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How to deal with brake failure during drilling and tripping?
Release time:
2019-09-21
Author:
Source:
First of all, the low-speed clutch should be strongly engaged to slow down the sliding speed. The internal and external fitters can quickly clamp the slips or the elevator, and the wellhead personnel can quickly leave the wellhead. Then remove the clutch of the main vehicle, close the high and low clutches at the same time when the rotating speed of the drilling machine slows down, and repair the brake system after controlling the drilling tools.
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