| abstract |
A preparation method of a particle-filled high-strength profile control and flooding agent comprises the steps of adding clean water, polyacrylamide, acrylamide, acrylic acid and polyethylene glycol diacrylate into a stirring kettle, stirring, dissolving and dispersing uniformly, adding calcium carbonate powder, fly ash powder, rice hull powder and wood dust powder, stirring and dispersing uniformly, adding an alkaline compound to adjust the pH value, adding a hydrogen peroxide compound to stir uniformly, adding a reducing compound to stir uniformly after adding, pouring the mixture into a reaction container, carrying out point heating, and screening after the reaction is finished to obtain the profile control and flooding agent; the obtained modifying and flooding agent can improve the strength of the water-absorbent resin, improve the high-temperature resistance of the water-absorbent resin, improve the modifying and flooding wave and volume and prolong the modifying and flooding validity period. |