Reliability Analysis on Friction-Pressurized Drilling Rod of Rotary Drilling Rig
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.
Tian Huang, Dawei Zhang, Bin Lin, Anping Xu, Yanling Tian and Weiguo Gao
G.Q. Sun et al., "Reliability Analysis on Friction-Pressurized Drilling Rod of Rotary Drilling Rig", Materials Science Forum, Vols. 697-698, pp. 730-735, 2012