattern slots of a specific phasing, width and length. Used as a simple sand control method.

n: Usually as liner to prevent sand contamination.