Exfoliation of asphaltenes for improved recovery of unconventional oils
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United States of America Patent
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Sep 1, 2015
Grant Date -
Aug 29, 2013
app pub date -
Feb 24, 2012
filing date -
Feb 24, 2012
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Abstract
A method for decomposing an asphaltene particle includes contacting the asphaltene particle with an intercalating agent and separating an asphaltene molecule from the asphaltene particle to decompose the asphaltene particle. Dispersing an asphaltene particle includes functionalizing the asphaltene particle and contacting the asphaltene particle with a solvent to disperse the asphaltene particle. Such asphaltene particle decomposition and dispersal can be used in a method for improving oil recovery that includes disposing a reagent in an oil environment; contacting an asphaltene particle with the reagent; decomposing the asphaltene particle to produce decomposed asphaltene; and displacing the decomposed asphaltene to improve oil recovery.
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