Question

Where is the world most pure mineral oil are found ​

Answer 1

Answer:

Oilfields in Venezuela & Brazil is the world most pure mineral oil are found

Answer 2

Oilfields in Venezuela & Brazil
Venezuela is the largest oil exporter in the Western Hemisphere. Venezuela has 300.88 billion barrels of proved oil reserves, ahead of Saudi Arabia's 266.46 billion barrels of proven oil reserves. Most of these reserves are located in the Orinoco belt.