摘要
通过研究聚丙烯酰胺(HPAM)在油藏环境下水解度变化及其对淀粉-碘化镉检测方法的影响,对传统的淀粉-碘化镉法测定HPAM进行改进,并将改进后的方法与超滤浓缩薄膜干燥法进行比较。实验结果表明,传统的淀粉-碘化镉法测得的HPAM浓度比实际值明显偏低,而改进后的淀粉-碘化镉法与超滤浓缩薄膜干燥法测定的结果有很好的一致性,可以较准确地测定油井产出液中HPAM的浓度,解决了目前油田现场测定HPAM浓度偏低的问题。
The traditional starch-cadmium iodide method was improved by studying the variation of hydrolysis degree of polyacrylamide in reservoir environment and the influence on the starch-cadmium iodide method,and then got compared with the ultrafiltration concentrated film drying method.The results show that the value of HPAM content obtained by traditional starch-cadmium iodide method was obviously lower than the actual value.On the contrary,the determination result of the improved starch-cadmium iodide method was in good agreement with the ultrafiltration concentrated film drying method,which could accurately determine the HPAM content in the well-produced fluid and solve the problem of the field measurement value of HPAM content is generally lower than the actual value.
作者
刘希
伊卓
胡晓娜
李雅婧
方昭
祝纶宇
Liu Xi;Yi Zhuo;Hu Xiaona;Li Yajing;Fang Zhao;Zhu Lunyu(Sinopec Beijing Research Institute of Chemical Industry,Beijing 100013,China)
出处
《石油化工》
CAS
CSCD
北大核心
2021年第8期783-787,共5页
Petrochemical Technology
基金
中国石油化工股份有限公司资助项目(218021-5)。
关键词
聚丙烯酰胺
淀粉-碘化镉法
超滤浓缩薄膜干燥法
polyacrylamide
starch-cadmium iodide method
ultrafiltration concentrated film drying method
