The research on the adding modifier to the oil in LuNing pipeline to increase the economical profits began in 1994,and then the commercial test on drugged oil transportation continued in July 1995.

• 为了提高管道输油效益,从1994年起,开始对鲁宁线原油进行添加改性剂的研究,并于1995年7月在鲁宁线做了加剂输送的工业性试验。