|本期目录/Table of Contents|

[1]吴晗,刘少胡,刘旭辉,等.焊肉位置对连续管冲蚀磨损规律研究[J].中国安全生产科学技术,2017,13(2):138-142.[doi:10.11731/j.issn.1673-193x.2017.02.024]
 WU Han,LIU Shaohu,LIU Xuhui,et al.Study on erosion wear laws of coiled tubing affected by weldment position[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2017,13(2):138-142.[doi:10.11731/j.issn.1673-193x.2017.02.024]
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焊肉位置对连续管冲蚀磨损规律研究
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《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]

卷:
13
期数:
2017年2期
页码:
138-142
栏目:
现代职业安全卫生管理与技术
出版日期:
2017-02-28

文章信息/Info

Title:
Study on erosion wear laws of coiled tubing affected by weldment position
文章编号:
1673-193X(2017)-02-0138-05
作者:
吴晗刘少胡刘旭辉周传喜金高魏世忠
长江大学 机械工程学院,湖北 荆州 434023
Author(s):
WU Han LIU Shaohu LIU Xuhui ZHOU ChuanxiJIN Gao WEI Shizhong
School of Mechanical Engineering, Yangtze University, Jingzhou Hubei 434023, China
关键词:
焊肉位置连续管冲蚀磨损压裂
Keywords:
weldment position coiled tubing erosion wear fracturing
分类号:
TE357.1
DOI:
10.11731/j.issn.1673-193x.2017.02.024
文献标志码:
A
摘要:
针对连续管在压裂作业时连续管内壁易受冲蚀磨损甚至导致失效的问题,基于液固两相流和冲蚀理论,利用FLUENT软件对比研究了带焊肉的直连续管、360°弯曲连续管、正弦弯曲连续管等连续管的内壁冲蚀磨损以及焊肉位置对360°弯曲连续管的冲蚀磨损规律。研究表明:360°弯曲连续管的最大冲蚀速率较直连续管增加了近22倍,正弦弯曲连续管的最大冲蚀速率较直连续管增加了近264倍;在360°弯曲连续管中,焊肉分布在外侧时连续管所受的最大冲蚀速率较无焊肉增加了约57%,焊肉在连续管内的扭转角度由90°增加到360°时,连续管最大冲蚀速率增加了约277%,建议控制焊肉位置以及焊肉扭转程度以减小冲蚀磨损。
Abstract:
Aiming at the problem that the inner wall of coiled tubing (CT) is easy to be eroded and even lead to failure during fracturing operation, based on the theories of liquid-solid two-phase flow and erosion, the erosion wear of inner wall in straight CT, 360° bending CT and sinusoidal bending CT with weldment were compared, and the erosion wear laws of 360° bending CT affected by weldment position were studied by FLUENT software. The results showed that the maximum erosion rate of 360° bending CT was about 22 times greater than that of straight CT, and the maximum erosion rate of sinusoidal bending CT was about 264 times greater than that of straight CT. In the 360° bending CT, the maximum erosion rate with weldment in outer wall was about 57% greater than that of CT without weldment. The maximum erosion rate of CT increased by about 277% when the torsion angle of weldment in the CT increased from 90° to 360°. It was recommended to control the position of weldment and the degree of torsion to reduce erosion wear.

参考文献/References:

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备注/Memo

备注/Memo:
国家自然科学基金项目(51604039);湖北省自然科学基金项目(2015CFC855);湖北省教育厅科学技术研究计划青年人才项目(Q20161310);长江青年科技创新团队基金项目(2016cqt02)
更新日期/Last Update: 2017-03-29