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2013年10月底,中国石油西气东输管道公司(以下简称西气东输公司)顺利完成西气东输二线与川气东送管道互联工程动火连头作业。西气东输与国内其他主干管网的供气通道随之建立。这也是中国石油和中国石化所辖国内南、北两大管网首次实现对接。为确保作业顺利进行,西气东输公司及早动手,提前3个月编制作业方案,对可能出现的问题进行全面评估,做好充分准备。10月25日,在武穴站上下游阀室完成放空和氮气置换后,姜家湾动火点于19:00开始断管作业;20:00作业完成,比计划提前近4
By the end of October 2013, PetroChina West-East Gas Pipeline Company (West-East Gas Pipeline Company) successfully completed the first-phase operation of the interconnection project between West-East Gas Pipeline Project and East Gas Pipeline Project. The gas supply channel between the west-east gas pipeline and other domestic backbone pipelines will be established. This is also the first time docking of the two large and medium-sized pipe networks in China under the jurisdiction of China National Petroleum Corporation and China Petrochemical Corporation. In order to ensure the smooth operation of the project, the West-East Gas Transmission Company started the project operation three months in advance as soon as possible and conducted a comprehensive assessment of possible problems and made adequate preparations. October 25, Wuxue Station upstream and downstream valve room to complete the venting and nitrogen replacement, Jiang Jiawan mobile fire began at 19:00 breaking operation; 20:00 homework completed, ahead of schedule nearly 4