If all of the political and logistic woes for Canadian oil sands weren't enough to worry about, now it looks as though producers of the unconventional oil source need to worry about growing operational costs. The Canadian Energy Research Institute just released its most recent report on oil sands, and it says that operational costs for oil sands have grown between 6.3% and 13.2% over the past year.

With so many problems stacking up, several companies that had made big bets on oil sands seem to by shying away from those plans. In this video, Fool contributor Tyler Crowe looks at why all the problems associated with Canadian oil sands make it seem more like a hunt for Moby Dick than an investment.

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