用黏度法确定原油乳状液的合适破乳温度

Confirmation of proper demulsifing temperature of crude oil emulsions by viscometric method

使用旋转黏度计考察了油包水(W/O)型原油乳状液体系与原油乳状液加入破乳剂后的体系两者在表观黏度上的差别。分析了产生这些差别的原因,对其中出现的特殊现象给出了合理的解释。通过对比发现2种体系的黏度差值与适宜破乳温度存在一定的关系,并通过实验进一步验证了这种关系,为原油生产中确定适宜破乳温度提供了新途径。

The difference between the crude water-in-oil emulsion and the emulsion added with demulsifier in the apparent viscosity was studied by with a rotary viscometer. The special phenomena in the process was analyzed and explained. The relationship between proper demulsification temperature and the difference of viscosity number between the two emulsions was found and verified by further experiments which gives a new way to confirm the proper demulsification temperature.