Oil field treatment fluids with viscosified brines

Details Oil field treatment fluids with viscosified brines Oil field treatment fluids with viscosified brines

2011-06-07

2011-06-07

Kugel, Timothy J. (Department: 1765)

Earth boring, well treating, and oil field chemistry

Earth boring

Contains organic component

C166S278000, C166S308100, C175S065000, C507S129000, C507S222000, C507S225000, C507S240000

Reexamination Certificate

active

07956012

ABSTRACT:
The present disclosure is directed to a method comprising introducing into a well bore a fluid comprising a zwitterionic polymer. The polymer is prepared by inverse emulsion polymerization of at least one monomer Abcomprising a betaine group and optionally one or more nonionic monomers Ba. The well bore is chosen from a natural gas well bore and an oil well bore.

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