该问题直接涉及井下安全和钻井效率，必须予以高度重视。
Such problems must be highlighted because they are directly related to downhole safety and drilling efficiency.
实际测试表明，在给井下安全作业带来了可靠保证的同时，节电效果明显。
The practical testing indicates that the system has an evident electricity-saving effect while ensuring a safe underground operation.
改造后的液压支架性能良好，效果显著，为井下安全生产起到了积极的作用。
The hydraulic support, which performs well after the transformation, plays an active role in the safety in underground production.
本文介绍井下安全控制系统的结构设计，工作原理，特点，现场试验和应用情况。
The structure design, working principle, features, field test and application of the downhole safety control system are introduced in this article.
为了克服剪钉式和反扣式两种安全接头的不足，研制出一种滑套式井下安全接头。
To overcome the shortcomings of the shear pin type joint and left-hand thread type joint, a sliding sleeve subsurface safety joint is developed.
开展油田钻柱失效分析与预防对提高钻井速度、降低钻井成本及井下安全钻进具有重要意义。
It is very important for improving drilling rate, reducing drilling cost and safety drilling to carry out drill stem failure analysis and prevention.
为保证井下安全，气体钻井常常不使用或少使用稳定器，此时钻具组合更易发生弯曲而引起井斜。
Stabilizer is not used or used seldom in gas drilling to ensure the downhole safety. At this time, bottom-hole assembly bends easily resulted in well deviation.
总结分析了曲104块大斜度井直井段、造斜段、稳斜段井眼轨迹控制技术要点以及井下安全钻井措施。
Hole trajectory control techniques and safety drilling measures of high Angle deviated Wells in this block were analyzed and summed.
R FID在井下安全管理中的应用，主要是以煤矿计算机管理系统的子系统——井下管理系统为应用对象。
The main application target of RFID in the mine management is the underground management system - a subsystem of coal mine computer management system.
结合裴沟煤矿井下安全生产实际，介绍了自动滑移装置的设计以及在综采工作面端头支护中的应用，取得了良好的安全、经济、技术和社会效益。
The design and installation of an automatic sliding fully mechanized face end support in the application of a good security, the economy, technology and social benefits.
山西负责安全生产的官员13日说，12日深夜发生在长治市的煤矿透水事故已经造成井下13人被困。
A coal mine flood that took place at 11:40 pm Saturday in Changzhi in Shanxi has trapped 13 people, the local work safety authority confirmed Sunday.
4日5时许，黑龙江省鸡西市兴农镇一煤矿发生透水事故，当时共22名矿工在井下作业，经救援已有6人安全升井。
16 workers were trapped in a flooded coal mine Saturday in Heilongjiang. The accident occurred at around 5 am when 22 miners were working in Xingnong Town, Jixi.
安装一个电导体或水力导管将进一步地提高挠性管柱的性能，并使相对复杂的采油井下工艺措施技术能安全地被使用。
Installing an electrical conductor or hydraulic conduit further enhances the capability of a coiled tubing string and enables relatively complex intervention techniques to be applied safely.
由旧式干燥炉改装成远红外加热干燥炉，用于井下机械维修，既提高了维修效率，又节约了电能，而且安全可靠。
Old drying stove is re-equiped into far infrared heating drying stove for underground machinery repaired. It can lift repair efficiency, save power and safety and reliable.
如果卡紧管柱的卡瓦或吊卡失去了其抓力，则安全卡瓦可防止工具管柱意外地掉落井下。
The safety clamp prevents the tool string from being dropped downhole accidentally if the slips or elevators securing the string lose their grip.
依据《煤矿安全规程》并结合井下监测监控的实际需求，本文设计实现了一种基于AT91SAM 7x256微控制器的煤矿智能分站控制系统。
According to the coal mine safety regulations and the practical requirement of mine surveillance, a control system of the mine intelligent substation based on AT91SAM7X256 is designed.
适用人员：管理干部、安全检察人员、通风管理人员、机电维修人员及井下流动作业人员。
The application of personnel: managers, security prosecutors, ventilation management, mechanical and electrical maintenance personnel and the underground movement of workers.
对于受水害威胁的矿井，防水闸墙是井下防水的主要安全设施。
The water proof gate is the main safety facility against underground water to the coal mine threatened by water disaster.
井下爆炸材料库是矿井安全生产的重要保障设施之一。
The underground blasting supplies magazine is one of the important facilities, to ensure the safety production of underground mine.
矿井变电所作为井下各分采场的电力枢纽，是安全生产监管的主要对象之一。
As the hinge of electric power, the mine substation is one of the main objects that the safe production takes charge of.
井下钻具的工作安全性是安全钻井施工的重要技术指标。
Drilling tool's working security is one of the important technical target of safety drilling.
地下开采矿山高溜井卸矿过程中的漏风及粉尘污染威胁矿山井下的安全生产。
Air leak and dust pollution in ore drawing through long pass in underground mine threaten the underground prodution safety.
运行结果表明：矿井水经该工艺处理后，可以满足井下综采设备用水的水质要求，达到其正常、高效、安全生产的目的。
The result shows that the treated water is satisfactory with the water utilization requirement of fully mechanized coal mining equipment, ensures it's normal, high efficiency and safety production.
井下煤层自燃严重危害着安全生产。
The spontaneous combustion of coal seam endangers the safe production.
金属矿山井下排水排泥系统是重要的安全生产设施。
Drainage and mud system on underground are important safety production facilities in metal mine.
提出了难燃液偶合器在井下防爆作业安全运行的技术措施。
Technical measures are proposed for safe operation of fireproof fluid hydraulic coupling in explosive pit environment.
煤矿井下煤尘含量高，对工人的身体健康和安全生产构成的危害大。
The content of coal dust is high below the coal mine, and it is great harmful to the health of worker body and security of production.
煤矿井下瓦斯和煤尘的浓度控制是通过煤矿井下通风量的优化分配实现的，是实现煤矿安全生产的关键环节。
The density control of gas and coal dust is done through optimal allotment of the ventilation quantity in the coal mine well.
煤矿井下瓦斯和煤尘的浓度控制是通过煤矿井下通风量的优化分配实现的，是实现煤矿安全生产的关键环节。
The density control of gas and coal dust is done through optimal allotment of the ventilation quantity in the coal mine well.
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