دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: the end of the drilling line that is affixed to the drum or reel of the drawworks, so called because it travels with greater velocity than any other portion of the line. Compare deadline.

n: The end of the drilling line which is fixed to the drawworks drum or reel. It is so called because it apparently travels with greater velocity than any other portion of the drilling line.