• The sales, maintenance and service of rotary drilling rig drill rod;

    钻机钻杆销售维修服务

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  • They are different from that of conventional rotary drilling equipment.

    这些设备常用钻进法设备不同

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  • Because it is in mass production, using a rotary drilling fixture, improved production efficiency.

    由于批量生产采用回转式钻床夹具提高了生产效率

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  • Based on the principle of conversation of energy, the energy for rotary drilling has been analyzed.

    旋转钻进是岩土工程钻探主要钻进方式,能量守恒原理出发,旋转钻进能量进行分析。

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  • Based on the principle of conversation of energy, the energy for rotary drilling has been analyzed.

    旋转钻进是岩工程钻探主要钻进方式,能量守恒原理出发,旋转钻进的能量进行分析。

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  • The rotary drill stem will engender direction drift in rotary drilling of directional well and cluster well.

    定向井转盘钻进旋转产生方位漂移

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  • The steer-able rotary drilling system can control the well path timely and accurately, but it is too expensive.

    旋转导向工具进行连续导向钻井具有随时可控性轨迹控制质量高,但使用成本很高。

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  • The method of rotary drilling hole and protecting hole wall by static mud is an advanced technique to drill hole.

    静态泥浆护壁工艺一项先进成孔工艺。

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  • The rotary drilling rig excavation in Yingbin Road station means the start of the station enclosure construction.

    迎宾路钻机开挖意味着该站围护施工开始

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  • The forming mechanism of the bias force is the key to the study of the modulated steerable rotary drilling system.

    导向形成机理研制旋转导向工具核心

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  • Rotary drilling rig is used in bored pile construction of No. 1 and No. 2 Yongning River Bridge in Hefei-Nanjing Railway.

    铁路永宁河12号特大钻孔灌注桩基础采用旋挖钻机施工

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  • There are several other kinds of rotary drilling equipment using the rotary principle in the construction of vertical shafts.

    建设竖井中,一些其它种类利用旋转原理钻进设备

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  • MAIT is the first company to research and manufacture the rotary drilling RIGS and related foundation equipment in the world, Mr.

    世界最早开始进行钻机以及相关基础施工设备研发公司

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  • Evaluation of the service life of a rotary drilling line is of great importance to ensuring safe drilling and reducing drilling cost.

    钢丝绳使用寿命评定确保钻井安全降低钻井成本具有十分重要意义。

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  • The percussion-rotary drilling technique is one of the most effective drilling methods. It has made a great progress in recent years.

    冲击旋转钻进技术高效的方法,近年来随着施工领域的拓宽取得很大的进步

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  • The pneumatic percussion rotary drilling is mainly operated in the area where liquid is hardly or not permitted to be used as the circular medium.

    气动冲击回转钻进主要应用于液体作为循环介质地区

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  • Pangolin provide customers with a variety of rotary drilling accessories, including bucket teeth, tooth Block, the center point, to mention inducer.

    我公司为广大用户提供各种配件包括各种齿、截齿、齿中心、提引器等。

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  • Based on the historical experience of drilling technology, it is proposed to study the bottom process of large diameter reverse circulation rotary drilling.

    根据钻探技术历史经验建议应进行直径循环回转钻进井底过程研究

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  • The percussion and rotary drilling of hydraulic impactor may heighten drilling velocity several times, when it is been applying in drilling geothermic well.

    冲击器冲击回转钻进技术应用于地热井钻进中,可以提高钻进速度

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  • Mechanical rock breaking is the main function of modern rotary drilling. The purpose of jet aided mechanical rock breaking is to improve the penetration rate.

    现代旋转钻井破碎岩石是以机械主导方式,射流辅助机械破岩目的提高机械钻

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  • The utility model discloses an adjustable display support and relates to the adjustable display support which is used in a driving cab of a rotary drilling rig.

    实用新型可显示器支架涉及一种用于旋挖钻机驾驶室内的可调显示器支架。

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  • This paper describes how the rotary drilling stem lost its stability in detail, and presents the main factors influencing drill stem stability in rotary condition.

    系统地进行了斜直井旋转状态下钻柱稳定性的试验研究描述了旋转稳的过程,分析了旋转状态下影响稳定性主要因素

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  • Due to the rotary drilling rig characteristics of high efficiency, less pollution, more functional, it has been widely applied in the pile foundation construction.

    钻机效率污染功能特点桩基施工中得到了广泛应用

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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.

    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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  • The paper introduced the use of airlifting reverse circulation rotary drilling techniques in practice of major diameter socket pile operation at Xiangfan city's Hanjiang No.

    介绍使用泥浆护壁气举循环回转钻进工艺进行襄樊汉江四桥口径嵌岩施工实践

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  • Rotary drilling is a dominant way in geotechnical engineering borehole surveying. Based on the principle of conversation of energy, the energy for rotary drilling has been analyzed.

    旋转钻进工程钻探主要钻进方式能量守恒原理出发,旋转钻进能量进行分析。

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  • The paper introduced the use of airlifting reverse circulation rotary drilling techniques in practice of major diameter socket pile operation at Xiangfan city's Hanjiang No. 4 bridge site.

    介绍使用泥浆护壁气举循环回转钻进工艺进行襄樊汉江四桥口径嵌岩的施工实践

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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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  • 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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