In situ method and system for extraction of oil from shale
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United States of America Patent
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Apr 24, 2012
Grant Date -
Jul 21, 2011
app pub date -
Mar 3, 2011
filing date -
Jan 20, 2006
priority date (Note) -
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Abstract
A process for retorting and extracting sub-surface hydrocarbons. The process comprises drilling an energy delivery well extending from the surface to a location proximate a bottom of the hydrocarbons. The hydrocarbons are heated from the bottom to form a retort, the retort extending along a portion of the energy delivery well. A vapor tube is extended to a location proximate the retort, the vapor tube having an entrance corresponding to the region of the retort along the energy delivery well that is nearest the surface exit.
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