So flow pattern character can be used to estimate the flex point temperature of the crude oil, which will help for selecting the available viscosity reducing method and the viscosity reduction depth.

因此，可以根据流态特征来估计该原油的拐点温度，为选择合适的降粘方法和降粘深度提供了技术指导。

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A method to reduce the viscosity of crude oil in oil production using combination of chemical and physical viscosity - reducing means was introduced.

介绍了稠油开采过程中因稠油粘度过高采用的物理与化学相结合的降粘方法。

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