In situ recovery from a hydrocarbon containing formation using barriers
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United States of America Patent
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Jul 18, 2006
Grant Date -
Oct 16, 2003
app pub date -
Oct 24, 2002
filing date -
Oct 24, 2001
priority date (Note) -
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Abstract
A method is described for inhibiting migration of fluids into and/or out of a treatment area undergoing an in situ conversion process. Barriers in the formation proximate a treatment area may be used to inhibit migration of fluids. Inhibition of migration of fluids may occur before, during, and/or after an in situ treatment process. For example, migration of fluids may be inhibited while heat is provided from heaters to at least a portion of the treatment area. Barriers may include naturally occurring portions (e.g., overburden, and/or underburden) and/or installed portions.
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