Auxiliary brake ( drilling rig ) – Readyzone

Auxiliary brake During tripping-out operations, the drill pipe is removed in stands ( ̴93 ft, depending on size of derrick etc. ) ion such a way that the pipe is decelerated during the last 5-10 ft before being arrested in the rotary table with the slips. Thus, during tripping out operations, the main brakes are not required to absorb excessive…

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