【摘要】 HPAM在高温聚合物驱中应用的关键问题是化学稳定性 .针对大港油田聚合物驱先导试验暴露的问题 ,实验研究了不同水质配制聚合物时溶液粘度的损失规律 ,归纳分析了国外提高 HPAM化学稳定性的添加剂类型及其作用机理 ,从几十种试验配方中筛选出了几个稳定性较好的碱 /聚合物复合驱油体系 ,评价了它们在 6 5℃、有氧条件下的长期稳定性 .更多还原

【Abstract】 The key problem of HPAM application in elevated temperature polymer flooding is chemical stability. To counter the problems revealed from polymer flooding test in Dagang oil field, the viscosity loss of polymer solution prepared by diffent water quality is studied experimentally. Additives to improve the chemical stability of HPAM are sumed up and analysed. Several alkaline/polymer flooding systems with good viscosity stability are screened out of many testing prescriptions. Their long-term stability with the presence of oxygen in 65 ℃ is evaluated.更多还原