[1]王 珂,等.在役输气管道分层缺陷无损检测及安全评价[J].焊管,2016,39(7):65-68.[doi:10.19291/j.cnki.1001-3938.2016.07.015]
 WANG Ke,LUO Jinheng,et al.Non-destructive Inspection and Safety Evaluation for Lamination Defect of Gas Transportation Pipeline on Service[J].,2016,39(7):65-68.[doi:10.19291/j.cnki.1001-3938.2016.07.015]
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在役输气管道分层缺陷无损检测及安全评价
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
39
期数:
2016年第7期
页码:
65-68
栏目:
经验交流
出版日期:
2016-07-28

文章信息/Info

Title:
Non-destructive Inspection and Safety Evaluation for 
Lamination Defect of Gas Transportation Pipeline on Service
文章编号:
10.19291/j.cnki.1001-3938.2016.07.015
作者:
王 珂1 2罗金恒1 2杨锋平1 2马卫锋1 2张 瑶1
1. 中国石油集团石油管工程技术研究院, 西安 710077;
2. 石油管材及装备材料服役行为与结构安全国家重点实验室, 西安 710077
Author(s):
WANG Ke1 2 LUO Jinheng1 2 YANG Fengping1 2 MA Weifeng1 2 ZHANG Yao1
1. CNPC Tubular Goods Research Institute, Xi’an 710065, China;
2. State Key Laboratory of Performance and Structural Safety for Petroleum Tubular Goods and Equipment Materials, Xi’an 710065, China
关键词:
焊管天然气管道分层缺陷无损检测安全评价
Keywords:
welded pipe natural gas pipeline lamination defect nondestructive testing safety evaluation
分类号:
TE973.6
DOI:
10.19291/j.cnki.1001-3938.2016.07.015
文献标志码:
B
摘要:
针对在役输气管道内检测过程中发现的管体异常金属损失现象,采用超声斜探头探伤、C扫描等方法对管道异常处进行了检测与分析,给出了管道缺陷适用性评价方法,并对检测到的缺陷进行了安全评价。结果表明,该处缺陷为内部分层缺陷,不能满足API 579—2007对管道分层缺陷1级评价的要求,建议更换管道或采用复合材料对管体进行补强修复,并加强管道原材料、制管过程和服役过程中的检测和评价,确保管道的安全运行。
Abstract:
For the abnormal wall thickness metal loss of gas transportation pipelines on service, which found in pipeline inspection, it adopted ultrasonic angle probe and C-Scan technologies to detect and verify, gave the applicable evaluation method for pipeline defects, and carried out evaluation for the detected defects. The result indicated that the defect is internal lamination defect, which cannot meet level 1 assessment requirements for pipeline lamination defect in API 579—2007. It suggested changing pipeline or adopting composite materials to conduct reinforcement and repair, and should strengthen detection and evaluation for pipeline raw material, manufacturing process and service process, to ensure pipeline safe operation.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2016-04-12
作者简介:王   珂(1985—),男,硕士,现在中国石油集团石油管工程技术研究院从事油气管道和储运设施的安全评价工作。
更新日期/Last Update: