1) drilling technology
钻进工艺
1.
Research on the drilling technology of applying the foaming DTH hammer into hydrology and water well drilling;
泡沫潜孔锤应用于水文水井钻探的钻进工艺初探
2.
When drilling in frozen rock,the temperature in borehole is one of the main factors influencing drilling technology.
钻孔温度特性是影响多年冻结岩石钻进工艺的主要因素之一。
3.
In the light of the unique problems concerning drilling equipment and drilling technology in in situ leaching sandstone uranium exploration, the relevant established experiences of the former Soviet Union is described with the discussion on how to design drilling equipment layout and enchance the study of the drilling technology in conjunction with the practical condition
针对地浸砂岩铀矿钻探工作中最突出的钻探设备和钻进工艺问题，介绍了前苏联国家的有关成熟经验，并结合实际情况，探讨了如何进行钻探设备配套和加强钻进工艺研究的具体问题。
2) combined drilling tecchnique
复合性钻进工艺
3) drilling equipment and technology
钻进设备与工艺
4) combined drilling technique
复合钻进工艺
1.
The description is made of the introduction and analysis of the popular drilling hole technique that used in large boulder formation, including normal drilling technique such as digging, percussion drilling, rotary drilling, large diameter DTH drilling, explosion drilling technique and combined drilling technique.
介绍了目前在含巨大孤石地层中的成孔方法 ,包括一般方法如开挖法、冲击钻进、回转钻进、大直径潜孔锤钻进、爆破法、复合钻进工艺。
5) optimization of drilling technology
钻进工艺规律
6) drill process for sampling
取样钻进工艺
补充资料：采气工艺(见天然气开采工艺)
采气工艺(见天然气开采工艺)
gas production technology
，一‘J\匕乙吕天然气开采工艺pro以uetionteehnology)见
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条