Water based foaming composition - method for making same

Details Water based foaming composition - method for making same Water based foaming composition - method for making same

E - Fixed Constructions

21

B

E21B 43/26 (2006.01) B01F 17/00 (2006.01) C09K 8/38 (2006.01) C09K 8/94 (2006.01)

Patent

CA 2246382

The invention concerns a water based foaming composition and the method for making it. The composition is optimised in that it contains a surfactant specifically selected according to the polymer also present in the composition. the surfactant and the polymer are selected such that they are oppositely charged. The invention is very useful in drilling or treating wells.

La présente invention concerne une composition moussante à base d'eau et son procédé de fabrication. La composition est optimisée en ce qu'elle comporte un tensioactif spécifiquement choisi en fonction du type de polymère également présent dans la composition. Le tensioactif et le polymère sont choisis tels qu'ils aient des charges de signe opposé. La présente invention est avantageusement utilisée dans les opérations de forage ou de traitement de puits.

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