There are various uncertain factors in the operation of oil and gas pipelines.Based on the maximum principal shear stress theory and design specifications of pipeline,the study establishes the failure function of oil and gas pipeline with the improved first order second moment method,and proposes a method for calculating pipeline reliability and failure probability.Through taking a crude oil pipeline in western China as an example,the study analyzes the influence of average and standard deviation of pipeline variables,such as pipeline diameter,wall thickness,operating pressure and difference of operating temperature,so as to provide some reference for the reliability design and risk assessment of oil and gas pipelines.
关键词
油气管道/失效功能函数/失效概率/改进一次二阶矩法
Key words
Oil and gas pipelines/Failure function/Failure probability/Improved first order second moment method
维普
万方数据