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As a new application in oil production the acoustic wave technique has an effective influence on wax control and viscosity reducing.
作为物理法采油技术的一种新应用，声波技术在原油防蜡降粘方向取得了有效的应用效果。
Performance of chemical additives has been evaluated from thermal stability, viscosity reducing, oil fraction analysis and physics simulation test.
从热稳定性、降粘性能、原油馏分分析、物理模拟试验方面对化学添加剂进行了性能评价。
And summarized the types of surfactants used in heavy oil emulsifying and viscosity reducing and the main types of nonionic surfactants in common use.
综述了稠油乳化降黏用表面活性剂的类型及其常用的非离子型表面活性剂的主要类型。
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