[1]乔凌云,毛浓召,周 云,等.某S135钻杆管体断裂失效分析[J].焊管,2022,45(4):40-44,49.[doi:10.19291/j.cnki.1001-3938.2022.04.008]
 QIAO Lingyun,MAO Nongzhao,ZHOU Yun,et al.Fracture Failure Analysis of S135 Drill Pipe[J].,2022,45(4):40-44,49.[doi:10.19291/j.cnki.1001-3938.2022.04.008]
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某S135钻杆管体断裂失效分析()
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
45
期数:
2022年第4期
页码:
40-44,49
栏目:
失效分析
出版日期:
2022-04-28

文章信息/Info

Title:
Fracture Failure Analysis of S135 Drill Pipe
文章编号:
10.19291/j.cnki.1001-3938.2022.04.008
作者:
乔凌云毛浓召周 云李鸿斌芦 琳张 超黄小江晁利宁
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,陕西 宝鸡 721008; 3. 陕西省高性能连续管重点实验室,陕西 宝鸡 721008
Author(s):
QIAO Lingyun MAO Nongzhao ZHOU Yun LI Hongbin LU Lin ZHANG Chao HUANG Xiaojiang CHAO Lining
1. Chinese National Engineering Research Center for Petroleum and Natural Gas Tubular Goods, Baoji 721008, Shaanxi, China; 2. Baoji Petroleum Steel Pipe Co., Ltd., Baoji 721008, Shaanxi, China; 3. Shaanxi Province Key Laboratory of High Performance Coiled Tubing, Baoji 721008, Shaanxi, China
关键词:
钻杆腐蚀疲劳断裂
Keywords:
drill pipe corrosion fatigue fracture
分类号:
TG115.3
DOI:
10.19291/j.cnki.1001-3938.2022.04.008
文献标志码:
B
摘要:
针对某S135钻杆断裂事件,对失效样品进行了宏观检验、理化性能测试及断口分析。结果显示,失效样品内外表面均被腐蚀,腐蚀坑内有较多裂纹,理化性能符合标准要求。分析表明,钻杆断裂是交变应力和腐蚀介质共同作用的结果,腐蚀坑的提前形成大大缩短了钻杆的使用寿命。建议钻杆下井使用后要彻底清洗,加强存储期间的防护,并在使用前进行无损检测,防止失效事故发生。
Abstract:
Aiming at the fracture event of S135 drill pipe, the macro inspection, physical and chemical properties inspection and fracture analysis of the failed sample are carried out. The results show that the physical and chemical properties meet the standard requirements. The internal and external surfaces of the failed sample have been corroded, and many cracks are found in the corrosion pit. The analysis shows that the fracture of the drill pipe is the result of the joint action of alternating stress and corrosion medium. The formation of the corrosion pit in advance greatly shortens the service life of the drill pipe. It is suggested that the drill pipe should be thoroughly cleaned after being used in the well, protected during storage and carried out NDT before use, so as to prevent failure accidents.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2021-11-22作者简介:乔凌云(1970—),女,高级工程师,长期从事石油管材研究、金属材料微观组织和失效分析等工作。
更新日期/Last Update: 2022-04-27