shaft excavation

This paper introduces the design and application of shaft grab.

介绍了井筒挖掘机的研制与应

The parallel-cross operation method application in shaft excavation and building starting prior period

平行交叉作业法在井筒掘砌开工前期的应用

Technical Analysis of Rapid Excavation of Freezing Saft of YANGYIN Mine's Main Shaft

杨营矿主井冻结井筒实现快速掘砌施工的技术浅析

Technical code for brick silos

砖砌圆筒仓技术规范

The inside of the well was bricked over

井里面全部用砖衬砌。

Code for design of inclined shaft and chambers of coal mine

煤矿矿井斜井井筒及硐室设计规范

Experience on the shrink shaft drilling construction reserve period

缩短立井井筒凿井施工准备期的经验

Lining Slipform Construction Technology of Sending and Exhausting Single-shaft

单井送排风式竖井衬砌滑模施工技术

In-site masonry mortar cylinder strength test method

现场砌筑砂浆筒强度试验方法

wellbore storage domination

井筒储存起支配作用

a shaft driven upward is called a raise; one that is driven downward is known as a winze.

从下往上开拓出来的井筒叫天井;从上往下开拓出来的井筒叫盲井。

Technical code for anticorrosion of shaft equipment of vertical shaft of coal mine

煤矿立井井筒装备防腐蚀技术规范

Calculation of Eccentric Wellbore Pressure Drop and Air Volume Requirements in Air Drilling

空气钻井偏心井筒压力及注气量计算

The Simple Study of Rapid Construction of Auxiliary Shaft in EightBao Coal Mine

八宝煤矿副井井筒快速施工作业浅析

Discussion on Working Platform Arrangement Pattern in Vertical Shaft Construction

立井井筒装备施工吊盘布置方式探讨

Construction technology for auxiliary shaft crosscut in huerxinhe coal mine

霍尔辛赫煤矿副井井筒揭煤施工技术

Vertical Shaft Aquifer Surface Advance Grouting Engineering Technique

立井井筒含水层地面预注浆施工技术

Study on Borehole Tempera Ture Distribution for Ultra-deep Gas Well

超深天然气井井筒温度分布规律研究

NONSTEADY STATE MODEL OF GAS RESERVIOR AND HORIZONTAL WELL WELLBORE COUPLING

水平井井筒和气藏耦合的非稳态模型