Running of low flow rate in waxy crude oil pipeline in northeast China is facing a severe problem and wax gathering in pipelines is more and more serious.

• 我国东北含蜡原油管道低输量运行问题日益突出,管道结蜡问题变得愈来愈严重。含蜡原油管道输送成本主要由动力消耗和燃料消耗两项组成。蜡层厚度增大,使得动力消耗增大,燃料消耗减少。