Subterranean formation water permeability reducing methods

   
   

Methods of reducing the water permeability of a water producing zone in a subterranean formation are provided. The methods basically comprise introducing a polymeric surfactant and an inert gas into the water producing zone to thereby form a water permeability reducing foam therein. The polymeric surfactant has the property of facilitating the formation of the foam and the additional property of stabilizing the foam in the presence of flowing formation water.

Los métodos de reducir la permeabilidad de agua de un agua que produce zona en una formación subterránea se proporcionan. Los métodos abarcan básicamente introducir un surfactant polimérico y un gas inerte en el agua produciendo zona de tal modo para formar una permeabilidad de agua que reduce espuma en esto. El surfactant polimérico tiene la característica de facilitar la formación de la espuma y la característica adicional de estabilizar la espuma en la presencia del agua de la formación que fluye.

 
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