Apparatus and methods for adjusting operational parameters to recover hydrocarbonaceous and additional products from oil shale and sands
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United States of America Patent
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Nov 20, 2012
Grant Date -
Oct 14, 2010
app pub date -
Apr 9, 2009
filing date -
Apr 9, 2009
priority date (Note) -
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Abstract
Apparatus and methods are described for recovering hydrocarbonaceous and additional products from nonrubilized oil shale and oil/tar sands. One or more initial condensation steps are performed to recover crude-oil products from the effluent gas, followed by one or more subsequent condensation steps to recover additional, non-crude-oil products. The effluent gas is maintained under a negative pressure from the hole and through the initial and subsequent condensation steps. This provides numerous advantages, including the adjustment of various physical parameters during the extraction process. Such adjustment allows the ratio of oils types to be varied, the ratio of hydrocarbonaceous products to non-crude products to be varied, contamination control, and other disclosed advantages.
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