what is bbl oil
Definition - What does Barrel (bbl) mean? A Barrel is a form of measuring oil in terms of unit volume. Also known as an oil barrel, it is usually defined in gallons or liters. In Canada and the US an oil barrel (bbl) is measured at 42 US gallons which are equivalent to 159 liters. A Barrel is also used in other context such as maturing beer in the UK.