Oilfield in-situ combustion process

Details Oilfield in-situ combustion process Oilfield in-situ combustion process

E - Fixed Constructions

21

B

E21B 43/16 (2006.01) E21B 43/243 (2006.01) E21B 43/30 (2006.01)

Patent

CA 2176639

A well arrangement is used wherein the production wells are generally horizontai, positioned low in the reservoir and arranged generally perpendicularly to a laterally extending combustion front. The combustion front is propagated by a row of vertical air injection wells completed high in the reservoir. The open production wells function to cause the combustion front to advance along their lengths. The process is characterized by a generally upright combustion front having good vertical and lateral sweep.

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