| 萨曼杰佩气田在用材质失效分析 |
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| 引用本文： | 霍绍全,陈文,蔡绍中,卢邹,李明国,余洋,李峰,吴华.萨曼杰佩气田在用材质失效分析[J].石油与天然气化工,2011(Z1):54-56,9. |
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| 作者姓名： | 霍绍全 陈文 蔡绍中 卢邹 李明国 余洋 李峰 吴华 |
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| 作者单位： | 中国石油西南油气田公司天然气研究院;中国石油西南油气田公司阿姆河项目部; |
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| 摘 要： | 对萨曼杰佩气田失效法兰进行了失效分析,宏观及微观分析表明,法兰焊接热影响区处理质量不高是导致该法兰发生疲劳失效的直接原因;另外,表面冲蚀损伤加剧了电化学腐蚀,对法兰产生腐蚀疲劳断裂也有一定影响。
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| 关 键 词： | 气田用材 法兰失效分析 腐蚀疲劳 腐蚀防护 气田开发 |
Failure Analysis of Material Used in Samandepe Gas Field |
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| Huo Shaoquan,Chen Wen,Cai Shaozhong,et al.Failure Analysis of Material Used in Samandepe Gas Field[J].Chemical Engineering of Oil and Gas,2011(Z1):54-56,9. |
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| Authors: | Huo Shaoquan Chen Wen Cai Shaozhong |
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| Affiliation: | Huo Shaoquan,Chen Wen,Cai Shaozhong,et al(Research Institute of Natural Gas Technology,PetroChina Southwest Oil & Gasfield Company) |
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| Abstract: | The failure analysis of the broken down flange used in Samandepe gas field shows that the direct reason for the flange corrosion fatigue was unqualified treating in heat affected zone.In addition,abrasive erosion on the surface of flange worsens electrochemical corrosion,which also causes a certain impact on the fatigue fracture of flange. |
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| Keywords: | material used in gas field flange failure analysis corrosion fatigue corrosion and protection gas field development |
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