[1]乔凌云,王 亮,芦 琳,等.连续油管水力振荡器断裂失效分析[J].焊管,2022,45(7):32-36,41.[doi:10.19291/j.cnki.1001-3938.2022.07.006]
 QIAO Lingyun,WANG Liang,LU Lin,et al.Fracture Failure Analysis of Coiled Tubing Hydraulic Oscillator[J].,2022,45(7):32-36,41.[doi:10.19291/j.cnki.1001-3938.2022.07.006]
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连续油管水力振荡器断裂失效分析()
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
45
期数:
2022年第7期
页码:
32-36,41
栏目:
失效分析
出版日期:
2022-07-28

文章信息/Info

Title:
Fracture Failure Analysis of Coiled Tubing Hydraulic Oscillator
文章编号:
10.19291/j.cnki.1001-3938.2022.07.006
作者:
乔凌云王 亮芦 琳李鸿斌张 超周 云马姣姣
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 LingyunWANG LiangLU LinLI HongbinZHANG ChaoZHOU YunMA Jiaojiao
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:
连续油管水力振荡器定子冲蚀疲劳断裂
Keywords:
coiled tubinghydraulic oscillatorstatorerosionfatigue fracture
分类号:
TG115
DOI:
10.19291/j.cnki.1001-3938.2022.07.006
文献标志码:
B
摘要:
为了探究连续油管水力振荡器断裂失效原因,通过无损检测、理化性能检验及断口分析等方法,对失效样管进行了研究与分析。结果显示,失效样管的理化性能满足设计要求,样品表面存在缺陷。研究表明,失效的主要原因是连续油管水力振荡器定子在交变应力和含砂流体冲蚀的共同作用下产生疲劳和冲蚀缺陷,最终导致断裂失效。建议重视水力振荡器零部件在交变应力作用下的疲劳断裂失效行为,适当选材,并通过热处理方式提高材料的抗疲劳强度;提高工件表面光洁度,以减少应力集中;工具使用完后应加强无损检测,避免工具突然断裂造成的损失。
Abstract:
In order to explore the fracture failure causes of coiled tubing hydraulic oscillator,the failure sample tube was studied and analyzed by means of nondestructive testing,physical and chemical property inspection and fracture analysis.The results show that the physical and chemical properties of the failed sample tube meet the design requirements,and the surface of the stator is defective.The research shows that the main reason for the failure is that the stator of coiled tubing hydraulic oscillator produces fatigue and erosion defects under the combined action of alternating stress and sand-bearing fluid erosion,which eventually leads to fracture failure.It is suggested that attention should be paid to the fatigue fracture failure behavior of hydraulic oscillator parts under alternating stress,select appropriate materials,and improve the fatigue strength of materials by heat treatment and the surface finish of the workpiece to reduce stress concentration.After the tools are used,the nondestructive testing shall be strengthened to avoid the loss caused by the sudden fracture of the tools.

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备注/Memo

备注/Memo:
收稿日期: 2022-02-25基金项目:中国石油天然气股份有限公司科学研究与技术开发项目“煤炭地下气化关键技术研究与先导试验”(项目编号GF 2019E-25)。作者简介:乔凌云(1970—),女,高级工程师,长期从事金属材料微观组织研究和石油管材失效分析工作。
更新日期/Last Update: 2022-07-29