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。
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.
多年来，欧洲其他国家都希望打破俄罗斯在东西贯通的天然气输送管道上的垄断地位，从高加索地区获取石油资源，这想法看似白日做梦。
FOR years, the idea that Europe might get gas from the Caucasus and beyond, breaking Russia's monopoly on east-west pipelines, seemed fanciful.
应力腐蚀开裂(SCC)已经被认为是天然气或石油输送管道的操作的一个重要威胁安全。
Stress Corrosion Cracking (SCC) has been considered as a vital threat to the safe in operation of gas or oil transmission pipelines.
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