Viscoelastic surfactant fluids having enhanced shear...

Earth boring – well treating – and oil field chemistry – Earth boring – Contains organic component

Reexamination Certificate

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C507S224000, C507S110000, C507S209000

Reexamination Certificate

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11272633

ABSTRACT:
A method of treating a subterranean formation by injecting down a well an aqueous fluid containing a viscoelastic surfactant fluid comprising an enhanced shear recovery agent wherein shear recovery time of the viscoelastic surfactant fluid is reduced by the addition of the enhanced shear recovery agent, and a viscoelastic surfactant fluid composition thereof.

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