The viscosity stability of HPAM solution is an important factor that influences the effect of polymer flooding.
聚合物水溶液的黏度稳定性是影响聚合物驱油效果的重要因素。
However, the viscosity of ternary copolymer solution has not been obviously reduced with the increase of calcium ion concentration, while the viscosity of HPAM solution has been reduced by 89%.
随着钙离子浓度的增加，三元共聚物粘度下降不明显，而HPAM溶液粘度下降了89%。
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