| 南渡江定向钻穿越技术 |
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| 引用本文： | 李辉.南渡江定向钻穿越技术[J].管道技术与设备,2012(3):42-44. |
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| 作者姓名： | 李辉 |
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| 作者单位： | 中海石油管道输气有限公司,海南海口,570105 |
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| 摘 要： | 针对南渡江穿越水平定向钻施工,采用了大口径、长距离、复杂地质条件下的水平定向钻施工技术,讨论了路由选择和曲线设计原则,并对此条件下的导向孔钻进、扩孔、回拖、泥浆配制等技术进行了分析,有效地解决了抱钻等常见问题。
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| 关 键 词： | 输气管道 岩层 水平定向钻 穿越曲线 工艺方案 |
NanduRiver Drilling Crossing Method |
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| LI Hui.NanduRiver Drilling Crossing Method[J].Pipeline Technique and Equipment,2012(3):42-44. |
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| Authors: | LI Hui |
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| Institution: | LI Hui(CNOOC Gas Pipelining Limited,Haikou 570105,China) |
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| Abstract: | During the construction of horizontal oriented drilling for pipeline crossing the Nandujiang River,this paper conducted horizontal oriented drilling technology with difficulties of large diameters,long distances and complex geological conditions,discussed the principle of path & route choosing and designing,analyzed pilot holing,hole opening,pulling back and fluid-use issues in above-mentioned conditions to solve effectively a series of problems like drill lock,etc. |
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| Keywords: | gas pipeline strata horizontal directional drilling cut-through curres technological plan |
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