Submarine pipeline off-design suspending is the main factor to threaten the pipeline safety. Pipeline impending mechanism and dynamic characteristics of the shallow sea are carried on for safety technology of submarine pipeline impending segment in Chengdao oilfield. The allowable length of the impending pipeline is proposed, and the control countermeasures of impending segment prevention are studied. The new technologies are developed to process pipeline impending segments in domestic, which includes DZM180 high-power hydraulic hammer, underwater hammer centralizer device and submarine pipeline fixed device with adjusting rotate and up and down. The main achievements can provide the reference to the similar projects.


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    Title :

    Study on the Safety Technology of the Submarine Pipeline Impending Segment in Chengdao Oilfield


    Contributors:
    Zhang, Yantao (author) / Yan, Xiangzhen (author) / Yu, Benfu (author)

    Conference:

    International Conference on Pipelines and Trenchless Technology 2011 ; 2011 ; Beijing, China


    Published in:

    ICPTT 2011 ; 229-236


    Publication date :

    2011-10-07




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English





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