For the reliability problems of drilling rod of rotary drilling rig that need to be resolved currently, the paper took the friction-pressurized drilling rod for example, firstly analysised the failure modes of drilling rod with the joint method of FTA-FMECA; then established the structural reliability model of drilling rod according to the dominant failure modes respectively, and solved the failure probability; finally, made recommendations of reliability improvement. In the paper, the calculation of failure probability was done with Monte-Carlo simulation method, and the accurate solution was obtained with Matlab program.


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    Title :

    Reliability Analysis on Friction-Pressurized Drilling Rod of Rotary Drilling Rig


    Contributors:


    Publication date :

    2011


    Size :

    6 Seiten




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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