Definition of down-hole in English:

down-hole

Syllabification: down-hole
(also downhole)

adjective & adverb

  • (In the oil industry) used, occurring, or performed in a well or borehole.
    More example sentences
    • Method and apparatus for navigational drilling with a downhole motor employing independent drill string and bottomhole assembly rotary orientation and rotation
    • Equipment maker Smith International Inc. has announced a 3% to 5% hike for such gear as drill fluids, bits, and downhole drilling tools.
    • This unit is extraordinarily rich in organic carbon (> 50 wt% TOC in some parts, Huc et al. 1992; Herbin et al. 1995) and readily recognizable in the field and in downhole logs.

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