When these western countries go to developing countries to drill for oil how much taxes do they pay?

How much do the government of that country earn on the oil field! how do they decide how much taxes they pay in term of per barrel of oil!When these western countries go to developing countries to drill for oil how much taxes do they pay?
Each country can tax as much as it wants.





Most of the large producing countries have nationalized part or all of the facilities built by the oil comapnies. They simply say, ';Thank you. Your stuff belongs to us now.';