| 高温高压井用特殊螺纹接头的设计与评价现状 |
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| 引用本文： | 王怡,张建兵,聂艳,丁莉. 高温高压井用特殊螺纹接头的设计与评价现状[J]. 钢管, 2020, 0(1): 72-76 |
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| 作者姓名： | 王怡 张建兵 聂艳 丁莉 |
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| 作者单位： | 1.西北大学;2.西安石油大学 |
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| 基金项目： | 国家自然科学基金项目“膨胀管金属密封结构扩径变形过程的工作机理研究”(51974251),“低膨胀高强度轻质ZrW2O8-Cf镁基复合材料制备及其性能调控机理研究”(51905426);中国石油科技创新基金项目“用于水平井套变治理的新型膨胀套管接头金属密封研究”(2019D-5007-0305) |
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| 摘 要： | 结合国内外在开发、应用特殊螺纹接头过程中取得的经验成果,探讨和总结高温高压井用特殊螺纹接头的结构设计、选用要点及评价方法,详细介绍螺纹、扭矩台肩及密封结构设计。总结在极端负载条件下评价特殊螺纹接头密封性能的理论方法,为进一步有针对性地优化设计、选用特殊螺纹油井管产品提供参考,从而有效解决油井管失效问题。
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| 关 键 词： | 油井管 高温高压井 特殊螺纹接头 结构设计 密封性 评价方法 |
Present Situations Concerning Design and Evaluation of Premium Connection as Applied to HPHT well |
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| WANG Yi,ZHANG Jianbing,NIE Yan,DING Li. Present Situations Concerning Design and Evaluation of Premium Connection as Applied to HPHT well[J]. Steel Pipe, 2020, 0(1): 72-76 |
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| Authors: | WANG Yi ZHANG Jianbing NIE Yan DING Li |
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| Affiliation: | (Northwest University,Xi'an 710069,China;Xi'an Shiyou University,Xi'an 710065,China) |
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| Abstract: | Based on the experiences and achievements as resulting from the development and application of the premium connection both at home and abroad, the structural design, selection tips and evaluation methods of the premium connection as used for the HPHT well are discussed and summarized, involving details associated with the designs of the thread,the torque shoulder and the sealing structure,etc. Also summarized are the theoretic methods as used to evaluate the sealing performance of the said premium connection serving under extreme load conditions, which provides reference for further targeted optimization design and selection of the OCTG with premium connection,so as to properly solve the OCTG failure problems. |
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| Keywords: | OCTG HPHT well premium connection structural design sealing performance evaluation method |
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