Definition of drill stem in English:

drill stem

Line breaks: drill stem

noun

  • A rotating rod or cylinder used in drilling.
    More example sentences
    • When extracting the drill stem, the sections would be disconnected and capped, then packaged together for the return to Earth.
    • Drilling of this well was commenced on May 7 and during the course of drilling, which has now reached up to a depth of 1,750 metres, a number of drill stem tests have been carried out.
    • Venture partners Arc Energy and Origin Energy announced on Monday an open hole drill stem test flowed gas at a stabilised daily rate of 16.5 million cubic feet.

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