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  2. Petroleum product - Wikipedia

    en.wikipedia.org/wiki/Petroleum_product

    Petroleum products are materials derived from crude oil (petroleum) as it is processed in oil refineries. Unlike petrochemicals, which are a collection of well-defined usually pure organic compounds, petroleum products are complex mixtures. [1] Most petroleum is converted into petroleum products, which include several classes of fuels.

  3. Petroleum - Wikipedia

    en.wikipedia.org/wiki/Petroleum

    Petroleum or crude oil, also referred to as simply oil, is a naturally occurring yellowish-black liquid mixture of mainly hydrocarbons, [1] 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 ...

  4. Free product - Wikipedia

    en.wikipedia.org/wiki/Free_product

    Free product. In mathematics, specifically group theory, the free product is an operation that takes two groups G and H and constructs a new group G ∗ H. The result contains both G and H as subgroups, is generated by the elements of these subgroups, and is the “ universal ” group having these properties, in the sense that any two ...

  5. Petrochemical - Wikipedia

    en.wikipedia.org/wiki/Petrochemical

    Petrochemical plant in Saudi Arabia. Petrochemicals (sometimes abbreviated as petchems[1]) are the chemical products obtained from petroleum by refining. Some chemical compounds made from petroleum are also obtained from other fossil fuels, such as coal or natural gas, or renewable sources such as maize, palm fruit or sugar cane.

  6. Petroleum in the United States - Wikipedia

    en.wikipedia.org/wiki/Petroleum_in_the_United_States

    Petroleum has been a major industry in the United States since the 1859 Pennsylvania oil rush around Titusville, Pennsylvania. Commonly characterized as "Big Oil", the industry includes exploration, production, refining, transportation, and marketing of oil and natural gas products. [1] The leading crude oil-producing areas in the United States ...

  7. Robert Chesebrough - Wikipedia

    en.wikipedia.org/wiki/Robert_Chesebrough

    To further create demand, he gave out free samples, one of the first instances of it ever being done. Chesebrough opened his first factory in 1870. The first known reference to the name Vaseline is in his U.S. patent: "I, Robert Chesebrough, have invented a new and useful product from petroleum which I have named 'Vaseline…'" .

  8. Oil refinery - Wikipedia

    en.wikipedia.org/wiki/Oil_refinery

    An oil refinery or petroleum refinery is an industrial process plant where petroleum (crude oil) is transformed and refined into products such as gasoline (petrol), diesel fuel, asphalt base, fuel oils, heating oil, kerosene, liquefied petroleum gas and petroleum naphtha.

  9. Petroleum naphtha - Wikipedia

    en.wikipedia.org/wiki/Petroleum_naphtha

    Petroleum naphtha is an intermediate hydrocarbon liquid stream derived from the refining of crude oil [1] [2] [3] with CAS-no 64742-48-9. [4] It is most usually desulfurized and then catalytically reformed, which rearranges or restructures the hydrocarbon molecules in the naphtha as well as breaking some of the molecules into smaller molecules to produce a high-octane component of gasoline (or ...