Development of safe operation technology of crude oil pipeline in permafrost regions
China Mohe‒Daqing Pipeline is the world first large diameter and positive temperature buried pipeline that crosses the unstable and discontinuous permafrost regions. The permafrost along the pipeline is characterized by its high temperature, large ice content, high sensitivity to external disturbanc...
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          | Published in | Journal of Pipeline Science and Engineering Vol. 4; no. 2; p. 100152 | 
|---|---|
| Main Authors | , , , , , , | 
| Format | Journal Article | 
| Language | English | 
| Published | 
            Elsevier B.V
    
        01.06.2024
     KeAi Communications Co. Ltd  | 
| Subjects | |
| Online Access | Get full text | 
| ISSN | 2667-1433 2667-1433  | 
| DOI | 10.1016/j.jpse.2023.100152 | 
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| Abstract | China Mohe‒Daqing Pipeline is the world first large diameter and positive temperature buried pipeline that crosses the unstable and discontinuous permafrost regions. The permafrost along the pipeline is characterized by its high temperature, large ice content, high sensitivity to external disturbance and extremely poor thermal stability. Thus, it is a great global engineering challenge to lay and operate a stable positive temperature pipeline under the harsh conditions of “permafrost land, frigid environment and fragile ecology” while, at the same time, protecting its fragile ecological environment. Herein, the characteristics of permafrost along the pipeline were systematically analyzed, and the current scientific and technical problems in the phases of pipeline designing, constructing and operating were put forward. This thesis made significant innovative breakthroughs in the coupling mechanism of permafrost and pipelines, the design and control of hydro-thermal stable environment for permafrost and pipeline, and the monitoring, prevention and control of permafrost and pipeline disasters, thus creating a complete set of key technical systems for pipeline construction and operation in frozen soil regions. Through analyzing the performance of this system in recent ten years, it is verified that the technical achievements served to the high-quality construction and stable operation of the pipeline. | 
    
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| AbstractList | China Mohe‒Daqing Pipeline is the world first large diameter and positive temperature buried pipeline that crosses the unstable and discontinuous permafrost regions. The permafrost along the pipeline is characterized by its high temperature, large ice content, high sensitivity to external disturbance and extremely poor thermal stability. Thus, it is a great global engineering challenge to lay and operate a stable positive temperature pipeline under the harsh conditions of “permafrost land, frigid environment and fragile ecology” while, at the same time, protecting its fragile ecological environment. Herein, the characteristics of permafrost along the pipeline were systematically analyzed, and the current scientific and technical problems in the phases of pipeline designing, constructing and operating were put forward. This thesis made significant innovative breakthroughs in the coupling mechanism of permafrost and pipelines, the design and control of hydro-thermal stable environment for permafrost and pipeline, and the monitoring, prevention and control of permafrost and pipeline disasters, thus creating a complete set of key technical systems for pipeline construction and operation in frozen soil regions. Through analyzing the performance of this system in recent ten years, it is verified that the technical achievements served to the high-quality construction and stable operation of the pipeline. | 
    
| ArticleNumber | 100152 | 
    
| Author | Li, Qiujuan Chen, Pengchao Cai, Yongjun Li, Guoyu Li, Rui Ma, Yunbin Liu, Xiaoben  | 
    
| Author_xml | – sequence: 1 givenname: Pengchao surname: Chen fullname: Chen, Pengchao organization: PipeChina Institute of Science and Technology, PR China – sequence: 2 givenname: Yunbin surname: Ma fullname: Ma, Yunbin email: horse211@163.com organization: PipeChina Institute of Science and Technology, PR China – sequence: 3 givenname: Rui surname: Li fullname: Li, Rui organization: PipeChina Institute of Science and Technology, PR China – sequence: 4 givenname: Yongjun surname: Cai fullname: Cai, Yongjun organization: PipeChina Institute of Science and Technology, PR China – sequence: 5 givenname: Qiujuan surname: Li fullname: Li, Qiujuan organization: PipeChina Institute of Science and Technology, PR China – sequence: 6 givenname: Guoyu surname: Li fullname: Li, Guoyu organization: State Key Laboratory of Frozen Soil Engineering, Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, PR China – sequence: 7 givenname: Xiaoben surname: Liu fullname: Liu, Xiaoben organization: National Engineering Research Center for Pipeline Safety/MOE Key Laboratory of Petroleum Engineering/Beijing Key Laboratory of Urban Oil and Gas Distribution Technology, China University of Petroleum (Beijing), PR China  | 
    
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| Keywords | Positive temperature pipeline Monitoring and early warning Risk assessment Pipe-soil coupling Frozen soil disaster prevention and control Permafrost Pipeline inspection  | 
    
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Equipm. – start-page: 478 issue: 5 year: 2014 ident: 10.1016/j.jpse.2023.100152_bib0003 article-title: Thaw settlement prevention and temperature monitor of Mohe-Daqing Crude Oil Pipeline in permafrost marsh zone publication-title: Oil & Gas Stor. Transport.  | 
    
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| SubjectTerms | Frozen soil disaster prevention and control Monitoring and early warning Permafrost Pipe-soil coupling Pipeline inspection Positive temperature pipeline Risk assessment  | 
    
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| Title | Development of safe operation technology of crude oil pipeline in permafrost regions | 
    
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