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.