In order to know roundly the run circumstances of the gas pipeline system under different conditions, predict the impact of diversified factors and the adaptability of the gas pipeline to the customer requirements, this paper makes hydraulic analyses for three kinds of gas-breakout accidents that happen possibly in the west-east pipeline, and constitutes the corresponding control methods. Through the analyses, we can understand syllabify the influencing degree and process that the short-term accidents caused by different sections impose on the pipeline’s natural run. These analytical results will have directive effects on compiling the compilation schemes to rush to repair the pipeline, deciding the scheme of gas storage construction and keeping the pipeline running safely.

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