drilling column
drilling column
[′dril·iŋ ‚käl·əm] (engineering)
The column of drill rods, with the drill bit attached to the end.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive
An oil well blowout is the term for an uncontrolled flow of oil from a well into the air, resulting when the pressure in the ground exceeds the pressure in the
drilling column. For oil and gas operators, it is, literally, their worst nightmare.
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