"If you look at the oil  picture, you find something interesting about where future supplies will come  from. The IEA estimated as recently as November 2008 that the  Canadian oil sands would account for nearly 70% of the increase in  nonconventional oil production between 2009-2030. 
However, with the price of oil where it is, investment  has been cut way back. Already, the Canadian Association of Petroleum  Producers has revised its forecast for investment three times. It's cut it from $20 billion to $10 billion  currently.
 "It begs the question, of course, where the oil will  come from. These swing producers, like the Canadian oil sands, can't stop and  start very easily. They take time. And these swing producers need a higher oil  price to entice them to invest in new projects.