GELLABLE, NON-AQUEOUS OIL WELL TREATMENT FLUIDS COMPRISING ELASTOMERIC MALEIC ANHYDRIDE COPOLYMERS

摘要

This document relates to non-aqueous compositions including a maleic anhydride copolymer and a polyamine or polyaziridine crosslinker. The maleic anhydride copolymer includes repeat units I and II: Each R¹ is independently-H, -(C₁-C₅)alkyl, -C=O(O)(C₁-C₅)alkyl, or aryl; and each R? is independently-H, -(C₁-C₅)alkyl, -C=O(O)(C₁-C₅)alkyl, and aryl.