Micellar flooding process for recovering oil from petroleum...

Details Micellar flooding process for recovering oil from petroleum... Micellar flooding process for recovering oil from petroleum...

E - Fixed Constructions

21

B

166/31

E21B 43/28 (2006.01) C09K 8/58 (2006.01)

Patent

CA 1063931

"Abstract of the Disclosure" Oil recovery efficiency of tertiary oil recovery processes using a micellar solution as the displacement fluid is improved by injecting a dilute aqueous solution of an alkali metal silicate into the reservoir subsequent to the micellar solution injection and prior to the drive fluid injection. The alkali metal silicate has a M2O/SiO2 ratio of between 1 and 4.

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