دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: ZnCO3,which can as the material of zinc-salt and be used to make desulphate
powder.

n: see swivel-connector grip.

n: see swivel-stringing grip.

nodal analysis program.

n: I. a block that can be opened to receive wire rope or wireline. 2. a block that is suited for a single sheave and is used for pulling horizontally on an A-frame mast.

an expression to predict change of direction of a wave crossing the boundary between two isotropic (no variation in properties with direction) media.

n: see explosimeter.

n: see cheater.

v: 1. to force pipe or tools into a highpressure well that has not been killed (i.e., to run pipe or tools into the well against pressure when the weight of pipe is not great enough to force the pipe through the BOPs).

n: a strong wire rope attached to the end of the tongs and to one leg of the derrick to keep the tongs from turning too far when they are being used to make up, break out, or back up drill pipe or drill collars.