wellbore

W4E1L1L1B3O1R1E1

noun

The hole produced when drilling an oil or gas well.

Similar
borehole
OriginEnglish bore ← Middle English boren ← Old English borian →
UncommonScrabble 13
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Meanings

nounwellbore (plural wellbores)

plural wellbores

  1. The hole produced when drilling an oil or gas well.

    The overflush consisted of 100 bbls of uncrosslinked 3000 ppm polymer, followed by one wellbore volume (~150 bbls) plus 450 bbls crude behind pipe.

    1995, Proceedings, International Meeting on Petroleum Engineering, page 63

    Synonyms: borehole

Synonyms & antonyms

nounThe hole produced when drilling an oil or gas well.

Similar
borehole

Origin

  1. Englishwell
  2. Proto-Indo-European*bʰerH-
  3. Proto-Germanic*burōną
  4. Proto-West Germanic*borōn
  5. Old Englishborian
  6. Middle Englishboren
  7. Englishbore
  8. Englishwellbore

From well + bore.

Full word history & related roots →

Rhymes & wordplay

Anagrams

borewellbellowerrebellow
Cite this entry
APA

wellbore. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/wellbore

MLA

“wellbore.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/wellbore. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “wellbore,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/wellbore.

Source: wellbore on Wiktionary, CC BY-SA 4.0.