Hydrocarbon recovery using fluids
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United States of America Patent
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Aug 10, 2010
Grant Date -
Apr 10, 2008
app pub date -
Oct 10, 2006
filing date -
Oct 10, 2006
priority date (Note) -
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Abstract
The recovery of hydrocarbons from hydrocarbon bearing rock, sands or other geological materials (collectively “rock”) uses a recovery fluid. In certain embodiments, the recovery fluid includes miscible compounds or an azeotrope-forming mixture (including an azeotrope), used alone or with other compositions. Two or more compounds in the recovery fluid yield a mixture with different and/or improved characteristics over those of one or more of the component compounds in both liquid and vapor states.
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