This paper discusses the procedures of DTH hammer and core drilling with casing.
本文主要论述了空气潜孔锤跟管取心钻进规程。
Drilling with DTH can achieve high efficiency in rock and soil drilling engineering.
潜孔冲击器钻进是岩土钻掘工程中的一种高效钻进方法。
The paper presents a new principle and method on laser drilling with focusing of ultrasonic vibration lens.
提出了超声振动透镜聚焦法打孔的新的原理和方法。
When very small vias are required, drilling with mechanical bits is costly because of high rates of wear and breakage.
当很小，钻要求焊机械位是昂贵的，因为高水平的磨损和破损。
All of these provide a reference date for the applications of vibration drilling with low frequency torsional vibration.
为低频扭振型的振动切削应用于生产实践提供了参考数据。
At present, plane parallel resonator is often used in multipulse laser drilling with average distribution of pulse energy.
目前，对于多脉冲激光打孔，往往都是采用平行平面腔而脉冲能量采用平均分配法。
There is no circulation in drilling with only a little amount of mud for wall protection without pollution to the environment.
不需要泥浆循环，仅用泥浆护壁，使用泥浆少，不污染环境。
In this paper we put forward a method of precision laser drilling with plane convex resonator and focusing of quasi-light column.
本文提出采用平凸光学谐振腔准光柱聚焦精密激光打孔方法。
After the various visual defects during drilling processes were analyzed, the importance of drilling with compressive pre stress was presented.
根据复合构件加工中的各种缺陷，分析了采用预压应力钻削对改善表面加工质量的重要性。
Objective To observe the process of articular cartilage defect repairing and compare the long-term effects after subchondral drilling with different number of holes.
目的观察软骨缺损的修复过程，比较不同数目钻孔术对软骨缺损修复的远期效果。
How to build a simulated ocean environment and support applications for operational training or campaign drilling with it is gradually becoming a study field that people concern.
研究海洋环境的仿真，为操作训练或作战演练提供海洋环境方面的支持，正在成为人们关注的热点。
If this technology is applied in rock salt drilling with solution mining, it will get remarkable economic benefit and meanwhile it will increase EOR and obtain good social benefit.
该技术若应用在岩盐钻井水溶采矿中将会获得良好的经济效益，同时也必将提高采矿率，获得良好的社会效益。
The two technical problems faced by the technology of under-balanced horizontal well drilling with gas injection are the down-hole motor and the conventional MWD can't work normally.
注气欠平衡钻水平井技术面临的两大技术难题是井下动力钻具不能正常工作和常规MWD无法正常工作。
Difficulties are encountered in drilling in boulder formation are efficiently eliminated by using of a combined drilling technique which combines casing drilling with DTH drilling method.
本文介绍的采用套管钻进和潜孔锤钻进相结合的复合性钻进工艺，有效地解决了在卵砾石层中钻进的难题。
The Changshan Salt Mine adopted tech nologies of free and inclined style windows opening for brine well repair. It is succeed to use side drilling with windows opening for brine well repair.
四川久大（集团）公司长山盐矿在卤井修治中，采用自由式开窗、导斜开窗两种工艺处理卤井事故，经过多次卤井修治开窗侧钻技术的应用，从而取得了一定的成绩。
Producers have boosted supplies and recoverable reserves in the United States by combining horizontal drilling with hydraulic fracturing, also called fracking, to produce gas from shale formations.
天然气生产者已经通过水平钻孔技术和水力破碎技术的结合从页岩结构中开采天然气，从而来增加天然气供应和可恢复储备。
For bedrock drilling ordinary hard alloy driller can be adopted for vertical core-drilling with the addition of clear water during rotation. for overburden dry drilling process can be adopted.
基岩钻探方法以采取普通硬质合金清水回转垂直取心钻进，覆盖层采用干钻。
Drilling with complex pressure system is a worldwide difficult problem. Several different pressure gradient stratums exist in the same bare hole section, which is very common in the drilling process.
复杂压力系统钻井是当今钻井技术领域的世界性难题，钻井过程中常常碰到多个不同压力梯度的地层处于同一裸眼井段中。
The next step is to try to staunch the flow proper with drilling mud, a mixture of water and clay minerals.
下一步是设法很巧妙地用由水与黏土矿物质组成钻探泥浆堵住原油的涌出。
That is worrying for Vietnam, which has sparred with China over undersea drilling by Western oil companies.
越南的烦心事则是与中国在西方石油公司海底钻探问题上的分歧。
I sometimes have problems with human hunters and oil drilling where I live. But I normally just ignore people.
有时，因为人类捕猎，在我住的地方钻油等也会产生不愉快，但我通常不去理睬他们。
It was therefore perfectly natural that an oil company, granted a large concession for coastal drilling, should slip him regular suitcases stuffed with cash.
因此，一家得到巨大特许权能在海边钻井的石油公司经常塞给他装满现金的箱子是再自然不过的了。
Some in the industry have said a company with such a strong focus on deepwater drilling should have had much better contingency plans for dealing with an underwater oil leak at this depth.
一些业内人士说，像这样一家如此关注深海钻井的公司应该有一套应付在这个深度的水下石油泄露的更好的紧急计划。
With such an early and intense drilling, the habit soon becomes second nature, effortless and unconscious.
从小就开始如此激烈的训练，习惯就变成了第二自然的、下意识的行为，根本不用费多大劲。
In the final hearing the court did stipulate that Greenpeace is liable for 50, 000 euro for each further day we interfere with Cairn's drilling.
在最后的审理中，法院确实作出了如下裁决：绿色和平组织有法律责任为我们在未来对凯恩钻井的干涉支付每天5万欧元的赔偿。
In the final hearing the court did stipulate that Greenpeace is liable for 50, 000 euro for each further day we interfere with Cairn's drilling.
在最后的审理中，法院确实作出了如下裁决：绿色和平组织有法律责任为我们在未来对凯恩钻井的干涉支付每天5万欧元的赔偿。
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