| 偏重钻具防斜机理分析及应用 |
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| 引用本文： | 张桂林,刘同富,张延明. 偏重钻具防斜机理分析及应用[J]. 石油钻探技术, 1999, 27(1): 18-20 |
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| 作者姓名： | 张桂林 刘同富 张延明 |
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| 作者单位： | 1. 胜利石油管理局生产管理部,山东东营,257001
2. 胜利石油管理局钻井五公司技术部,山东东营,257001 |
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| 摘 要： | 介绍了胜利油田胜北断裂带和坨胜永断裂带两个地层倾角为３０°～５０°区块上的钻井情况，分析了偏重钻具的结构及防斜、纠斜原理。５口井的现场应用表明，该偏重钻具能有效地解决大倾角地层钻井中易发生井斜的问题，值得推广应用。
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| 关 键 词： | 偏重钻铤 井斜 井斜控制 纠斜 钻具组合 胜利油田 |
| 文章编号： | 1001-0890(1999)01-0018-03 |
| 修稿时间： | 1998-11-16 |
Investigation of Deviation Prevention Mechanism of Unbalanced Drill Tools and Its Applications |
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| Zhang Guilin,Liu Tongfu,Zhang Yanming. Investigation of Deviation Prevention Mechanism of Unbalanced Drill Tools and Its Applications[J]. Petroleum Drilling Techniques, 1999, 27(1): 18-20 |
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| Authors: | Zhang Guilin Liu Tongfu Zhang Yanming |
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| Abstract: | Drilling activities are introduced in two blocks with formation dip 30°￣50°, the structure features and deviation prevention mechanism of two unbalanced drill tools are analyzed. Application results in 5 wells show the tools can solve the problem of well deviation encountered in formations with big dip and is worth wide application. |
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| Keywords: | unbalanced drill collar eccentric joint hole deviation deviation control hole straightening bottom hole assembly Shengli Oilfield |
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