Category Archives: Oil Shale

Why the kerogen in oil shale will never fill up your tank

Source: Oil Shale vs. Shale Oil: What’s the difference? USGS Preface. The basic reason oil shale was never developed was because it was not cooked enough.  Turning it into oil requires so much “cooking energy” that the energy return is … Continue reading

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Over and under-cooked oil — tar sands, “fracked” tight oil & gas

This article discusses why it’s so hard and expensive to extract difficult oils like fracked shale oil, Venezuelan and Canadian oil sands. These are at the bottom of the resource pyramid, so there may be a lot of it, but … Continue reading

Posted in Oil & Gas Fracked, Oil Shale, Tar Sands (Oil Sands) | Tagged , , , , , , | 2 Comments