Steam foam drive method for enhanced oil recovery

Details Steam foam drive method for enhanced oil recovery Steam foam drive method for enhanced oil recovery

1990-10-25

1991-08-27

Suchfield, George A.

Wells

Processes

Distinct, separate injection and producing wells

166273, 166309, E21B 4322, E21B 4324

Patent

active

050425838

ABSTRACT:
A process for the recovery of oil from a petroleum reservoir by improving steam sweep efficiency during steam-flooding, wherein a foaming agent is added to divert steam to unswept zones and the reservoir is penetrated by at least one injection well and at least one production well, which process comprises injecting steam and a surfactant solution into an injection well, while concurrently and separately injecting an additional amount of liquid water into the injection well; and recovering oil from a production well.

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patent: 4085800 (1978-04-01), Engle et al.
patent: 4445573 (1984-05-01), McCaleb
patent: 4470462 (1984-09-01), Hutchison
patent: 4488598 (1984-12-01), Duerksen
patent: 4852653 (1989-08-01), Borchardt

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