Development and Application of Residual Strength Evaluation Software for Oil & Gas Pipeline with Volumetric Defect
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摘要: 介绍一种依据SY/T 6477—2014标准开发的含体积型缺陷油气输送管道剩余强度评价软件，并以某均匀腐蚀管线钢管为例，运用该软件对其含缺陷剩余强度进行评价。该软件的核心计算模块由均匀腐蚀缺陷评价模块和局部腐蚀缺陷评价模块组成；可逻辑判断缺陷类型及量化方法，计算均厚长度、管道最大允许工作压力、许用剩余强度因子以及管道降压后最大允许工作压力。该软件具有计算结果准确、易操作、响应速度快的优点。Abstract: A residual strength evaluation software developed according to the standard SY/T 6477-2014 for oil and gas pipelines with volume defect is introduced and the residual strength of a uniformly corroded pipeline with the defect taken as an example is evaluated by the software.The core calculation module of the software is composed of a uniform corrosion defect evaluation module and a local corrosion defect evaluation module.The following work can be done with the software:logical judgment of the defect types and how to take its quantification, calculation of the length of the uniform thickness, calculation of the maximum allowable working pressure;calculation of the allowable residual strength factors and calculation of the maximum allowable working pressure after the pipeline decompression.The software is of such advantages as accurate result, easy operation and fast response.
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Keywords:
- line pipe /
- defect /
- uniform corrosion /
- local metal loss /
- residual strength
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