| φ139.7mm×7.72mm J55 LC套管脱落失效分析 |
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| 引用本文： | 李光峰,王建东,卫尊义,白小亮,吴健,艾裕丰,冯娜,付彧.φ139.7mm×7.72mm J55 LC套管脱落失效分析[J].石油矿场机械,2012(11):53-58. |
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| 作者姓名： | 李光峰 王建东 卫尊义 白小亮 吴健 艾裕丰 冯娜 付彧 |
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| 作者单位： | 中国石油集团石油管工程技术研究院,西安710065 |
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| 摘 要： | 某油田定向井的二开套管在作业时发生脱扣事故。对套管失效部位进行综合分析和讨论。结果表明：失效的主要原因是内外螺纹啮合有效扣数〈22扣,另外材料性能较低也是套管脱落的原因之一。
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| 关 键 词： | 套管 脱扣 啮合 |
Failure Analysis on φ139.7 mm×7.72 mm J55 LC Casing Dropout |
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| LI Guang-feng,WANG Jian-dong,WEI Zun-yi,BAI Xiao-liang,WU Jian,AI Yu-feng,FENG Na,FU.Failure Analysis on φ139.7 mm×7.72 mm J55 LC Casing Dropout[J].Oil Field Equipment,2012(11):53-58. |
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| Authors: | LI Guang-feng WANG Jian-dong WEI Zun-yi BAI Xiao-liang WU Jian AI Yu-feng FENG Na FU |
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| Affiliation: | Yu(Tubular Goods Research Center,CNPC,Xi′an 710065,China) |
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| Abstract: | In the directional wells of an oil field,tripping accident occurred when re-drilling casing had been in operation.According to the analysis and discussion on the failure parts of the casing,the main reason that resulted failure is that the effective buckle number of thread meshing is less than 22,and another reason for casing dropout is poor material properties. |
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| Keywords: | casing tripping meshing |
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