Oilfield enhanced in situ combustion process

Details Oilfield enhanced in situ combustion process Oilfield enhanced in situ combustion process

2008-03-13

2009-02-24

Suchfield, George (Department: 3676)

Wells

Processes

In situ combustion

C166S269000, C166S272100, C166S272300, C166S272600, C166S272700

Reexamination Certificate

active

07493953

ABSTRACT:
A process for improved safety and productivity when undertaking oil recovery from an underground reservoir by the toe-to-heel in situ combustion process employing a horizontal production well. Water, steam, and/or a non-oxidizing gas, which in the preferred embodiment substantially comprises carbon dioxide which acts as a gaseous solvent, is injected into the reservoir for improving recovery in an in situ combustion recovery process, via either an injection well, a horizontal well, or both.

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