The phrase "oil supply" refers to the amount of oil available for use. It is used to describe how much oil is produced and ready for distribution to meet the demand for fuel, heating, and other purposes. Full definition
To find that out you would simply divide the part of the budget allocated to protect global oil supplies by the amount of energy contained in that supply. (energytrendsinsider.com)
They also have greater oil supply in the external reservoir and are therefore not as sensitive to heating as standard dampers. (mercedesblog.com)
The trade seemed disappointed that the overall 3 - million - barrel build in crude oil supply was higher than expected. (futuresmag.com)