大庆油田第九采油厂龙一联污水处理场沉降罐上部油水界面处出现一层难以去除的乳化漂浮物。

There appears an emulsified layer which is hard to remove between the oil-water interface in the sedimentation tank located at Longyilian united station.

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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%.

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