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Xanthan cross-linking agents

Surfactants evaluated in surfactant-enhanced alkaline flooding include internal olefin sulfonates (259,261), linear alkyl xylene sulfonates (262), petroleum sulfonates (262), alcohol ethoxysulfates (258,261,263), and alcohol ethoxylates/anionic surfactants (257). Water-thickening polymers, either xanthan or polyacrylamide, can reduce injected fluid mobiHty in alkaline flooding (264) and surfactant-enhanced alkaline flooding (259,263). The combined use of alkah, surfactant, and water-thickening polymer has been termed the alkaH—surfactant—polymer (ASP) process. Cross-linked polymers have been used to increase volumetric sweep efficiency of surfactant—polymer—alkaline agent formulations (265). [Pg.194]

See other pages where Xanthan cross-linking agents is mentioned: [Pg.366]    [Pg.98]    [Pg.43]    [Pg.226]    [Pg.824]    [Pg.226]    [Pg.118]    [Pg.32]    [Pg.66]    [Pg.205]    [Pg.1034]   
See also in sourсe #XX -- [ Pg.32 ]



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