OPENING ISOLATION FOR FLUID INJECTION INTO A FORMATION FROM AN EXPANDED CASING
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United States of America Patent
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Issued Date -
May 1, 2014
app pub date -
Oct 30, 2012
filing date -
Oct 30, 2012
priority date (Note) -
Abandoned
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Abstract
The present invention generally relates to enhanced recovery of petroleum fluids from the subsurface by initiating and propagating vertical permeable inclusions in a plane substantially orthogonal to the borehole axis. These inclusions containing proppant are thus highly permeable and enhance drainage of heavy oil from the formation, and also by steam injection into these planes, enhance oil recovery by heating the oil sand formation, the heavy oil and bitumen, which will drain under gravity and be produced. The present invention generally relates to a method of isolating openings in an expanded casing to provide for fluid injection into the formation in a single longitudinal plane with the wellbore axis.
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