http://www.guardian.co.uk/life/feature/story/0,13026,1464050,00.html
"About 944bn barrels of oil has so far been extracted, some 764bn remains extractable in known fields, or reserves, and a further 142bn of reserves are classed as 'yet-to-find', meaning what oil is expected to be discovered. If this is so, then the overall oil peak arrives next year,"
