[1]李鸿斌,等. Φ31.8 mm连续油管断裂失效分析[J].焊管,2016,39(5):31-36.[doi:10.19291/j.cnki.1001-3938.2016.05.006]
 LI Hongbin,BI Zongyue,YU Han,et al.Fracture Failure Analysis of Φ31.8 mm Coiled Tubing[J].,2016,39(5):31-36.[doi:10.19291/j.cnki.1001-3938.2016.05.006]
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 Φ31.8 mm连续油管断裂失效分析
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
39
期数:
2016年第5期
页码:
31-36
栏目:
应用与开发
出版日期:
2016-05-28

文章信息/Info

Title:
Fracture Failure Analysis of Φ31.8 mm Coiled Tubing
文章编号:
10.19291/j.cnki.1001-3938.2016.05.006
作者:
李鸿斌1 2毕宗岳1 2余 晗1 2张晓峰1 2汪海涛1 2鲜林云1 2
1. 国家石油天然气管材工程技术研究中心, 陕西 宝鸡 721008;
 2. 宝鸡石油钢管有限责任公司 钢管研究院, 陕西 宝鸡 721008
Author(s):
LI Hongbin12BI  Zongyue12YU Han12ZHANG Xiaofeng12WANG Haitao12XIAN Linyun12
1. National Petroleum and Gas Tubular Goods Engineering Technology Research Center,Baoji 721008,Shaanxi,China;
2. Steel Pipe Research Institute, Baoji Petroleum Steel Pipe Co., Ltd., Baoji 721008, Shaanxi, China
关键词:
连续油管断裂失效应力腐蚀裂纹
Keywords:
coiled tubing fracture failure stress corrosion crack
分类号:
TE933.8
DOI:
10.19291/j.cnki.1001-3938.2016.05.006
文献标志码:
B
摘要:
为了预防和减少连续油管在油田作业环境下发生的失效事故,提高连续油管的使用寿命,通过理化性能检验、微观组织分析和能谱分析等方法,对某油田Φ31.8 mm×3.18 mm 80钢级断裂失效连续油管进行了分析,结果表明,该连续油管在受到自重产生的拉应力、周期性的塑性应变和井内酸性腐蚀环境的共同作用下,发生应力腐蚀开裂,导致连续油管断裂失效。最后给出了提高连续油管使用寿命的建议。
Abstract:
In order to prevent and reduce the failure accidents of coiled tubing in oil field operation environment, increase the service life of coiled tubing, the fractured coiled tubing of 80 steel grade Φ31.8 mm×3.18 mm in a certain oilfield was analyzed through physical and chemical properties testing, microstructure analysis and EDS analysis. The results showed that the stress corrosion fracture occurred in this coiled tubing under the combined action, including tensile stress by its own weight, cyclic plastic strain and the well acidic corrosive environments, which caused the fracture failure for coiled tubing. Finally, some advices were put forward to increase service life of coiled tubing.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2015-12-16
作者简介:李鸿斌(1984—),硕士研究所,工程师,主要从事连续管新产品开发及管材失效分析等研究工作。
更新日期/Last Update: