RT Daniel (@VoteLewko)Australia has 17.5 billion barrels of recoverable shale oil, (or roughly 403 billion barrels in place depending on which measure you use) and we use around 397 million barrels of oil per year. So depending which measure you use we have at least 45 years or 1000 years before any further exploration.But we can't access it.Linc Energy (now in administration) discovered about 233 billion barrels of shale oil in Australia a few years ago. They couldn't get development approval. You can gues ...