Category Archives: Oil Shale

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