drill column
drill column
[′dril ‚käl·əm] (mining engineering)
A steel pipe that can be wedged across an underground opening in a vertical or horizontal position to serve as a base on which to mount a diamond or rock drill.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive
Investigators know the explosion was triggered by a bubble of methane gas that escaped from the well and shot up the
drill column, expanding quickly as it burst through several seals and barriers before igniting.
Many believe the accident was caused by corporate negligence, as the Blowout Preventer (BOP), which sat on the seafloor connecting the well to the
drill column, was supposed to prevent such an event.
Rescued rig workers described how a bubble of methane gas escaped from the well and expanded as it shot up the
drill column before exploding.
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