Patent ID: 8030249

Claim:
A method of treating at least a portion of a subterranean formation, the method comprising: providing a solid water-hydrolysable material selected from the group consisting of: a chitin; a chitosan; a protein; a poly(hydroxybutyrate); a poly(anhydride); and aliphatic polycarbonate; a poly(orthoester); a poly(amino acid); a polyphoxphazene; a polyvinyl alcohol; or a copolymer thereof; introducing the solid water-hydrolysable material into a well bore penetrating the subterranean formation; providing a treatment fluid comprising an aqueous liquid and about 20% to about 99% by weight of the treatment fluid of propylene carbonate; introducing the treatment fluid into the well bore so as to contact the solid water-hydrolysable material; and hydrolyzing the solid water-hydrolysable material.