Squeeze composition for restoring isolation

Details Squeeze composition for restoring isolation Squeeze composition for restoring isolation

C - Chemistry, Metallurgy

09

K

C09K 8/44 (2006.01) E21B 33/138 (2006.01) E21B 33/14 (2006.01)

Patent

CA 2708482

The invention discloses a method of treating a wellbore, comprising the step mixing an alkali swellable polymer and a first material, wherein said first material does not cause said alkali swellable polymer to swell significantly; and placing said alkali swellable polymer and said first material in the wellbore.

La présente invention concerne un procédé destiné au traitement d'un puits de forage. Ce procédé consiste d'abord à mélanger entre eux un polymère gonflant aux alcalis et un premier matériau, ledit premier matériau n'amenant pas ledit polymère gonflant aux alcalis à gonfler de façon notable, puis à mettre dans le puits de forage ledit polymère gonflant aux alcalis ledit premier matériau.

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