Silicate-containing oil recovery compositions

Details Silicate-containing oil recovery compositions Silicate-containing oil recovery compositions

E - Fixed Constructions

21

B

31/31

E21B 43/24 (2006.01) E21B 43/22 (2006.01)

Patent

CA 1248342

ABSTRACT OF THE INVENTION There is provided herein a process and composition for the enhanced recovery of oil from subterranean formations comprising injecting in combination with steam a composition comprising (a) an anionic surfactant (b) a hydrotrope, and (c) an alkali metal silicate. In a further embodiment, the anionic surfactant and alkali metal silicate alone may be used in 8 steam recovery process as an effective oil recovery method.

472261

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