[1]乔凌云,李鸿斌,符利兵,等.CT110 变壁厚连续管断裂原因及使用寿命分析[J].焊管,2023,46(11):44-49.[doi:10.19291/j.cnki.1001-3938.2023.11.008]
 QIAO Lingyun,LI Hongbin,FU Libing,et al.Analysis of Fracture Causes and Service Life of CT110 Variable Wall Thickness Coiled Tubing[J].,2023,46(11):44-49.[doi:10.19291/j.cnki.1001-3938.2023.11.008]
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CT110 变壁厚连续管断裂原因及使用寿命分析()
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
46
期数:
2023年第11期
页码:
44-49
栏目:
失效分析
出版日期:
2023-11-19

文章信息/Info

Title:
Analysis of Fracture Causes and Service Life of CT110 Variable Wall Thickness Coiled Tubing
文章编号:
10.19291/j.cnki.1001-3938.2023.11.008
作者:
乔凌云李鸿斌符利兵朱 炜
(1. 中油国家石油天然气管材工程技术研究中心有限公司,西安 710018; 2. 中国石油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 LI Hongbin FU Libing ZHU Wei
(1. Chinese National Engineering Research Center for Petroleum and Natural Gas Tubular Goods Co., Ltd., Xi’an 710018, China; 2. CNPC 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:
CT110连续管腐蚀疲劳断裂软件模拟疲劳寿命
Keywords:
CT110 coiled tubing corrosion fatigue fracture software simulation fatigue life CT110 coiled tubing corrosion fatigue fracture software simulation fatigue life CT110 coiled tubing corrosion fatigue fracture software simulation fatigue life
分类号:
TG113.255
DOI:
10.19291/j.cnki.1001-3938.2023.11.008
文献标志码:
A
摘要:
针对CT110钢级Φ50.8 mm变壁厚连续管起管过程中在鹅颈位置连续断裂问题,通过对断裂位置取样分析,结合现场作业信息及车载连续管模拟分析与工程设计软件,综合分析了连续管断裂失效的主要原因。结果表明,连续管失效是腐蚀叠加累计弯曲疲劳导致的腐蚀疲劳断裂,也验证了连续管模拟软件的可靠性。建议重视车载连续管模拟分析与工程设计软件的应用,做好连续管疲劳情况的跟踪统计,及时进行风险评估;重视连续管的维护保养,以延长使用寿命。
Abstract:
In order to solve the problem of continuous fracture of Φ50.8 mm CT110 variable wall thickness coiled tubing at gooseneck in the process of starting up, by sampling and analyzing the fracture position, combining with the field operation information and vehicle?ounted coiled tubing simulation analysis and engineering design software, the main reasons of fracture failure of coiled tubing are analyzed. The results show that the failure of coiled tubing is the corrosion fatigue fracture caused by the cumulative bending fatigue, which verifies the reliability of the coiled tubing simulation software. It is suggested that attention should be paid to the application of simulation analysis and engineering design software, to the tracking statistics of coiled tubing fatigue, to the risk assessment in time, and to the maintenance of coiled tubing, to extend service life.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2023-02-22基金项目: 中国石油天然气集团有限公司科学研究与技术开发项目“公司发展战略与科技基础工作决策支持研究”(项目编号2022DQ0107—22)。作者简介:乔凌云(1970—),女,高级工程师,现主要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: 2023-11-27