• This instrument, simple in structure and of multi-function, may be used to measuring the drillability and abrasivity of rocks, and simulate rotary or rotary-percussive drilling as well.

    仪器结构简单,具有多种功能,进行回转冲击回转钻进法的可测试钻进规程模拟可用测试岩石研磨性。

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  • Study on the percussive rotary drilling law under various temperatures is of great significance because it can provide a theoretical basis for new drilling process designed for geothermal production.

    研究不同温度条件下冲击回转凿岩规律具有重要意义,可以设计地热开采的新型钻探方法提供理论依据

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  • The percussive - rotary drilling technology is one of the most effective ways to solve the drilling difficulties in hard rock in recent years. The technology has a good application prospect.

    钻井技术近年来已成为石油钻井界广泛关注热点研究课题,被认为解决深井地层钻进难题有效方法之一具有良好的应用前景。

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  • Hydraulic rotary-percussion drilling is one of five important drilling techniques recently. Itstechnique nucleus is hydro-percussive tools.

    作为当今钻探技术之一动冲击回转钻探的技术核心液动冲击器。

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  • GCF-20A reverse circulation percussive rotary drill rig is a multi function drill rig with percussive drilling as the main means and rotary drilling as supplemented.

    0a型冲击-回转循环工程钻机是以冲击钻进为主、回转钻进为辅多功能钻机,可适应软、硬岩石等不同地层钻进的要求。

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  • GCF-20A reverse circulation percussive rotary drill rig is a multi function drill rig with percussive drilling as the main means and rotary drilling as supplemented.

    GCF -2 0a型冲击-回转反循环工程钻机是以冲击钻进为主、回转钻进为辅的多功能钻机,可适应软、硬岩石等不同地层钻进的要求。

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  • GCF-20A reverse circulation percussive rotary drill rig is a multi function drill rig with percussive drilling as the main means and rotary drilling as supplemented.

    GCF -2 0a型冲击-回转反循环工程钻机是以冲击钻进为主、回转钻进为辅的多功能钻机,可适应软、硬岩石等不同地层钻进的要求。

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