Viscoelastic surfactant fluids stable at high brine...

Details Viscoelastic surfactant fluids stable at high brine... Viscoelastic surfactant fluids stable at high brine...

2006-12-12

2006-12-12

Tucker, Philip C. (Department: 1712)

Earth boring, well treating, and oil field chemistry

Well treating

Contains organic component

C507S240000, C507S272000, C507S277000

Reexamination Certificate

active

07148185

ABSTRACT:
A viscous aqueous high density well treatment fluid composition stable at high temperature containing a surfactant and inorganic salts is described. Methods of preparing the fluid and increasing the stability and viscosity of the fluid are given. The fluid is useful for wellbore cleanout, hydraulic fracturing, gravel packing, completion, acid diversion, lost circulation reduction, well killing, cementing, selective water shutoff, and fracture fluid diversion.

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U.S. Appl. No. 10/611,766 Hydraulic Fracturing Method.
U.S. Appl. No. 10/249,943 Hydraulic Fracturing Method.

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