Patent ID: 8188013

Claim:
A subterranean treatment fluid comprising a base fluid and a plurality of self-degrading fibers, the self-degrading fibers comprising an outer shell, wherein the outer shell of at least one of the self-degrading fibers comprises at least one material selected from the group consisting of: an aliphatic polyester; a poly(lactide); a poly(glycolide); a poly(ε-caprolactone); a poly(hydroxybutyrate); a polyanhydride; an aliphatic polycarbonate; a poly(orthoester); a poly(urethane); a poly(hydroxy ester ether); a poly(phosphazene); and any combination thereof, wherein the fiber concentration is about 0.1% to about 5.0% of the treatment fluid and a core liquid, wherein the core liquid catalyzes or facilitates degradation of the outer shell and comprises at least one material selected from the group consisting of: an alcohol, an acid, an aqueous-based fluid, and any combination thereof.