The Egyptian Petroleum Authority (EPA) has said that the country's reserves of oil and natural gas have risen to 18.3 billion barrels in (2009-2010) in what makes the proven reserves rise to 20 billion barrels in the next two years, Kuna has reported. During the last decade, Egypt achieved the highest rate of success on prospecting and exploration activities in Northern Africa region, with the total reserves discovered of oil and natural gas exceeding those found in Libya, Tunisia and Algeria combined, EPA said.