petroleum reservoir

noun

A subsurface accumulation of hydrocarbons contained in porous or fractured rock formations.

Meanings

nounpetroleum reservoir (plural petroleum reservoirs)

plural petroleum reservoirs

  1. geographyA subsurface accumulation of hydrocarbons contained in porous or fractured rock formations.

    Synonyms: oil reservoir

Synonyms & antonyms

nounA subsurface accumulation of hydrocarbons contained in porous or fractured rock formations.

Cite this entry
APA

petroleum reservoir. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/petroleum%20reservoir

MLA

“petroleum reservoir.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/petroleum%20reservoir. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “petroleum reservoir,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/petroleum%20reservoir.

Source: petroleum reservoir on Wiktionary, CC BY-SA 4.0.