An analysis is made in the paper of the theoretical basis on which the crude oil of high pour point and high viscosity is transported by low viscous liquid jacket.
本文分析了低粘液环输送高凝、高粘原油的理论基础，并在试验管道上成功地实现了高凝原油的低粘液环输送。
In the light of the difficulty in artificial lifting of waxy oil well, high pour-point oil well and viscous oil well, a new tubing heating system is developed.
针对含蜡油井、高凝油井、稠油油井生产过程中的举升难题，研制了一种新型油管加热采油装置。
There are limitations currently in the pipe transportation for high pour point oil and high viscous oil.
现有的高凝、高粘原油的管道输送技术都存在一定的局限性。
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