油套管特殊螺纹接头锥面/锥面与球面/锥面结构密封性能对比分析

王成; 单涵; 戴涵洋; 高连新

doi:10.13433/j.cnki.1003-8728.20230216

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油套管特殊螺纹接头锥面/锥面与球面/锥面结构密封性能对比分析

更新时间：2026-04-23

- 油套管特殊螺纹接头锥面/锥面与球面/锥面结构密封性能对比分析
- Comparative Analysis of Sealing Performance Between Tapered/tapered and Spherical/tapered Structures of Special Threaded Joint of Oil Casing
- 机械科学与技术 2025年44卷第3期页码：438-444
- 作者机构：
  
  1. 华东理工大学机械与动力工程学院,上海,200237
  2. 江苏常宝普莱森钢管有限公司,江苏,常州,213200
- 作者简介：
  
  [ "王成，硕士研究生，" ]
  [ "高连新，副研究员，博士，" ]
- 基金信息：
  
  中国石油科技创新基金项目（2019D-5007-0305）
- DOI：10.13433/j.cnki.1003-8728.20230216
  中图分类号：
- 纸质出版：2025
- 稿件说明：
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王成, 单涵, 戴涵洋, 等. 油套管特殊螺纹接头锥面/锥面与球面/锥面结构密封性能对比分析[J]. 机械科学与技术, 2025,44(3):438-444.

王成, 单涵, 戴涵洋, et al. Comparative Analysis of Sealing Performance Between Tapered/tapered and Spherical/tapered Structures of Special Threaded Joint of Oil Casing[J]. Mechanical Science and Technology for Aerospace Engineering, 2025, 44(3): 438-444.
王成, 单涵, 戴涵洋, 等. 油套管特殊螺纹接头锥面/锥面与球面/锥面结构密封性能对比分析[J]. 机械科学与技术, 2025,44(3):438-444. DOI： 10.13433/j.cnki.1003-8728.20230216.

王成, 单涵, 戴涵洋, et al. Comparative Analysis of Sealing Performance Between Tapered/tapered and Spherical/tapered Structures of Special Threaded Joint of Oil Casing[J]. Mechanical Science and Technology for Aerospace Engineering, 2025, 44(3): 438-444. DOI： 10.13433/j.cnki.1003-8728.20230216.

摘要

针对油套管特殊螺纹接头锥面/锥面、球面/锥面这两种最常见的密封结构，建立了有限元模型，并根据评价标准对接头施加了所有可能的载荷工况，用密封强度指标定量地评价了这两种结构的密封性能，并对比了两种结构在上扣工况下的抗粘扣性能，最后进行了试验验证。结果表明：在台肩、螺纹形状、钢级、规格等条件相同时，球面/锥面结构的密封性能、抗粘扣性能均优于锥面/锥面结构。尽管锥面/锥面和球面/锥面两种密封结构都可以满足密封判据和试验标准的要求，但球面/锥面结构更有优势。

Abstract

Finite element models are established for two most common premium threaded connection seal structures

namely

taper/taper seal and sphere/taper seal. According to the evaluation standard

all possible operating conditions were applied to the connections. The seal performance of the two structures was evaluated quantitatively with the seal intensity index. Anti-gluing performance of the two structures under the makeup condition was compared too. Finally

the experimental verification was carried out. The results show that the seal performance and anti-gluing performance of the spherical/taper structure are better than those of the taper/taper structure when the shoulder

thread shape

steel grade are same. Although taper/taper and spherical/taper seal structures can meet the requirements of seal criteria and test standards

spherical/taper structures have more advantages.

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