High temperature gellant for viscosity modification of low and high density brines
In accordance with the present invention, the rheology of an aqueous fluid is modified by a method which comprises adding to said aqueous fluid an amount of a viscoelastic composition sufficient to form a viscoelastic fluid. The viscoelastic composition of the invention comprises a combination of i)...
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| Format: | Patent |
| Sprache: | eng ; fre ; ger |
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| Zusammenfassung: | In accordance with the present invention, the rheology of an aqueous fluid is modified by a method which comprises adding to said aqueous fluid an amount of a viscoelastic composition sufficient to form a viscoelastic fluid. The viscoelastic composition of the invention comprises a combination of i) at least one alkyl amido quaternary amine, and ii) at least one coadditive that comprises a C 8-24 linear alkyl and/or alpha-olefin sulfate and/or sulphonate. |
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