Methods for reducing the viscosity of treatment fluids

Details Methods for reducing the viscosity of treatment fluids Methods for reducing the viscosity of treatment fluids

E - Fixed Constructions

21

B

E21B 43/22 (2006.01) E21B 43/25 (2006.01)

Patent

CA 2531008

In one embodiment, the present invention provides a method of treating a subterranean formation comprising providing a viscosified treatment fluid that comprises a base fluid and a gelling agent, providing a breaker composition that comprises an oxidizing breaker and a breaker activator that comprises a metal and a protein, allowing the viscosified treatment fluid to interact with the breaker composition, treating the subterranean formation with the viscosified treatment fluid, and allowing a viscosity of the viscosified treatment fluid to be reduced. Embodiments of the invention also provide methods of reducing the viscosity of a viscosified treatment fluids and methods of activating oxidizing breakers.

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