Well servicing fluid

C - Chemistry – Metallurgy – 09 – K

Patent

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Details

C09K 8/68 (2006.01) E21B 43/26 (2006.01)

Patent

CA 2744620

A well servicing fluid formulated with ingredients comprising a viscosifying polymer that is a crosslinked copolymer of an ethylenically unsaturated dicarboxylic anhydride and an alkyl vinyl ether, or the di-acid thereof; a pH adjuster capable of maintaining a pH of 5.5 or greater; and a solvent. Methods of treating a well formation with the wellbore servicing fluid and methods of making the wellbore servicing fluid are also disclosed.

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