ASP驱油过程中蒙脱石的碱溶规律研究

RESEARCH ON THE INTERACTIONS OF MONTMORILLONITE WITH ALKALINE SOLUTION

摘要: 研究了蒙脱石与碱剂（Na2CO3,NaOH)间的作用，考察了浓度，聚合物和NaCl对蒙脱石与碱剂相互作用的影响，蒙脱石在强碱和弱碱溶液中都发生了溶蚀作用，在氢氧化钠溶液中还生成了新硅铝酸盐沉淀，蒙脱石在强碱溶液中溶蚀更剧烈，并随强碱溶液浓度增大溶蚀加剧，聚合物加入到碱剂中对蒙脱石的溶蚀影响不大，加入NaCl于碱剂中蒙脱石的溶蚀略有增大，蒙脱石在Na2CO3溶液中有明显膨胀。

Abstract: This paper presents the results of a laboratory study of the interactions between montmorillonite and alkaline flooding agents under different concentrations.The results indicated that montmorillonite subjected to corrosion in alkaline solutions and produ