Research progress of quaternary ammonium polymer in petroleum engineering field
Quaternary ammonium salt polymers,a kind of polymer with a quaternary ammonium group,are widely used in petroleum engineering field due to their good water-solubility,temperature resistance,salt resistance and acid resistance.The synthesis methods of different types of quaternary ammonium monomers are summarized.The research status of quaternary ammonium salt polymer at home and abroad used in the field of petroleum engineering as thickener for fracturing,thickener for acidizing,diverting agent for acidizing,clay stabilizer and oil displacement agent for enhanced oil recovery is analyzed,The future research focus of quaternary ammonium polymer in petroleum engineering field is prospected.
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