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| 引用本文： | 袁光杰,姚振强,林元华,刘龙权. ���꾮����ƣ��ʧЧ������о�[J]. 天然气工业, 2003, 23(5): 56-58 |
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| 作者姓名： | 袁光杰 姚振强 林元华 刘龙权 |
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| 作者单位： | 1. ???????????е??????????;2. ????????????????? |
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| 基金项目： | 20 0 2年石油科技中青年创新基金，中国石油天然气集团公司科技攻关项目《高温高压气井油套管柱密封及安全可靠性研究》共同资助 |
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| 摘 要： | 套管钻井技术的出现使套管的工作环境更加恶劣，给套管的性能提出了新的要求，由交变载荷等动载引起的疲劳破坏成为套管失效的最常见形式之一。章对已有套管螺纹连接的疲劳研究进行了总结，然后在分析套管钻井作业过程中套管所受工况的基础上，指出了套管疲劳失效的常见部位及影响因素，提出了一种检测和控制套管疲劳失效的方法和措施，以期能够在套管的使用和操作方面对现场工程师有指导作用。
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| 关 键 词： | 套管钻井 套管 疲劳失效 交变载荷 石油钻井 |
| 修稿时间： | 2003-04-26 |
Research on Fatigue Failures of Casing in Casing Drilling |
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| Yuan Guangjie,Yao Zhenqiang,Liu Longquan. Research on Fatigue Failures of Casing in Casing Drilling[J]. Natural Gas Industry, 2003, 23(5): 56-58 |
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| Authors: | Yuan Guangjie Yao Zhenqiang Liu Longquan |
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| Affiliation: | 1. Mechanical and Power Eng ineering Institute of Shanghai Jiaotong University;2. Petroleum Engineering School of Southwest Petroleum Institute |
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| Abstract: | It makes the casing working conditions worse b y casing drilling technique,which presents a new demand for the casing property .Fatigue damage brought by cyclic loading is one of the most common failure form s of casing.The existing fatigue research about casing thread connections is sum marized and the effect factors of casing fatigue failures at common position are pointed out on the basis of analysing the casing working conditions during casi ng drilling.A suit of measures for detecting and controlling casing fatigue fail ures is also provided for field engineers to employ and handle. |
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| Keywords: | Casing drilling Fatique Casing Failure |
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