When the rock-breaking cutters are used in the shaft drilling,there would be the problems of sealed structure failure.
本文针对钻井法凿井中出现的破岩滚刀密封结构失效问题,分析了破岩滚刀密封结构失效的原因,提出了预防密封失效的技术措施。
The important tech- niques in deep shaft drilling are briefly described,e.
综合介绍我国深井钻井法凿井技术的发展和成就；在钻机设备、破岩刀具及钻井泥浆等钻进技术上的突破,概括阐述了在深井钻井法井筒支护中,首次采用沿深度改变井壁断面的新结构；验算预防井壁悬浮下沉安装中的轴向失稳；预留泄水孔解决复合井壁内层钢板“鼓包”等关键技术,分析徐淮地区部分井筒井壁局部破裂的原因,提出设防见解。
According to the construction-characteristics of shaft drilling and indoor exploring experiment,the method to use Polymer as the mud additive to inhibit the diameter expansion and shrinkage clay layer,toughen mud cake and stable the sand hole wall is promoted.
针对钻井法凿井施工工艺特点,经室内探索性实验,提出了采用高分子聚合物作为泥浆处理剂抑制粘土层膨胀缩径和增韧泥皮稳固砂层孔壁的方法,从而为今后在深厚冲积层赋存有膨胀性粘土层和含水流砂层中快速、安全钻井提供了参考依据。
This paper is based on experience of sinking by boring.
本文在总结钻井法凿井施工经验的基础上,对泥浆工艺中较为突出的几个问题进行了分析,并提出了解决问题的建议。
Design Optimization of Drilled Shaft Lining Structure in 1000m Deep Shaft
千米深井钻井法凿井井壁结构设计优化
Application of Waste Drilling Mud Treatment Technology for Mine Full Face Drilling
钻井法凿井废弃泥浆处理技术的研究应用
drilling practice
钻井实践；钻井习用方法；钻井作业；钻井参数
Kind-Chaudron process
金特－肖德隆凿井法
construction survey for conventional shaft sinking method
普通凿井法施工测量
construction survey for special methods of shaft sinking
特殊凿井法施工测量
Specification for operation of hydrographic geological drilling and digging for water-supply
供水水文地质钻探与凿井操作规程
To bore(a shaft) with a trepan.
钻用钻井机钻（矿井）
Shaft sinking winch
GB/T15112-1994凿井绞车
open a mine, well, tunnel, etc
开矿、 打井、 凿隧道
Research on the Influence of Frost Heave of Frozen Soil to Derrick Footing in Freezing Sinking Shaft;
冻结法凿井冻土冻胀对井架基础影响的研究
The Key Technology of Freezing Repairing Shaft of the 658m Soft Rock Drilling Shaft
658m软岩普通法凿井井筒冻结修复关键技术
Frozen method applied in excavation of vertical shaft of iron ore mine
冻结法凿井技术在铁矿山竖井中的应用
Safe and Rapid freezing Process in Deep Impact Layer of Guqiao Main Shaft
顾桥主井厚冲积层冻结法凿井施工技术
Drilling, Logging, Mud-logging Managers
钻井、测井、录井处长（经理）
The Research on Logging Geosteering of Drilling Horizontal Well;
水平井钻井的测井地质导向方法与技术研究
Research on optimal azimuth determination of inclined hole and horizontal hole
斜井水平井优势钻井方位确定方法研究
Mud logging technology under the underbalanced drilling
欠平衡钻井条件下录井技术方法探讨