| 大口径深孔钻具选用原则及建议 |
| 投稿时间：2011-10-18 修订日期：2011-10-18 点此下载全文 |
| 引用本文：王振志,李艳丽,李晓晖.大口径深孔钻具选用原则及建议[J].钻探工程,2012,39(3):14-18.WANG Zhen-zhi,LI Yan-li,LI Xiao-hui. Principle of Drilling Tools Selection for Large Diameter Borehole and the Suggestions[J]. Drilling Engineering, 2012,39(3):14-18. |
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| 中文摘要:为了适应深孔钻探的需要，减少孔内事故的发生，阐述了深孔钻具的选用原则，对钻铤、钻杆、转换接头、方钻杆的选用方法进行了具体介绍，并就经常遇到的钻柱切口问题、临界钻压和转速问题提出了建议，为施工单位进行合理的钻具选用和组合提供了参考。 |
| 中文关键词:深孔钻具 钻杆 钻铤 方钻杆 转换接头 |
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| Principle of Drilling Tools Selection for Large Diameter Borehole and the Suggestions |
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| Abstract:The paper discussed the principle of drilling tools selection for deep hole to avoid downhole trouble; introduced the selection of drill collar, drill pipe, conversion joint and kelly; and put forward the reference suggestions to frequently encountered milling keyway in drill string, critical drilling pressure and rotating speed. |
| keywords:deep hole drill tool drill pipe drill collar kelly conversion joint |
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