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< Natural Gas and Oil > Editorial Department
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China Petroleum Engineering & Construction Corporation
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Editor in Chief:
Du Tonglin
Vice Editor in Chief:
Tang Xiaoyong,Pu Liming
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Issue:ISSN 1006-5539
          CN 51-1183/TE

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    Your Position ：Home->Past Journals Catalog->2016 Vol.3

    Existing Issues and Necessity Analysis of Oil and Gas Pipeline Casings
    Author of the article:Jia Guangmeng
    Author's Workplace：China Petroleum Engineering Huabei Company
    Key Words：Casing; Shielding; Stress analysis; Corrosion monitoring
    Abstract：In order to improve the understanding on the necessity of oil and gas pipeline casing, through the analysis of the effect of casing on cathodic protection, construction cost and constructional difficulty, the purpose of casing and the stress of directly buried pipe etc, combining common practice of oil and gas pipelines road crossing and innovated technology for pipeline corrosion monitoring in the casing abroad, the results show that the pipe material and wall thickness calculated by the method of yield strength calculation of pipe at crossing section can be checked by the stress generated by soil pressure and vehicle load, and the application of casing can cause adverse effects on the pipeline at crossing road section. Therefore, pipeline designer shall focus on the necessity of casing and not use casing blindly.

     


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