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用相态实验方法研究了助剂ＮＰＣ－７、环烷基油和石蜡基油等对石油磺酸盐ＫＰＳ－ＯＪ２Ｗ与部分水解聚丙烯酰胺（ＨＰＡＭ）配伍性的影响，并初步考察了体系与原油间界面张力的变化情况。实验结果表明，助剂ＮＰＣ－７和环烷基油可以有效地改善石油磺酸盐ＫＰＳ－ＯＪ２Ｗ和ＨＰＡＭ的配伍性，但与环烷基油的加入量有关。环烷基油对体系与原油间界面张力的影响不大，而助剂ＮＰＣ－７使体系与原油间的界面张力提高了约一个数量级
The influence of additives NPC-7, naphthenic oil and paraffinic oil on compatibility of petroleum sulfonate KPS-OJ2W and partially hydrolyzed polyacrylamide (HPAM) was studied by phase-state experiment. The effects of system and Changes in interfacial tension between crude oils. The experimental results show that the additive NPC-7 and naphthenic oil can effectively improve the compatibility of petroleum sulfonate KPS-OJ2W and HPAM, but with naphthenic oil added. The naphthenic oil had little effect on the interfacial tension between the system and the crude oil, while the additive NPC-7 increased the interfacial tension between the system and the crude oil by about one order of magnitude