Three new oil layers, with 767 million barrels oil production capacity, have been explored in the lower layers of Mansuri oil field, said Caretaker of Oil Ministry Kazem Vaziri Hamaneh. Hamaneh said that considering 20 percent of the reserves as recoverable, 153 million barrels of oil and 860 million cubic meters of gas can be extracted. He said that by calculating each barrel of oil at $30 and each cubic meter of gas at 2.5 cents, the new reserves are estimated to earn the country $4.6 billion. He added that 16,000 barrels of crude oil and 800,000 cubic meters of natural gas can be extracted from the new deposit.