...钻进工艺；杨家坪井田 中图分类号： P634.4+3 文献标识码： A [gap=950]Keywords: CBM borehole; S96 wire line coring tool; drilling techniques; Yangjiaping minefield ...
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...钻机；安装；搬迁；钻进工艺；施工问题 [gap=472]Key words】All-hydraulic Drilling;Installation;Removal;Drilling Technology;Construction Issues ...
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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。
When drilling in frozen rock, the temperature in borehole is one of the main factors influencing drilling technology.
介绍了应用气举反循环钻进工艺解决这些疑难技术问题的成功案例。
The paper introduces the typical examples for resolving these problems by air-lift reverse circulation drilling technology.
采用合适的钻进工艺，可以穿越许多类型的地层，有较宽的适用范围。
Proper drilling process can be adopted in crossing of many types of formations, which has wider scope of application.
应用推荐