| 套管的失效分析 |
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| 引用本文： | 刘清友,陈浩.套管的失效分析[J].西南石油学院学报,1999,21(4):75-77,94. |
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| 作者姓名： | 刘清友 陈浩 |
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| 作者单位： | 西南石油学院机械系!四川南充637001 |
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| 基金项目： | “油气藏地质及开发工程”国家重点实验室资助项目，石油科技中青年创新基金 |
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| 摘 要： | 通过收集石油管理现场失效数据资料，以套管失效为顶事件建立了石油套管的故障树，该故障共考虑了４７个不同的基本事件。通过对套管故障树的分析，得到了套管失效故障树的一阶最小割集２７个，二阶最小割集２９个，四阶最小割集１个，确立了套管的主要失效形式为潜在损坏、套管挤毁、套管断裂及严重腐蚀，并提出了提高套管可靠性的措施。
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| 关 键 词： | 套管 可靠性 故障树 石油套管 钻井机械 |
| 文章编号： | 1000-2634(1999)04-0075-03 |
FAILURE ANALYSIS FOR THE CASING |
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| LIU Qingyou,CHEN Hao.FAILURE ANALYSIS FOR THE CASING[J].Journal of Southwest Petroleum Institute,1999,21(4):75-77,94. |
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| Authors: | LIU Qingyou CHEN Hao |
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| Affiliation: | Southwest Petroleum inst |
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| Abstract: | According to the data casing failure from oilfield, and casing failure as top event, the fault tree of the casing was established in the paper, the model included 47 different essential events. By analyzing the fault tree of casing, 27 one-order minimum cut sets, 29 two-order minimum cut sets and 1 four-order minimum cut sets of the fault tree were obtained. The casing failure is collapse, fracture and serious corrosion, finally the paper presents some measures of improving reliability of the casing. |
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| Keywords: | casing reliability fault tree essential event |
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