This article introduces the defects evaluation method for oil and gas pipeline, and analyzes the R6 method defects evaluation process, meanwhile the typical defects are evaluated.
本文重点介绍了石油天然气输送管道缺陷评定方法，简要分析了应用R6方法的缺陷评定过程并对典型缺陷进行了评定。
R6 failure assessment diagram method belongs to the approximate graphical method, its assessment result is much conservative.
R6的失效评定图法属近似的图解评定方法，评定结果最为保守；
R6 failure assessment diagram method belongs to the approximate graphical method, its assessment result is much conservative.
R6的失效评定图法属近似的图解评定方法，评定结果最为保守；
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