Top Drive

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Jun 2, 2014/ 0 Comments / by

Top Drive

A top drive is comprised of one or more electric or hydraulic motors, which is connected to the drill string via a short section of pipe known as the quill. Suspended from a hook below the traveling block, the top drive is able to move up and down the derrick.Many times, slips are still employed on a rotary table to ensure the drill string does not fall down the well.

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