What is the standard measure of quantity used in the oil production industry?
Barrels Angel's share Barrel aging Beer-barrels Beer barrel Casks Over the barrel Ageing barrel Barrel (storage) Cask Wooden barrel Over a barrel Angels' Share Aging barrel Barrel ageing Aging barrels Barrel
barrel storage cask angels share aging barrel casks barrel beer barrels beer barrel over barrel barrels angel s share wooden barrel aging barrels ageing barrel barrel ageing barrel aging
barrel
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Barrel