According to their latest reports, the Middle East as a whole contains 808 Bbo (BP, 2013), 802 Bbo (EIA, 2013), 799 Bbo (OPEC, 2013) or 797 Bbo (Oil & Gas Journal, 2013). This accounts for nearly one half of the world’s total reserves of about 1.5 to 1.7 Tbo. Oil and gas are the only energy sources in the Middle East (i.e., the only ones that register a %), each meeting 50% of supply. And the region has very cheap production costs that promote use. In Saudi Arabia, for instance, it can cost just $5 to extract a barrel of oil. Middle East contains about half of the world' s proved oil reserves Generally speaking, the main reason for failure of the Arab economic cooperation has been due to: Not having the will