...钻孔方向;孔斜成因;孔内事故;钻进效率;钻孔质量;连续帷幕 [gap=562]Keywords: the Jishi Gorge Hydropower Station; drilling direction; causes of hole deviation; hole accident; drilling efficiency; drilling quality..
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direction drilling 定向钻井
horizontal direction drilling 平方向钻孔 ; 水平定向钻法
direction drilling machine 定向钻机
This technology can do repetition measurement of well bore track, determine drilling direction and window cutting direction of sidetrack well and so on.
该技术可用于井身轨迹复测、钻井定向和侧钻井开窗定向等。
The article mainly discusses the cause of ramp-hole and its blights, introduces the prevention and treatment measures, and brings forward some Suggestions to guarantee the drilling direction.
文章着重探讨孔斜成因及其不良影响，介绍了孔斜的预防和处理措施，对保证钻孔方向的重要性提出了一些建议。
It is used to control the drilling direction of the land or offshore platforms. It can provide accurate drilling direction and measure the temperature and magnetic intensity around the drill.
该系统主要用于陆上、海洋平台等方面的定向钻进，可以精确地了解钻头的航向，还可以测量钻头处的温度和磁场强度。
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