CPC C09K 8/588 (2013.01) [C09K 8/88 (2013.01); C09K 8/887 (2013.01); C09K 8/92 (2013.01); E21B 33/138 (2013.01)] | 14 Claims |
1. A composition comprising:
a) a degradable polymeric cage comprising a polymer having one or more monomer(s), wherein said polymer is crosslinked with a labile crosslinker to form said cage, wherein the amount of labile crosslinker to monomer(s) is less than 1% by weight;
b) a gelation agent within said cage that is released upon degradation of said cage; and
c) an expandable polymeric particle and a fluid comprising water;
wherein said gelation agent can crosslink said expandable polymeric polymer to form a gel when said cage is degraded and said gelation agent is released, and
wherein said expandable polymeric particle comprises partially hydrolyzed polyacrylamide.
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