The phrase "quantity of oil" is correct and usable in written English.
For example, you might write a sentence like "The quantity of oil in the tank has decreased over the past few days."
Cost may be a concern because of the sheer quantity of oil used.
1,400 a day, the quantity of oil obtained being 7,000 viss.
But the quantity of oil spilled can sometimes be less important than the location of the accident.
Producing and transporting this quantity of oil, via the Keystone XL pipeline, could increase Canada's carbon emissions by over 30%.
As the supply curve moves upward, the quantity of oil sold goes down and its price goes up.
This article was amended 4 February to adjust the quantity of oil expected from the Jubilee oil field.
It is prepared by cooking down plenty of spinach for hours in a generous quantity of oil.
I have also learned a trick for frying small pieces of food: use a small quantity of oil.
The quantity of oil that can be extracted from the kerogen in the Green River Formation is significant.
This would reduce the number of buyers of Iranian petroleum, without reducing the quantity of oil on the market.
Gulf Keystone Petroleum, an Aim-listed firm that has found a large quantity of oil in the Kurdistan region of Iraq, is the current object of their fervour.
