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  1. Dictionary
    crude oil

    noun

    • 1. unrefined petroleum: "vast reserves of crude oil were discovered in the region"

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  2. www.britannica.com › science › crude-oilCrude oil | Definition, Characteristics, & Facts | Britannica

    Crude oil, liquid petroleum that is found accumulated in various porous rock formations in Earth’s crust and is extracted for burning as fuel or for processing into chemical products. Crude oil is a mixture of varying hydrocarbons and other chemicals, and its physical properties vary widely.

  3. www.investopedia.com › terms › cWhat Is Crude Oil, and Why Is It Important to Investors?

    Jul 2, 2023 · Crude oil is a raw natural resource that is extracted from the earth and refined into products such as gasoline, jet fuel, and other petroleum products. It is composed of...

  4. www.petrosync.com › blog › what-is-crude-oilCrude Oil: Definition, Characteristics, & Related Facts

    Feb 19, 2024 · What Is Crude Oil? Crude oil is a mixture of hydrocarbons that exists in liquid phase in natural underground reservoirs and remains liquid at atmospheric pressure after passing through surface separating facilities. It is typically found deep within the Earth’s crust and extracted through drilling.

  5. en.wikipedia.org › wiki › PetroleumPetroleum - Wikipedia

    Petroleum or crude oil, also referred to as simply oil, is a naturally occurring yellowish-black liquid mixture of mainly hydrocarbons, and is found in geological formations. The name petroleum covers both naturally occurring unprocessed crude oil and petroleum products that consist of refined crude oil. Petroleum is primarily recovered by oil ...

  6. www.livescience.com › what-is-crude-oilWhat is crude oil? | Live Science

    Feb 15, 2022 · Here's the science behind how crude oil forms and how experts locate and extract it.

  7. www.nationalgeographic.org › encyclopedia › petroleumPetroleum - National Geographic Society

    Oct 19, 2023 · However, there are three primary sources of crude oil that set reference points for ranking and pricing other oil supplies: Brent Crude, West Texas Intermediate, and Dubai and Oman. Brent Crude is a mixture that comes from 15 different oil fields between Scotland and Norway in the North Sea.

  8. dictionary.cambridge.org › dictionary › englishCRUDE OIL | English meaning - Cambridge Dictionary

    CRUDE OIL definition: 1. oil from underground that has not yet been made into other products 2. oil in a natural state…. Learn more.

  9. energyeducation.ca › encyclopedia › Crude_oilCrude oil - Energy Education

    Crude oil is the liquid component of petroleum and it varies drastically in its composition. Although the specific amounts of different hydrocarbons varies, it is always composed of a series of different hydrocarbons. Generally crude oil is about 85% carbon by weight, and most of the rest is hydrogen. Within crude oil there are also significant ...

  10. dictionary.cambridge.org › us › dictionaryCRUDE OIL | definition in the Cambridge English Dictionary

    CRUDE OIL meaning: 1. oil from underground that has not yet been made into other products 2. oil in a natural state…. Learn more.

  11. www.dictionary.com › browse › crude oilCRUDE OIL Definition & Meaning | Dictionary.com

    Crude oil definition: petroleum as it comes from the ground, before refining.. See examples of CRUDE OIL used in a sentence.