New Danish research shows how oil gets stuck underground
Monday, May 11, 2009 - 09:49
in Earth & Climate
It is a mystery to many people why the world is running out of oil when most of the world's oilfields have only been half emptied. However some of the oil that has been located is trapped as droplets of oil in small cavities in the surrounding rock or is stuck to the walls of the underground cavity and cannot be accessed by the techniques currently used in the oil industry.