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> Since 1981, Shell researchers at the company's division of “unconventional resources” have been spending their own money trying to figure out how to get usable energy out of oil shale. Judging by the presentation the Rocky Mountain News heard this week, they think they've got it.
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> Shell's method, which it calls “in situ conversion,” is simplicity itself in concept but exquisitely ingenious in execution. Terry O'Connor, a vice president for external and regulatory affairs at Shell Exploration and Production, explained how it's done (and they have done it, in several test projects):
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> Drill shafts into the oil-bearing rock. Drop heaters down the shaft. Cook the rock until the hydrocarbons boil off, the lightest and most desirable first. Collect them.
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> They don't need subsidies; the process should be commercially feasible with world oil prices at $30 a barrel. The energy balance is favorable; under a conservative life-cycle analysis, it should yield 3.5 units of energy for every 1 unit used in production. The process recovers about 10 times as much oil as mining the rock and crushing and cooking it at the surface, and it's a more desirable grade. Reclamation is easier because the only thing that comes to the surface is the oil you want.
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Via Instapundit [1], “SHELL'S INGENIOUS APPROACH TO OIL SHALE IS PRETTY SLICK [2]”
I've said before I'm bullish on energy futures [3], and it's nice to know that we have a few more years yet to perfect oil from garbage [4] (which I personally would like to see, if only to reduce the amount of landfills in use).
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