The range of carbon numbers per molecule for the fractions of petroleum commonly produced by distillation:
01 - 02 - Natural gas
03 - 04 - Liguified petroleum gas (LPG)
05 - 11 - Gasoline
12 - 14 - Kerosene or jet fuel
15 - 19 - Fuel or diesel fuel
20 - 40 - Heavy gas oil, light to medium lubricating oils
41 + XXX - Asphalt (residue left by distillation)
Heavy hydrocarbons and bitumens include asphalt, tar, pitch, albertite, gilsonite, and grahamite.