The barrel (symbol bl or bbl ) is gross a measuring unit especially used nowadays for the Pétrole and its derivatives. A barrel of petrol is equivalent to 42 Gallon S American, that is to say approximately 35 Imperial gallons or 159 Liter S.
This dimension (160 liters) comes from the use of wine the barrel of 190 liters in the oil fields of Pennsylvania, but being worth only 160 liters, since it was necessary to take account of the accidental losses which occurred during transport by Bateau. Thereafter, the barrels were filled only with 160 liters.
Outside the the United States, oil is measured in ton S rather than in volume. According to its Density, a ton of crude oil makes between 7 and 9,3 barrels, the world mean being located around 7,6 barrels per ton.
Among the other barrels, let us note:
- Barrel of bulk (English Bulk barrel ), which is worth either 5,8 or 5,0 Cu ft (~164,238 L)
- Barrel imperial (English Imperial barrel ), which is worth 36 Imperial gallons (~163,659 L)
- Baril of brandy (English U.S. proof spirit barrel ), which is worth 40 gallons American (~151,416 L)
- liquid Baril (English U.S. fluid barrel ), which is worth 31,5 gallons American (~119,240 L)
- Baril of beer (English U.S. beer barrel ), which is worth 31 gallons American (~117,348 L)
- dry Baril (English U.S. dry barrel ), which is worth 105 pints dry American (~115,628 L)
- Baril of Vin (English U.S. wine barrel ), which is worth 30 gallons American (~113,562 L)
- Baril of Canneberge S (English U.S. cranberry barrel ), which is worth either 86 and 45/64 pints dry American (~95,479 L), or 5 826 Cu in (~95,471 L)
the abbreviation bbls means Blue Barrel. It comes from the blue color of the barrels of 42 gallons US, system adopted at the end of the XIX century.
The barrel represents today only the measuring unit, oil being transported with the state of bulk out of cistern and the tanker of its point of extraction at its point of refining.
- Conversion of barrel towards other units of volume
- Course of the barrel of petrol
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