《Table 1 Application of Maurer 7 3/4″high-temperature turbodrill in EE-2 well》
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《Development and application of turbodrills in hot dry rock drilling》
In the drilling process of the EE-3 well,the Maurer high-temperature turbodrills worked very well,7 3/4″high-temperature turbodrills worked successfully 14 times out of the total 17 times,and the 2 failings were result of bearing failure due to ineffective float valves,1 failing was the result of drill brake from necking.In the drilling process of8 3/4″hole,the use of 5 3/8″high-temperature turbodills succeeded 8 times directional drilling.
图表编号 | XD0016466100 严禁用于非法目的 |
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绘制时间 | 2018.03.01 |
作者 | ZHANG De-long、WENG Wei、ZHAO Chang-liang、XU Jun-jun、YANG Peng、HUANG Yu-wen、HU Zhen-zhong |
绘制单位 | Beijing Institute of Exploration Engineering、Beijing Institute of Exploration Engineering、The Second Hydro-geology & Geo-engineering Brigade of Shandong Provincial Bureau of Geology and Mineral、Beijing Institute of Exploration Engineering、Beijing Institut |
更多格式 | 高清、无水印(增值服务) |
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