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通过对塔河采油三厂5条天然气长输管线清管作业必要性的分析与研究,制定清管作业的总体思路,及相应清管作业的程序和施工方案,总结出作业过程中遇到安全风险及难点,对比出5条天然气长输管线清管前后的运行效果及清管作业的重要性,同时对比分析“在线清管作业”与“非在线清管作业”两种作业方法的优缺点及经济效益评估,从而为今后的清管作业提供了宝贵的依据及经验,保证了塔河采油三厂天然气长输管线安全、平稳、高效的运行。
Through the analysis and research on the necessity of pigging operation of 5 long-distance natural gas transmission lines in No.3 Group of Tahe Oil Production Plant, the overall train of thought of pigging operation and the corresponding program and construction scheme of pigging operation are formulated, and the safety Risk and difficulty of operation of five natural gas long-distance pipeline before and after the operation of pigs and the importance of pigging operations compared with the “online pigging operations” and “non-online pigging operations” two operations The advantages and disadvantages of the method and the evaluation of economic benefits, so as to provide valuable basis and experience for the future pigging operations and ensure the safe, smooth and efficient operation of the long-distance natural gas transmission pipeline of the Third Plant of Tahe Oilfield.