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[1]张华兵,程五一,王富才,等.东北管道内检测缺陷的开挖定位[J].油气储运,2010,29(12):941-942.[doi:10.6047/j.issn.1000-8241.2010.12.020]
　Zhang Huabing,Cheng Wuyi,Wang Fucai.Excavation to Locate the Defects of Pipeline Based on Internal Inspections in Northeast Oil Pipeline Networks[J].Oil & Gas Storage and Transportation,2010,29(12):941-942.[doi:10.6047/j.issn.1000-8241.2010.12.020]
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东北管道内检测缺陷的开挖定位

《油气储运》[ISSN:1000-8241/CN:13-1093/TE] 卷: 29 期数: 2010年12期 页码: 941-942 栏目: 出版日期: 2010-12-25
Title:
Excavation to Locate the Defects of Pipeline Based on Internal Inspections in Northeast Oil Pipeline Networks
作者:
张华兵1; 2;  程五一1;  王富才2;  冯庆善2;  周利剑2;  王学力2;  李菲菲2;  王春明2
1. 中国地质大学(北京);
2. 中国石油管道科技研究中心
Author(s):
Zhang Huabing1; 2;  Cheng Wuyi1;  Wang Fucai2
关键词:
东北管道; 内检测; 缺陷; 修复; 开挖; 现场勘测
Keywords:
Northeast Oil Pipeline Networks; in-line inspection; defect; repair; excavation; field inspection
DOI:
10.6047/j.issn.1000-8241.2010.12.020
摘要:
三轴高清漏磁智能内检测结果显示,东北管道管体存在大量螺旋焊缝缺陷,对其进行完整性评价后,需根据缺陷的严重程度开展有计划的修复工作。首先利用PipeImage软件分析管道内检测信号,对管体缺陷进行完整性评价,制作开挖单;然后在管道沿线找到参考桩,开挖后对缺陷进行确认;最后实施修复,再防腐、回填。讨论了制作开挖单的技巧和注意事项,介绍了现场误开挖时的处理流程,给出了在现场勘测中实用性较强的两个数值,即螺旋焊缝时钟位置变化1h的轴向距离和环焊缝时钟位置变化1h的环向长度的计算公式。
Abstract:
Triax MFL(magnetic flux leakage)in-line inspection results show that numerous spiral weld defects were found in the Northeast Oil Pipeline Networks,and after the integrity assessment,planned repair work will be conducted according to the order of severity of the defects.Firstly.Pipelmage software was used to analyze the in-line inspection signals of pipeline defects,pipeline defects integrity assessment was carried out and excavation table was made;then reference stake was found along the pipeline,defects were identified after the excavation;lastly,work in repair,corrosion control and backfilling were conducted.Skills and matters to be focused on in excavation table programming were discussed.Treatment process in maloperation in digging was introduced.Two practical numerical values in the field inspection were given,namely the expression for the axial distance according to the 1 hr change of spiral weld in the clock position and the circumferential length according to the 1 hr change of girth weld in the clock position.

参考文献/References:

[1] 梅云新.对东北原油管道安全隐患的几点看法[J].油气储运,2007,26(8):1-4.
[2] 崔红升,冯庆善,税碧垣,等.原油管道螺旋焊缝开裂原因分析[J].油气储运,2008,27(12):47-48.
[3] 冯庆善,宋汉成,王学力.螺旋焊缝噘嘴错边缺陷三轴漏磁信号分析[J].无损检测,2009,5(31):340-344.

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备注/Memo

收稿日期:2010-2-24。
作者简介:张华兵,在读博士生,1981年生,2006年硕士毕业于中国地质大学(北京)安全及技术工程专业,现主要从事长输油气管道风险评价技术研究.电话:0316-2073049.E-mail:zhanghuabing@petrochina.com.cn

更新日期/Last Update: 1900-01-01