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Borehole Drilling

美英

un.回转法钻进

Borehole Drilling

Borehole Drilling

Borehole Drilling

1

Application of the Compressed-air Drilling to the Borehole -drilling Construction of Conventional Drilling Machines

压风钻进在普通钻机钻孔施工中的应用

2

New technology of pneumatic cutting removing for borehole drilling applied to seam with outburst potential in Qinan Mine

钻孔风力排渣新技术在祁南煤矿突出煤层中的应用

3

Quality control of freezing borehole drilling in complicated geological conditions

复杂地质条件下冻结造孔质量控制

4

Measures of Deflection Prevention and Deflection Control for Freezing Borehole Drilling

冻结钻孔偏斜预防及控斜处理措施

5

Borehole Drilling Technology for Pipe-roof Reinforcement of Shallow-buried Tunnels in Soft Ground

软弱地层浅埋暗挖隧道管棚法钻孔技术

6

Research and development on gas and water separator for gas drainage with moisture borehole drilling

赋水钻孔瓦斯抽采气、水分离器的研发应用

8

Development and application status of MK series flat long distance borehole drilling rig

MK 系列近水平长距离钻机的研究应用现状

9

Humble Opinion about Giving Full Scope to Hydraulic Power in Freezing Borehole Drilling

冻结钻施工中发挥水力作用的浅见

10

In-situ Leaching Production Borehole Drilling and Completion in Southern Bujinayi Uranium Mine

南布基纳依铀矿区地浸采矿工艺钻孔施工成井工艺

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