Commercial measure of oil quantity in Russia.
Unlike world trades which are using the volumetric measure (barrels or bbl), Russia is using the mass measure (tonne or t).
Conversion to oil barrels for popular crudes in brought in the table below:
If crude is not specified then the most popular conversion factor by default is 7.276 bbl/t mostly because Urals is the most popular crude traded in tonnes.
See Also
Petroleum Industry / Upstream / Petroleum Production / Surface Production Operations
[ bbl (oil) ]