| 东庞煤矿DB2-E5井侧钻水平钻进技术 |
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| 引用本文： | 李光宏.东庞煤矿DB2-E5井侧钻水平钻进技术[J].探矿工程,2018,45(7):52-55,69. |
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| 作者姓名： | 李光宏 |
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| 作者单位： | 河北省地矿局第九地质大队 |
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| 摘 要： | DB2-E5井是冀中能源公司东庞煤矿奥陶系灰岩注浆钻探工程的第一口侧钻水平注浆井。分析了该井的钻进难点，给出了井身结构设计和分支井设计轨迹等，详细介绍了该井实钻技术措施及所采用的钻具组合和钻进参数。该井的成功，对东庞煤矿奥陶系灰岩注浆防水、治水及降低钻井成本具有重要意义。
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| 关 键 词： | 侧钻 定向井 水平井 井身结构 钻井参数 钻具组合 注浆 东庞煤矿 |
| 收稿时间： | 2018/6/12 0:00:00 |
| 修稿时间： | 2018/6/19 0:00:00 |
Sidetracking Horizontal Drilling Technology in Well DB2-E5 of Dongpang Coal Mine |
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| LI Guang-hong.Sidetracking Horizontal Drilling Technology in Well DB2-E5 of Dongpang Coal Mine[J].Exploration Engineering(Drilling & Tunneling),2018,45(7):52-55,69. |
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| Authors: | LI Guang-hong |
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| Institution: | 9th Geological Brigade, Hebei Bureau of Geology and Mineral Resources Exploration |
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| Abstract: | DB2-E5 is the first sidetracking horizontal well for grouting in Dongpang. This paper analyzes the drilling difficulties, presents the well structure desigh and branch well design trajectory and introduces the real drilling technical measures and DHA as well as drilling parameters in detail. The successful completion of this well is of great significance for Ordovician grouting, waterproofing, water control and drilling cost reduction. |
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| Keywords: | sidetracking directional well horizontal well well structure drilling parameters BHA grouting Dongpang coal mine |
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