دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: The drilling that using the bit fixed the whirlpool at bottomhole.

n: see swirl pipe.

n: the short pipe in a coneshaped separator that extends down into the cone body from the top and that forces the whirling stream of material to start downward toward the small end of the cone body.

n: A hollow tubular in the center of sleeve chuck of hydraulic cyclone.

a form of hydrodynamic loading of deep water structures that may lock into a structure’s natural vibration frequency. May include loop currents.

n pi: rotational-flow zones that form on alternate sides of a nonstrearnlined body placed in a high-velocity flowing stream.

a dynamic force. Most common is suddenly stopping a traveling casing string. May cause a pipe joint to separate.

abbr: vapor recovery unit.

vapor recovery unit.

variable speed drive.

abbr: vertical support member.

vertical seismic profile> Run in a single wellbore. Helps correlate logs with seismic data.