دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: The number of working string except fast line and dead line in motility system.

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.

end of a braided drilling line affixed to the draw works.

n: that sheave on the crown block over which the fastline is reeved.

n: the idle wheel whose rotate speed is the fastest on the crown block,and the fast line has to pass this idle wheel to reach the barrel

n: a device fitted on the drawworks and used to cause the fastline to reverse its direction on the drawworks drum or spool when a layer of line is completed on the drum and the next layer is started.

n: a rubber component that fixes on the drillwork of rig, which makes fast line begin reversely at the another layer after completion of one layer on the cyliner.

n: the total pulling power that including fast line and dead line, which enforces the maximum number wire of the drawworks traveling system.

n: The device be used to decrease horizontal wave of fast line.