Patent ID: 8813845

Claim:
A method comprising: providing a treatment fluid that comprises an aqueous base fluid, a viscoelastic surfactant, and an amphiphilic polymer, the amphiphilic polymer comprising: a hydrophobic component, and a hydrophilic component itself comprising at least 15 monomer units; wherein the amphiphilic polymer comprises: a hydrophobic component selected from the group consisting of polybutadiene, polyisoprene, polystyrene, and combinations thereof, and, a hydrophilic component selected from the group consisting of an ethoxylate, polyethylene oxide (PEO), polyacrylic acid (PAA), polyethylacetate, dimethylacrylamide (DMA), n-isopropylacrylamide (NIPAM), polyvinylpyrrolidone (PVP), polyethyleneimine (PEI), derivatives thereof, and combinations thereof; and, introducing the treatment fluid into at least a portion of a subterranean formation.