drill rig

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English

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Alternative forms

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Noun

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drill rig (plural drill rigs)

  1. Used other than figuratively or idiomatically: see drill,‎ rig.
    • 1979, Iqtidar H. Siddiqui, Irrigation canals: planning, design, construction, and maintenance:
      In sandy strata, 7 to 9 inches diameter holes are drilled with a percussion type drill rig.
    • 2001, William A. Hustrulid, Richard L. Bullock, Underground Mining Methods, page 224:
      As no standard drill rig for 38-mm holes was available, Atlas Copco developed the Trakker 526, a drill rig for small-hole drilling that was adapted to narrow vein mining
  2. An oil rig.