1) approximate horizontal long-hole
近水平长钻孔
1.
Experimental research on using approximate horizontal long-hole instead of closed high extracted roadway to drain gas;
顶板近水平长钻孔替代闭式高抽巷进行瓦斯抽放的试验研究
2) horizontal long borehole
水平长钻孔
1.
Design and application of horizontal long borehole for gas drainage in seam roof;
煤层顶板瓦斯抽放水平长钻孔的设计与应用
3) high location strike near-horizontal hole
高位近水平钻孔
4) Subhorizontal Drilling
近水平孔钻进
1.
Research on In-situ Exploring and Hydraulic Correction Technology for Coalbed Methane Subhorizontal Drilling;
煤层气近水平孔钻进原位探测与水力纠偏技术研究
5) long drill-hole along rock level
岩石水平长钻孔
6) horizontal borehole
水平钻孔
1.
With respect to that the interpretation method of horizontal borehole log in coal mine applies that of surface vertical borehole log,the theoretical analysis and numerical modeling are conducted to the natural gamma ray log and apparent resistivity log of horizontal borehole in coal mine using the numerical method,and the practical problems are resolved.
针对煤矿井下水平钻孔测井解释沿用地面垂直钻孔测井解释方法的问题,应用数值方法,对煤矿水平钻孔自然伽玛测井、视电阻率测井进行理论分析和数值模拟,通过实例计算,与实际情况相符。
2.
The methods and principles of measuring coal thickness by resistivity method along a horizontal borehole in coal sean are presented.
论述了顺煤层水平钻孔中电阻率法探测煤层厚度的方法原理,使用线性数字滤波法对不同地电类型做了正演模拟。
3.
In order to solve these technical problems,horizontal borehole technology by hydraulic jetting was applied in Changqing oil-field in 2007.
为了解决上述技术难题,2007年长庆油田引进了水力喷射水平钻孔技术。
补充资料:近侧水平线
近侧水平线
皮纹学术语,系手掌属曲面褶线之一。起于拇指与示指之间,向尺侧延伸,终于小鱼际。通常用E表示。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条