دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: the tendency of the drill string to turn in a direction opposite that of the bit, a factor for which a driller must compensate when using a downhole motor.

n: the tendency of the drill string to ture in the opposite direction from that of the bit. This effect must be considered when setting the toolface in directional drilling when using a downhole motor.