Multifunctional boronic acid crosslinking agents and associated methods

method comprising:

• providing a treatment fluid that comprises:
• an aqueous base fluid;
• a gelling agent;
• and
• a multifunctional boronic acid crosslinking agent comprising a copolymer that comprises at least one boronic acid monomer unit and at least one water-soluble monomer unit;
• wherein the at least one water-soluble monomer unit comprises a monomer selected from the group consisting of an acrylamide, a 2-acrylamido-2-methyl propane sulfonic acid, a N,N-dimethylacrylamide, a vinyl pyrrolidone, a dimethylaminoethyl methacrylate, an acrylic acid, a dimethylaminopropylmethacrylamide, a vinyl amine, a vinyl acetate, a trimethylammoniumethyl methacrylate chloride, a methacrylamide, a hydroxyethyl acrylate, a vinyl sulfonic acid, a vinyl phosphonic acid, a vinylbenzene sulfonic acid, a methacrylic acid, a vinyl caprolactam, a N-vinylformamide, a diallyl amine, a N,N-diallylacetamide, a dimethyldiallyl ammonium halide, an itaconic acid, a styrene sulfonic acid, a methacrylamidoethyltrimethyl ammonium halide, a quaternary salt derivative of acrylamide, a quaternary salt derivative of acrylic acid, an alkyl acrylate, an alkyl methacrylate, an alkyl acrylamide, an alkyl methacrylamide, an alkyl dimethylammoniumethyl methacrylate halide, an alkyl dimethylammoniumpropyl methacrylamide halide, any derivative thereof, and any combination thereof;
• and
• wherein the multifunctional boronic acid crosslinking agent does not comprise a gradient copolymer;
• and
• introducing the treatment fluid into a subterranean formation at a pressure sufficient to create or enhance at least one fracture therein.

A treatment fluid comprising:

• an aqueous base fluid;
• a gelling agent;
• and
• a multifunctional boronic acid crosslinking agent comprising a copolymer that comprises at least one boronic acid monomer unit and at least one water-soluble monomer unit;
• wherein the at least one water-soluble monomer unit comprises a monomer selected from the group consisting of an acrylamide, a 2-acrylamido-2-methyl propane sulfonic acid, a N,N-dimethylacrylamide, a vinyl pyrrolidone, a dimethylaminoethyl methacrylate, an acrylic acid, a dimethylaminopropylmethacrylamide, a vinyl amine, a vinyl acetate, a trimethylammoniumethyl methacrylate chloride, a methacrylamide, a hydroxyethyl acrylate, a vinyl sulfonic acid, a vinyl phosphonic acid, a vinylbenzene sulfonic acid, a methacrylic acid, a vinyl caprolactam, a N-vinylformamide, a diallyl amine, a N,N-diallylacetamide, a dimethyldiallyl ammonium halide, an itaconic acid, a styrene sulfonic acid, a methacrylamidoethyltrimethyl ammonium halide, a quaternary salt derivative of acrylamide, a quaternary salt derivative of acrylic acid, an alkyl acrylate, an alkyl methacrylate, an alkyl acrylamide, an alkyl methacrylamide, an alkyl dimethylammoniumethyl methacrylate halide, an alkyl dimethylammoniumpropyl methacrylamide halide, any derivative thereof, and any combination thereof.