|本期目录/Table of Contents|

[1]顾晓婷,王秋妍,孙萍萍,等.油气管道剩余强度评价方法适用性研究[J].中国安全生产科学技术,2016,12(12):105-109.[doi:10.11731/j.issn.1673-193x.2016.12.018]
 GU Xiaoting,WANG Qiuyan,SUN Pingping,et al.Research on applicability of evaluation method for residual strength of oil and gas pipeline[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2016,12(12):105-109.[doi:10.11731/j.issn.1673-193x.2016.12.018]
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油气管道剩余强度评价方法适用性研究
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《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]

卷:
12
期数:
2016年12期
页码:
105-109
栏目:
现代职业安全卫生管理与技术
出版日期:
2016-12-30

文章信息/Info

Title:
Research on applicability of evaluation method for residual strength of oil and gas pipeline
文章编号:
1673-193X(2016)-12-0105-05
作者:
顾晓婷1王秋妍1孙萍萍2王立航1
(1.长江大学 石油工程学院,湖北 武汉 430100;2.中国石油化工股份有限公司 胜利油田分公司滨南采油厂,山东 滨州 256600)
Author(s):
GU Xiaoting1 WANG Qiuyan1 SUN Pingping2 WANG Lihang1
(1. School of Petroleum Engineering, Yangtze University, Wuhan Hubei 430100, China; 2. Binnan Oil Production Plant of Shengli Oilfield Branch Company, SINOPEC, Binzhou Shandong 256600, China)
关键词:
油气管道剩余强度评价方法流变应力
Keywords:
oil and gas pipeline residual strength evaluation method flow stress
分类号:
TE88
DOI:
10.11731/j.issn.1673-193x.2016.12.018
文献标志码:
A
摘要:
为了研究油气管道剩余强度评价方法的适用性,介绍了完整管道失效压力的计算方法以及NG-18,B31G,DNV RP-F101和PCORCC等4种计算含缺陷管道剩余强度的方法。对4种方法中的流变应力和膨胀系数进行了分析,同时采用4种计算方法计算了30组不同钢级管道的剩余强度。结果表明:流变应力的选取对中低强度钢管的影响较大,对中高强度钢管的影响较小,当管道钢级为X80及以上时,流变应力对剩余强度计算结果的影响可以忽略不计;各评价方法中,改进的B31G中的膨胀系数表达形式更加接近实际情况; NG-18和B31G适用于评价中低强度的钢管,其中,改进的B31G结果更为准确;DNV RP-F101和PCORCC适用于评价中高强度的钢管,其中,DNV RP-F101的计算结果优于PCORCC的计算结果;对于高钢级管道的评价方法还需要进一步研究和改进。
Abstract:
In order to study the applicability of evaluation method for residual strength of oil and gas pipeline, the calculation method on failure pressure of complete pipeline and four calculation methods on residual strength of pipeline containing defects, including NG-18, B31G, DNV RP-F101 and PCORCC, were introduced. The flow stress and expansion coefficient of the four methods were analyzed, and the residual strength of 30 groups of pipeline with different steel grades were calculated by using the four calculation methods. The results showed that the selection of flow stress has larger influence on the medium-low strength steel pipes, while the influence on the medium-high strength steel pipes is smaller. When the steel grade of pipeline is X80 or above, the influence of flow stress on the residual strength can be neglected. Among the evaluation methods, the expression form of expansion coefficient by the improved B31G is more close to the actual situation. NG-18 and B31G are applicable to the evaluation of medium-low strength steel pipes, and the evaluation results of modified B31G are more accurate. DNV RP-F101 and PCORCC are applicable to the evaluation of medium-high strength steel pipes, and the calculation results of DNV RP-F101 is better than that of PCORCC. The evaluation method for pipeline with high steel grade still need further research and improvement.

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备注/Memo

备注/Memo:
湖北省教育厅科学技术研究项目(Q20151309)
更新日期/Last Update: 2017-01-13