The intermittent transportation process can be adopted for the low-throughput rate pipeline which the pour depressant is added and the forward and back pumping is also needed.

• 对于添加降凝剂后还需进行正反输运行的低输量管道,可以采用间歇输油工艺,通过对中洛线间歇输送的试验分析,总结了间歇运行的优点和应该注意的问题。