Seepage formation sealant for controlling peek-shaped water absorption in water injection well

A seepage formation sealant for controlling peek-shaped water absorption in a water injection well is applied to the water injection process in an oil field or an oil well, is seepage formation sealing for controlling peek-shaped water absorption in the water injection well, and is characterized by comprising the following materials by weight percent: 10 to 20 percent of acrylamide monomer, 0.3 to 0.5 percent of sodium polymethacrylate, 0.2 to 0.5 percent of N-N methylene-bisacrylamide, 1.0 to 2.0 percent of ammonium persulfate, 5 to 15 percent of 50 to 70 mesh methylene-bisacrylamide for objective fracturing, 0.01 to 0.05 percent of foaming agent (alkyl glycoside), and water in balancing amount. The seepage formation sealant has the effects that filtration is carried out on the water absorption peek section of a reservoir bed, a high-seepage section is blocked effectively after polymerization reaction, a certain fluid permeability is reserved, and the permeability of a low seepage section is reduced slightly, so that the waste-absorbing capacities in the length wise direction of a thick oil pay are approximately the same to realize uniform water absorption.