[1]刘少胡,徐泽庆,苑清英,等.超深井变径连续管冲蚀磨损规律研究[J].焊管,2023,46(7):45-50.[doi:10.19291/j.cnki.1001-3938.2023.07.006]
 LIU Shaohu,XU Zeqing,YUAN Qingying,et al.Research on Erosion Law of Variable Diameter Coiled Tubing in Ultra Deep Wells[J].,2023,46(7):45-50.[doi:10.19291/j.cnki.1001-3938.2023.07.006]
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超深井变径连续管冲蚀磨损规律研究()
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
46
期数:
2023年第7期
页码:
45-50
栏目:
试验与研究
出版日期:
2023-07-19

文章信息/Info

Title:
Research on Erosion Law of Variable Diameter Coiled Tubing in Ultra Deep Wells
文章编号:
10.19291/j.cnki.1001-3938.2023.07.006
作者:
刘少胡徐泽庆苑清英杨洋李若雯
1. 长江大学 机械工程学院,湖北 荆州 434023;
2. 长江大学油气钻采工程湖北省重点实验室,武汉 430100;
3. 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;
4. 西安石油大学 石油工程学院,西安 710065
Author(s):
LIU Shaohu XU Zeqing YUAN Qingying YANG Yang LI Ruowen
1. School of Mechanical Engineering, Yangtze University, Jingzhou 434023, Hubei, China; 2. Hubei Province Key Laboratory of Drilling and Production Engineering for Oil and Gas, Yangtze University, Wuhan 430100, China; 3. Chinese National Engineering Research Center for Petroleum and Natural Gas Tubular Goods Co., Ltd., Xi’an 710018, China; 4. College of Petroleum Engineering, Xi’an Shiyou University, Xi’an 710065, China
关键词:
变径连续管冲蚀磨损数值模拟水力压裂超深井
Keywords:
variable diameter CT erosion and wear numerical simulation fracking ultra deep well
分类号:
TG115.58;TE931.2
DOI:
10.19291/j.cnki.1001-3938.2023.07.006
文献标志码:
A
摘要:
针对超深井变径连续管的冲蚀问题,基于冲蚀理论和固液两相流理论,对变径连续管的井下水平段和滚筒缠绕段进行冲蚀模拟分析,研究变径连续管不同壁厚和变壁厚段的冲蚀情况,采用控制变量法研究排量、含砂比、颗粒直径以及颗粒密度对变径连续管的冲蚀影响规律。研究表明:随着壁厚的减小,变径连续管内壁的冲蚀逐渐减小,变径段的冲蚀要比不变径段的冲蚀小,而且滚筒缠绕螺旋段的冲蚀集中在连续管外侧。此外,随着排量、含砂比、颗粒密度的增加,最大冲蚀速率呈增大的趋势;随着颗粒直径的增加,最大冲蚀速率呈减小的趋势。研究结果对变径连续管的应用具有一定的指导作用。
Abstract:
Aiming at the erosion problem of variable diameter coiled tubing (CT) in service in ultra deep wells, based on the erosion theory and solid?iquid two?hase flow theory, the erosion simulation analysis of the horizontal section and drum winding section of variable diameter CT was carried out, and the erosion of variable diameter CT with different wall thickness and variable wall thickness section was studied. The Control variates was used to study the impact of displacement, sand content ratio, particle diameter and particle density on the erosion of variable diameter CT. Research shows that as the wall thickness decreases, the erosion of the inner wall of the variable diameter CT gradually decreases. The erosion of the variable diameter section is smaller than that of the non variable diameter section, and the erosion of the drum winding spiral section is concentrated on the outer side of the CT. In addition, with the increase of displacement, sand content ratio, and particle density, the maximum erosion rate shows an increasing trend. As the particle diameter increases, the maximum erosion rate shows a decreasing trend. The research results have certain guiding significance for the application of variable diameter CT.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2023-05-19
基金项目:国家自然科学基金项目“连续管缺陷处细观—宏观损伤失效机制研究”(项目编号51974036);湖北省高等学校优秀中青年科技创新团队计划项目“连续管智能控制与安全评定”(项目编号T2021035)。
作者简介:刘少胡(1984—),男,教授,博士生导师,主要从事先进油气钻采技术及装备相关研究。
更新日期/Last Update: 2023-07-19