tight oil

noun

Light crude oil contained in petroleum-bearing formations of low permeability, often shale or tight sandstone.

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Meanings

noun
  1. Light crude oil contained in petroleum-bearing formations of low permeability, often shale or tight sandstone.

Synonyms & antonyms

Also see
shale oil
Cite this entry
APA

tight oil. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/tight%20oil

MLA

“tight oil.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/tight%20oil. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “tight oil,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/tight%20oil.

Source: tight oil on Wiktionary, CC BY-SA 4.0.