带压封堵技术在成品油管道的应用

某成品油管线因与哈尔滨至大连的电气化铁路建设冲突,需要迁移部分管道,为避免管道停输造成生产损失,采取了双侧双封不停输带压开孔封堵技术,从而使管道施工与生产运行两不误.文章介绍了带压开孔封堵设备的结构特点、工作原理、施工步骤,并且重点介绍了施工中需要注意的事项,为今后的管道施工提供了借鉴.

Application of Technique of In-line Plugging in Product Oil Pipeline

Because of Haebin-Dalian electrical railway construction,part of one product oil transportation pipeline was needed to move.In order to avoid the loss in production from the shutoff of pipeline,the technique of in-line plugging was applied,so that both the construction and the production were carried out successfully.In this article,the structure features of the equipment used in this technique and the working principles and the procedures of this technique were introduced,and especially,the notes in constr...