When it comes to profits, they really don't need to add it, IMO (KEYSTONE). The cost of transporting it by trucks, though, is a real killer on profits, especially with protestors always blocking stuff, like when they blocked the trucks shipping the pipe parts north. Some of the refineries have already started (and some completed) the conversion to handle the heavier oil. Oil sands have been discovered throughout the world, along with the shale deposits to release gas. Eventually, the retrofitting of refineries will pay for itself.
Just read an article the other day that the Artic drilling will probably cost the U.S. taxpayer as much as what it costs the oil companies to drill, since the coast guard and Navy must add the artic to it's normal patrols and security, but the coast guard and Navy do not own the ships, heliocopters, etc., that can weather and patrol the artic region.
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