Method for the recovery of oil

Details Method for the recovery of oil Method for the recovery of oil

E - Fixed Constructions

21

B

166/31

E21B 43/22 (2006.01) C09K 8/592 (2006.01) C09K 8/86 (2006.01) C10G 1/00 (2006.01) E21B 43/24 (2006.01)

Patent

CA 1076954

ABSTRACT Recovery of heavy oil involves injecting a solvent eg toluene for the oil in admixture with either (i) a steam distillable surfactant eg butylamine or (ii) a short lived surfactant eg a petroleum sulphonate and then injecting steam.

303872

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