Abstract: The present disclosure is directed to a method comprising: mixing (i) a zwitterionic polymer prepared by inverse emulsion polymerization of at least one monomer Ab comprising a betaine group and optionally one or more nonionic monomers Ba, (ii) a surfactant and (iii) produced water to form a well servicing fluid. The resulting well servicing fluid is introduced into a hydrocarbon well.

Abstract: The present disclosure is directed to a method comprising: mixing (i) a zwitterionic polymer prepared by inverse emulsion polymerization of at least one monomer Ab comprising a betaine group and optionally one or more nonionic monomers Ba, (ii) a surfactant and (iii) produced water to form a well servicing fluid. The resulting well servicing fluid is introduced into a hydrocarbon well.

Abstract: A composition for treating wellbore formations is provided consisting of a hydratable polysaccharide, an anionic surfactant, and an aqueous solvent where the hydratable polysaccharide is soluble in the aqueous solvent. The concentration of the anionic surfactant is sufficient to scavenge greater than about 50%, and preferably greater than 90% of the cations contained in the aqueous solvent. The hydratable polysaccharide is preferably anionic and may be a guar, guar derivative, galactomannan, cellulose, or cellulose derivative. The composition may also be a slurry used for preparing aqueous well treatment fluid. A method is also provided for utilizing the composition for fracturing a formation by pumping the fluid into the formation.