Patents Assigned to Ste Exploit. de Produits pour Industries Chimiques
  • Method of treating underground formations or cavities by microgels
    Patent number: 8263533
    Abstract: The present invention relates to a method of treating porous and permeable underground formations or cavities of reservoir rock or sand foundation type. The method consists in injecting a liquid composition comprising microgels into the formations in order to reduce the production of water, gas or sands, and/or for zone abandonment.
    Type: Grant
    Filed: August 22, 2005
    Date of Patent: September 11, 2012
    Assignees: IFP, Ste Exploit. de Produits pour Industries Chimiques
    Inventors: René Tabary, Guy Chauveteau, Paul Mallo, Olivier Braun, Eric Vilain, Alain Zaitoun