针对这两个问题，本文从聚合工艺和超低界面张力乳化体系两方面开展研究。
To address these problems, twice polymerization process and new emulsifiers with potential ultra-low IFT were studied.
模拟油在岩心中的自发乳化驱采收率和总采收率分别为24.5%和71.8%，与超低界面张力聚合物表面活性剂驱相近。
The simulated oil spontaneous emulsification flooding recovery and total recovery with cores are enhanced by 24.5% and 71.8%.
通过对双子表面活性剂性能的研究发现，双子表面活性剂在单独使用条件下、并且在较宽的范围内，即可降低油水界面张力至超低。
From the research of Gemini surfactants solution properties it can be found that Gemini surfactants can reduce the interfacial tension between oil and solution to ultralow.
对于一给定矿化度的地层水，复配体系能将界面张力降低至超低。
The interfacial tension will decrease to ultralow value for the formation water with given salinity.
通过对双子表面活性剂性能的研究发现，双子表面活性剂在单独使用条件下、并且在较宽的范围内，即可降低油水界面张力至超低。
From the research of Gemini surfactants solution properties, it can be found that Gemini surfactants can reduce the interfacial tension between oil and solution to ultralow.
已萃取原油后的碱渡与新原油之间的界面张力将大幅度降低，可以使其最低值和平衡值都达到超低。
The effect of extraction on the inter facial property of oil with low acid number is more severe than that with high acid number.
已萃取原油后的碱渡与新原油之间的界面张力将大幅度降低，可以使其最低值和平衡值都达到超低。
The effect of extraction on the inter facial property of oil with low acid number is more severe than that with high acid number.
应用推荐