Reservoir treatment fluids

Details Reservoir treatment fluids Reservoir treatment fluids

2005-06-07

2005-06-07

Tucker, Philip C. (Department: 1712)

Earth boring, well treating, and oil field chemistry

Well treating

Contains organic component

C507S235000, C507S236000, C507S237000, C507S238000, C507S260000, C507S090000

Reexamination Certificate

active

06903054

ABSTRACT:
A method of treating a hydrocarbon-containing formation is disclosed. The method includes injecting a well treating fluid into a well, wherein the well treating fluid includes a self-diverting acid that includes about 1% to 30% by weight of at least one acid selected from the group consisting of hydrochloric acid, sulfuric acid, phosphoric acid, formic acid, acetic acid, citric acid, maleic acid, hydrofluoric acid and mixtures thereof; and about 1% to 20% by volume of at least one viscoelastic surfactant selected from a family of compounds described bywhere R3contains at least 10 carbon atoms, p=1-6, R2contains 1-6 carbon atoms and R1contains 1-6 carbon atoms; and about 0.7% to 20% by weight scale inhibitor.

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patent: 03/054352 (2003-07-01), None

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