OIL - How many gallons in a barrel?

Tripleshot

Elite Member
Jan 29, 2000
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Is it 42 imperial gallons? And 55 us gallons? or are crude oil drums smaller? In fact, I am confused, they don't "off load " drums of oil or gas, they pump it. So this must be something regulated by weights and measures. So which is it, 42 US gallons or 55 Us gallons, or 42 Imperial that is equal to 55 US gallons?
 

McPhreak

Diamond Member
Jul 28, 2000
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Originally posted by: Tripleshot
Is it 42 imperial gallons? And 55 us gallons? or are crude oil drums smaller? In fact, I am confused, they don't "off load " drums of oil or gas, they pump it. So this must be something regulated by weights and measures. So which is it, 42 US gallons or 55 Us gallons, or 42 Imperial that is equal to 55 US gallons?

:confused:
 

FoBoT

No Lifer
Apr 30, 2001
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barrel these days is just a term of measure

it doesn't really come in barrels anymore, it comes on a ship or through a pipeline or in a tanker truck/train

the measure "barrel" is just a legacy term, not a real container to hold oil (well, there are still barrels of course, but a refinery doesn't buy a physical barrel of oil, they buy X number of tanker trucks/train loads/ship loads, etc)
 

ElFenix

Elite Member
Super Moderator
Mar 20, 2000
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Figures are based on 1995 average yields for U.S. refineries. One barrel contains 42 gallons of crude oil. The total volume of products made is 2.2 gallons greater than the original 42 gallons of crude oil. This represents "processing gain."
so maybe its US gallons?
 

feralkid

Lifer
Jan 28, 2002
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Originally posted by: WhoDeeny
Typically they're shipped in 55 gallon drums (aka: the aforementioned barrel)





You just made that up, didn't you? What's up with that?





42




and yes, it's just a unit of measurement, like bushels, dozens etc....there are no actual "drums".

 

milagro

Golden Member
Jun 19, 2001
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Originally posted by: feralkid
Originally posted by: WhoDeeny
Typically they're shipped in 55 gallon drums (aka: the aforementioned barrel)





You just made that up, didn't you? What's up with that?





42




and yes, it's just a unit of measurement, like bushels, dozens etc....there are no actual "drums".

However, your metal drum size is a 55-gallon drum and they are used everywhere though not for shipping crude oil, except maybe when its been pumped out of the ground as part of an environmental remediation project. Smaller sizes (35 -10) are also used.