well shooting

Reasons and Overcoming Measures of Anti-explosion of Emulsification Detonator in Blasting at Freezing Gravel Stratum Shaft;

冻结立井爆破乳化炸药拒爆原因及防止措施

Outburst Control Method and Safety Blasting Technology for Seam Opening in Deep Mine Shaft Sinking

深立井揭煤消突方法与安全爆破技术

Increasing Blasting Efficiency of Frozen Rock and Speedingup Shaft Construction

提高冻结基岩爆破效率 加快立井井筒施工速度

Research and Application in Combined Shaft Operation of the Deep Bore Blasting Technique

立井混合作业深孔爆破技术研究与应用

long hole raising

深孔爆破法天井掘进

Exploration of Grouting in Blasting Perfoliate Crack of Dongfeng Liangbei Well

梁北东风井爆破贯穿裂隙注浆的探索

Deep Hole Blasting in Hard Rock of No.1 Auxiliary Shaft of Lilou Steel Coal

李楼铁矿1#副井硬岩深孔爆破技术

Application of Blasting Technology to Inclined Topsoil Construction

爆破技术在斜井表土段施工中的应用

Drilling and Blasting Technology of Hard Rock in New Ventilating Shaft in Zhangxin Coal Mine

张新矿新风井坚硬岩石凿岩爆破技术

Technology of Excavating Square Vertical Well by Pre-split

方形竖井预裂爆破一次成型施工工艺

Study on Enclosing Rock of Deep Tunnel Well Destruction Character under Blasting Shock Effect;

爆破震动作用下深井巷道围岩破坏特征研究

Control of Blasting Vibration Arising from Vertical Shaft Excavation in the Southern Hall of the Guangzhou East Metro Station

广州地铁东站南厅竖井石方爆破震动控制

Design and Practice of Blasting Demolition for Multiple Double-pipe of Abandoned Oil Well

废弃油井多重套管爆破拆除的设计与实践

Study on Simulation Optimization and Application of Shaft Formation by One Deep-hole Blasting;

深孔爆破一次成井模拟优化与应用研究

Study on Attenuation Law of the Blasting Vibration and the Controlling Technology in Deep Metal Mine;

深井爆破振动衰减规律与控制技术研究

Underground Deep Hole Blasting Parameter Optimization in Chengchao Iron Mine

程潮铁矿井下中深孔爆破参数设计优化

Study on Blasting Techniques of Oblique Well in Stiff-plastic Red Clay

硬塑性红粘土层斜井高效爆破技术研究

The Effects of Ambient Pressure on Wellbore Crushing Effect Under Explosive Fracturing

爆炸压裂下围压对井壁破碎效果的影响