LW-1型增效剂对聚丙烯酰胺水溶液增粘的实验研究

EXPERIMENTAL STUDY ON THE VISCOSITY ENHANCEMENT OF PAM AQUEOUS SOLUTION WITH LW-1 TYPE ADDITIVE

研究了LW 1型增效剂对聚丙烯酰胺水溶液的增粘效果 ,考察了增效剂含量、溶液中金属离子浓度、剪切强度、聚合物浓度、pH值对增粘效果的影响 .结果表明 ,增效剂能起到显著的增粘效果 ,对提高原油采收率具有重大意义 .此外 ,初步分析了LW

The viscosity enhancement of PAM aqueous solution with LW-1 type additive was studied. The effect of some varibles such as the content of the additive, ion concentration, shear strength, PAM concentration and pH value on the increase in viscosity of the solution was discussed systematically. It was shown that the viscosity could be increased by 2 similar to 3 times when the content of the additive was up to 8 mg/L. Moreover, a probable machanism of the viscosity enhancement was suggested.