drill string

drill string

drill string Word Origin noun

  1. (on a drill rig) the assemblage of drill pipes that link the drill bit to the mechanism that imparts rotary or reciprocating motion.

Origin of drill string First recorded in 1695–1705 British Dictionary definitions for drill string drill string drill pipe noun

  1. (in the oil industry) a pipe made of lengths of steel tubing that is attached to the drilling tool and rotates during drilling to form a bore

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