• When underbalanced drilling or drilling easy leaky zone by using aeration fluid, the determination of fluid density and downhole fluid column pressure is very important.

    利用体型流体进行平衡钻井地层,流体密度井下压力确定十分重要

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  • The power produced by BLDC motor and pump is kind used by rotary steering drilling instrument, which has the characteristic of stabilization and easy controling.

    前言:电机动力作为旋转导向钻井工具导向力的种,有着动力稳定、 可控性好等优点。

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  • Drilling fast, easy slag, the smaller the turning resistance.

    清渣容易回转阻力钻进速度快

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  • The diamond drilling method discribed in this paper is easy to do and has a practical significance.

    这种钻探技术,一项简而易行,又十分意义的技术工艺。

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  • The swivel-tube barrel can effectively increase core recovery rato. suitable for drilling in formations in which oblique hole comes easy. It is effective to assure hole quality.

    动双层岩芯管钻具结构简单、操作方便、同轴度好、适用寿命长,有效地提高、矿的完整度。

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  • The tool's objective is to provide a portable surgery cutting tool, which can locate sawing and drilling accurately, and is easy to be operated, reducing the damage to the patient.

    目的在于提供一种定位准确使用方便,可减少病人损伤便携式手术切削工具

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  • It is easy to see that new economic has challenged traditional notion of drilling and educating.

    显而易见经济传统培训、教育理念彻底提出了挑战

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  • Analyzed causation of TK-3 hydraulic vertical shaft coring drilling rig easy to bring hydraulic chuck failure, get stuck with actuating rod etc, put forward two alteration schemes.

    根据TK - 3液压立轴式岩心钻机结构分析产生液压卡盘失灵、主动钻杆故障的原因提出套改造方案。

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  • Each link in the processes of drilling and production was threatened by the very high toxicity and corrosivity of hydrogen sulfide, which was extremely easy to cause an accident.

    由于硫化氢极强的毒性腐蚀性威胁着钻采生产过程中的一个环节极易发生事故。

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  • The applications in the field shows its advantages as simple installation and easy operation, high automation, avoiding safety emergency, lessening hard work, scraping the drilling mud off.

    新型气动卡瓦体工作高度低,可自动泥,具有安装操作简便、自动化程度高、悬挂能力大等特点。

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  • Compared with the commercialized push pull osmotic pump tablet, sandwiched osmotic pump tablet is easy in preparation with exempting identification of drug layer before drilling.

    与市售双层渗透相比夹芯渗透泵片免去打孔前药物层辨认过程,制备过程简化。

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  • Drill stem test plays an important role in drilling operation. It is easy to fail or to cause complicated down hole situations if conducted improperly.

    中途测试钻井施工中具有重要作用如果测试措施不到位,容易导致测试失败发生钻井复杂情况

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  • Meanwhile, as the main ingredient is wood, wood and wood residue, wood texture and the same can be nails, drilling, grinding, sawing, planing, paint, easy to distort, cracking.

    同时由于产品主要成分、碎木木,质感实木一样能够不易变形龟裂

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  • Used with our down-hole hammer, it can drill through complicated formations in which drilling holes are easy to collapse.

    配合我厂生产的潜锤,可以钻穿复杂坍塌底层。

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  • This skull surface positioner has the advantages of simple structure, convenient to use, safe and reliable and the drilling depth is easy to control.

    这种颅骨表面定位器具结构简单使用方便安全可靠钻孔深度易于控制优点

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  • "Clamp Type" knee switch which don't need to cut the table, drilling hole, install by screw. It's easy to fix them up.

    卡钳膝动开关无须切割桌板钻孔装订螺丝安装容易、简便。

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  • The utility model has the advantages of high drilling collimation rate, low waster rate, long service life and is not easy to be damaged.

    实用新型具有钻孔直率、废品率、不易损坏、使用寿命长的优点

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  • Applicationg:Used where hole-drilling is not allowed. easy and time-saving.

    用途省时简便、供面板可以钻孔使用

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  • Applicationg:Used where hole-drilling is not allowed. easy and time-saving.

    用途省时简便、供面板可以钻孔使用

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