Here are a few links to oil shale.
This one was a paper done in May of 2005 that states that it is not economicly viable yet.
http://emd.aapg.org/technical_areas/oil_shale.cfm
Here is a quote from the article.
Quote:
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The amount of shale oil that can be recovered from a given deposit depends upon many factors. Some deposits or portions thereof, such as large areas of the Devonian black shales in eastern United States, may be too deeply buried to economically mine in the foreseeable future. Surface land uses may greatly restrict the availability of some oil shale deposits for development, especially those in the industrial western countries. The bottom line in developing a large oil shale industry will be governed by the price of petroleum-based crude oil. When the price of shale oil is comparable to that of crude oil because of diminishing resources of crude, then shale oil may find a place in the world fossil energy mix.
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Here is a newspaper article on it from 2005.
http://seattletimes.nwsource.com/html/nationworld/2002463368_oilstudy01.html
One quote from it (Take note that right now oil is a lot less then $70 a barrel):
Quote:
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However, oil prices, which spiked above $70 a barrel this week, combined with advances in technology could soon make it possible to tap the estimated 500 billion to 1.1 trillion recoverable barrels, the report found.
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One day this will be a huge benefit to the US and the world, but not yet.