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en.wikipedia.org/wiki/Components_of_crude_oil

The Components of Crude Oil. Crude oil is essentially a mixture of many different hydrocarbons ... Navigation. Main page · Contents · Featured content · Current events · Random article · Donate to Wikipedia · Wikipedia store ...

www.britannica.com/science/crude-oil

Liquid petroleum that is found accumulated in various porous rock ... Those elements form a large variety of complex molecular structures, some of which cannot ... hydrocarbons in crude oil; certain liquid paraffins are the major constituents of ...

science.howstuffworks.com/environmental/energy/oil-refining1.htm

The major classes of hydrocarbons in crude oils include: Paraffins ... On average, crude oils are made of the following elements or compounds: Carbon - 84% ...

oilprice.com/Energy/Crude-Oil/What-Is-Crude-Oil-A-Detailed-Explanation-On-This-Essential-Fossil-Fuel.html

Jul 24, 2009 ... While hydrocarbons are usually the primary component of crude oil, their composition can vary from 50%-97% depending on the type of crude ...

www.petroleum.co.uk/composition

Although the composition of petroleum will contain many trace elements the key ... of the four main hydrocarbons found within petroleum as part of the petroleum  ...

www.slideshare.net/MOHITRKSINGH/crude-oil-28066880

Nov 9, 2013 ... Traces of numerous other Composition of Crude Oil The first type of classification is .... The Heterocompounds, which contain other elements. ... Naphthenes The second major group of hydrocarbons found in crude oils are the ...

www.thoughtco.com/chemical-composition-of-petroleum-607575

Mar 4, 2017 ... Petroleum or crude oil is a complex mixture of hydrocarbons and other chemicals . Here is a look at ... There are four main types of hydrocarbons found in crude oil. ... What Is the Sun Made Of? - Table of Element Composition.

www.chemistryexplained.com/Ny-Pi/Petroleum.html

Although there are 20,000 petroleum fields known worldwide, more than half of the known reserves are contained in the 51 largest fields. The Middle East has ...

toxtown.nlm.nih.gov/text_version/chemicals.php?id=73

Apr 19, 2017 ... Crude oil is used to make fuel and other petroleum products. From the U.S. National Library of Medicine. [ ]

www.pacelabs.com/environmental-services/energy-services-forensics/forensics-101-a-primer/the-origin-and-chemistry-of-petroleum.html

Crude oil is a product of the remains of prehistoric plants and animals, buried in the ... Other elements, such as oxygen (O), sulfur (S), and nitrogen (N), may also be ... A-1 Hydrocarbon composition and boiling ranges for major refined products .