According to consulting firm PFC Energy, only 7% of the world's estimated oil and gas reserves are in countries that allow private international companies free rein. Fully 65% are in the hands of state-owned companies such as Saudi Aramco, with the rest in countries such as Russia and Venezuela, where access by Western companies is difficult. The PFC study implies political factors are limiting capacity increases in Mexico, Venezuela, Iran, Iraq, Kuwait and Russia. Saudi Arabia is also limiting capacity expansion, but because of a self-imposed cap, unlike the other countries.[3]
The nationalization of oil supplies has been a gradual process. Before the discovery of oil, Middle Eastern countries such as Iraq, Iran, Saudi Arabia, and Kuwait were all poor and underdeveloped. They were desert kingdoms that had few natural resources and were without adequate financial resources to maintain the State. Poor peasants made up a majority of the