An analysis is made in the paper of the theoretical basis on which the crude oil of high pourpoint 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。
2
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。
3
This method is particularly suitable for transporting highly viscous or high pourpoint crude oil, which will be otherwise difficult to transport.