| 复杂地层钻具早期失效模式分析及改进对策 |
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| 引用本文： | 李爱国,王学民,姜红波,陈凡涛.复杂地层钻具早期失效模式分析及改进对策[J].石油工业技术监督,2007,23(10):20-23. |
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| 作者姓名： | 李爱国 王学民 姜红波 陈凡涛 |
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| 作者单位： | 1. 中国石化集团河南石油勘探局,质量技术监督处,河南,南阳,473132
2. 中国石油化工集团河南石油勘探局,钻井工程公司,河南,南阳,473132 |
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| 摘 要： | 通过对安棚、赵凹区块钻具早期先期失效现状调查，得出了钻具早期失效的主要模式及产生原因。通过对故障模式影响分析．制定了改进钻具结构改善钻具螺纹加强钻井液维护与处理等改进对策，通过采用有效措施减轻复杂应力的现场应用取得了良好的效果。
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| 关 键 词： | 钻具失效 模式分析 改进 |
| 收稿时间： | 2007-09-07 |
| 修稿时间： | 2007年9月7日 |
Analyses of Drilling Tool Failure Modes in Complicated Stratum in Earlier Period and the Improvement Countermeasures |
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| Abstract: | By means of the survey at Anpeng and Zhaowa Blocks, the main modes and the causes of drilling tool failure in earlier period are found out. Then, through the analysis of failure mode influence, some improvement countermeasures are established, which include the improvement of drilling structure and screw thread, enhancement of drilling liquid maintenance and treatment. Finally, the good effect has been achieved in the work-site application by the adoption of effective methods to reduce the complicated stress. |
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| Keywords: | drilling tool failure mode analysis improvement |
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