At present, underground pipelines engineering constructed by China and Russia, Kazakhstan have been completed. The petroleum and natural gas pipelines all go through permafrost regions in northeastern China. The pipeline from desert-river to Daqing is in the permafrost regions. The soil frost heaving and thaw have already affected the safety of the pipeline engineering. This paper is depending on Chinese Petroleum Corporation Funded Project“Oil pipelines optimization and operation safety technology”. Based ...
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