三次采油中驱油剂与防膨剂配伍性的研究

Study on Compatibility of Oil Displacement Agents and Anti-swelling Agents in EOR

研究了三次采油中驱油剂与防膨剂的配伍性。首先考察了驱油剂对驱油剂防膨剂防膨效果的影响,再研究了防膨剂对驱油剂界面张力及驱油效率的影响。结果表明,驱油剂基本上不影响防膨剂的使用效果;防膨剂使驱油剂的界面张力降至更低,同一种防膨剂对于不同驱油剂的驱油效率有不同的影响,驱油剂A驱油效率略有提高,驱油剂B驱油效率降低到13.97%,驱油剂C驱油效率大幅降低。

Compatibility of oil displacement agents and anti - swelling agents in EOR was studied, including influences of oil displacement agents on the anti - swelling effect of anti - swelling agents and influences of anti - swelling agents on the interface tension and oil displacing effect ofoil displacement agents. The results showed that the oil displacement agents affect hardly the effect of the anti - swelling agents, but the anti - swelling agents depressed the interface tension of the oil displacement agents and one anti - swelling agent affected the effects of different oil displacement agents with dissimilar manners. For example, the effect of oil displacement agent A was somewhat heightened,that of the B was depressed to 13. 97% ,and that of the C was also depressed obviously.