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The chemical elements are: Carbon 83-87 percent, Hydrogen 10-14 percent, Nitrogen 0.1-2 percent, Oxygen 0.1-1.5 percent, sulfur 0.5-6 percent, metals less than 0.1 percent. There is some variation in oil from different fields.

Petroleum is a mixture of a very large number of different hydrocarbons. The alkanes are saturated hydrocarbons. From pentane (C5H12) to octane (C8H18) are used for gasoline(petrol) whilst the ones from nonane (C9H20) to hexadecane (C16H34) are used for kerosene and diesel fuel, from hexadecane up for heavy fuel oil and lubricating oil.

There are also cycloalkanes and aromatic hydrocarbons.

These different molecules are separated at the refinery by fractional distillation.

See the Wikipedia entry for Petroleum for more information.

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Q: What are the parts of a barrel of crude oil?
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How do you convert barrel of crude oil to barrel of refined oil?

After crude oil is removed from the ground, it is sent to a refinery by pipeline, ship, or barge. At a refinery, different parts of the crude oil are separated into usable petroleum products.


How many gallons of gasoline are there in a barrel of crude oil?

Zero. A barrel or crude oil contains... crude oil.


What is the size of a barrel of crude oil?

A barrel of crude oil is 159 Litres.


How many gallons of crude are in 1 barrel of crude?

1 barrel of crude oil equals 42 US gallons of crude oil.


How gal in a barrel of CRUDE oil?

There are 42 US gallons of crude oil in one barrel.


What do you get from a barrel of crude oil?

About 19.6 gallons of gasoline from each 42-gallon barrel of crude oil.


How much was a barrel of crude oil worth?

That was the month and year that a barrel of crude oil reached its highest level: $128.08 per barrel.


How much is a barrel of gas oil?

Crude oil is crude oil, there is no such thing as gas oil. Gasoline is refined from crude oil. 1 barrel of Benchmark crude oil for May delivery is currently $48.20 as of 3/31/09.


What is today's price on oil?

The Crude Oil and Commodity Prices on April, Friday 25 2014 are: WTI Crude Oil is $101.94/barrel and Brent Crude Oil is $110.33/barrel.


What is today's oil prices?

The Crude Oil and Commodity Prices on April, Friday 25 2014 are: WTI Crude Oil is $101.94/barrel and Brent Crude Oil is $110.33/barrel.


What is the total that comes from a barrel of crude oil?

A standard barrel of crude oil is 42 US gallons or 160 liters.


How many gallons of gasoline from a barrel of crude oil?

Each barrel of crude oil produces about 19.6 gallons of gasoline.