Enhanced oil recovery process utilizing in situ steam generation

Details Enhanced oil recovery process utilizing in situ steam generation Enhanced oil recovery process utilizing in situ steam generation

1986-05-23

1987-10-13

Suchfield, George A.

Wells

Processes

In situ combustion

166261, E21B 43243

Patent

active

046992138

ABSTRACT:
A process for recovering hydrocarbons from a porous hydrocarbon-bearing formation comprising: (a) injecting water and oxygen into the formation through an injection means and causing at least a portion of the oxygen to combust with a portion of the hydrocarbons in the formation, provided that the oxygen in the formation effectively remains a distance away from the production means, e.g., production well or wells; (b) injecting water, oxygen and hydrocarbons into the formation and causing at least a portion of the oxygen to combust with at least a portion of the injected hydrocarbons; and (c) recovering hydrocarbons from the formation through the production means.

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