Diluent-enhanced in-situ combustion hydrocarbon recovery process
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United States of America Patent
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Feb 21, 2012
Grant Date -
Oct 20, 2011
app pub date -
Jun 28, 2011
filing date -
Feb 27, 2006
priority date (Note) -
Expired
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Abstract
A modified process for recovering oil from an underground reservoir using the an in situ combustion process. A diluent, namely a hydrocarbon condensate, is injected within a separate wellbore, or alternatively within said separate wellbore and via tubing in a horizontal wellbore portion, preferably proximate the toe, of a vertical-horizontal well pair, to increase mobility of oil.
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