1) drilling with casing
跟管钻进技术
1.
The paper mainly discussed the working principle of full-hole reverse circulation drilling & drilling with casing technology,the drill assembly,experimental equipment,field work and field experimental result.
针对洛阳栾川钼矿复杂地层情况,对其钻进工艺进行研究,重点论述了全孔反循环钻进技术和跟管钻进技术的工作原理以及钻具组合、实验设备、野外工作情况及野外试验成果。
2) drilling with simultaneous casing
跟管钻进
1.
The paper introduced the characteristics of DTH drilling with simultaneous casing technology,SP series of simultaneous casing drilling tool and the application of DTH drilling with simultaneous casing technology in drilling in complicated formation,such as control of geological hazard,hydropower construction,foundation treatment for urban high-rise building,highway and rai.
跟管钻进技术已发展成为对付复杂地层钻进的一种有效方法,主要介绍空气潜孔锤跟管钻进技术、SP系列跟管钻具的特点以及空气潜孔锤跟管钻进技术在地质灾害、水电建设、城市高层建筑地基处理、公路、铁道建设工程等复杂地层钻进的应用。
3) Difficult Ground Condition
跟套管钻进
4) drilling technology
钻进技术
1.
Research and Application of Drilling Technology in Carboniferous System in Northwestern Edge of Zhunger Basin
准噶尔西北缘石炭系钻进技术研究及应用
2.
Thermo-mechanical rock fragmentation drilling technology (TM ) is a kind of new drilling method, which firstly makes use of the friction energy produced by drill bit and rock to heat the rock, and then uses the cutting unit to complete the rock fragmentation.
摩擦热-机械碎岩钻进技术是利用钻头与岩石产生的摩擦热能加入弱化岩石,然后利用钻头上的切削元件切削碎岩。
3.
In currently geotechnical engineering,it is facing one of the most important technical problem about drilling technology of large diameter bored-pile in alternating hard and soft rock which obliquity change large and steep.
结合某桥址的工程地质特征,分析了滚刀的碎岩机理和滚刀的分布规律,采用大扭矩动力头液压钻机配组合式滚刀钻头钻进的施工工艺,改进了常规的气举反循环排渣方式,总结出回次钻进技术方法,探索出一套适应该地层的泥浆性能指标、钻压、转速和小时进尺等工艺技术参数值;研究发现泥浆对钻具的浮力影响是不能忽略的,提出了一种行之有效简易确定钻压的方法,这些技术参数和工艺方法对类似工程的施工具有一定的指导意义。
5) drilling speed of following pipe
跟管钻进速度
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参考词条