well drill

well drill

[′wel ‚dril]
(mechanical engineering)
A drill, usually a churn drill, used to drill water wells.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Realization of oil and gas explorations this year is estimated to fall short of target with only 57 exploration well drilled or 70% of the target of 81 wells.
A sidetrack, or a new well drilled from an older one, was started at 16,215 feet and 1,950 feet of new well was drilled, to a depth of 17,500 feet.