Quality-wise, who has the best crude oil in the world?

Best quality crude oil in the gulf region found in Iraq around Basra region called Rumaila oil field, The oil is sweet (low in sulphur) and light (High API), this oil field is one of the main reason for first Gulf war (Invasion of Kuwait by Iraq). read more

However, as discussed in the links, a crude that has less than 0.5% sulfur content is sweet crude. Oil that is between 37 to 42 degrees API in density is light oil. Other definitions exist (see link), however this appears the range used for US produced crude. read more

Oil has been one of the most important commodities in the world, and the discovery of oil deposits have both skyrocketed the economies of many countries and drive new quests for more deposits. The commodity that keeps the world running provides vast amounts of power to the countries that produce the most crude oil in the world. read more