دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

(pronounced tower) n: see evening tour.

v: to begin or start (e.g., to bleak circulation or break tour).

v: (pronounced tower") to begin operating 24 hours a day. Moving the rig and rigging up are usually carried on during daylight hours only. When the rig is ready for operation at a new location, crews break tour.

to start a work shift.

n: See cone profile.

a curve connecting points of equal value on a map.

n: The sedimentary centrifugal whose entry presents cylinder and other part presents cone. This kind of centrifugal has bigger delivery capacity comparing with conic centrifugal in the same working parameter, maximal outside diameter and length.