IN SITU COMBUSTION WITH A MOBILE FLUID ZONE
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United States of America Patent
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Issued Date -
Feb 5, 2015
app pub date -
Jul 9, 2014
filing date -
Jul 12, 2013
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Abstract
A process for hydrocarbon recovery from an oil sands reservoir having a mobile fluid zone above a bitumen zone. The process includes generating, in the bitumen zone a mobilized and through a mobility enhancing process. The process also includes recovering at least some of the original oil-in-place and injecting an oxidizing gas through an oxidizing gas injection well into the reservoir to support in situ combustion in the reservoir. The process includes generating fluid communication between the mobile fluid zone and the mobilized zone and recovering hydrocarbons mobilized by the in situ combustion using a hydrocarbon production well that is in fluid communication with the mobile fluid zone and the mobilized zone.
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