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对确保钻井安全与降低钻井成本具有十分重要的意义。
It has less effect on the filter loss in increasing viscosity and shear, thus meeting the demands of fast and safe drilling relatively well. 1.
在提粘、提切的情况下，对滤失量影响较少，能较好地满足快速安全钻井的要求。
It is very important to measure the volume change of mud in mud pit for the safe drilling, the control of well blowout and the lost of circulation.
测量泥浆池中泥浆体积的变化对于安全钻井，控制井涌、井漏具有十分重要的意义。
In the process of drilling, calculation of formation temperature while drilling has significance for rapid and safe drilling and geological exploration.
在钻井过程中，随钻计算地层温度对快速、安全钻井和地质勘探具有极其重要的意义。
While under the condition of high temperature and high pressure, the safe drilling in thin safe density window is the technical difficulty that can not be solved well around the world.
随着深部油气藏的勘探和开发，深井及超深井的数量大幅度增加，而深井超深井在高温高压条件下，窄安全密度窗口内的安全钻井是当前国内外都未能很好地解决的重大技术难题。
Based on the study of ac frequency conversion power system, research is made on how to control and reduce drilling accidents in working procedure. An effective new way to safe drilling is provided.
摘要在对钻机交流变频调速动力系统的研究基础上，对该动力系统在钻探过程中如何控制和减少钻探事故的发生方面做了些探索，为安全钻探提供了一条有效的新途径。
They start drilling into the safe.
开始钻入保险箱中。
In fact, our oil production last year reached its highest level since 2003, and we want to encourage more safe, responsible drilling where we can.
实际上，我们的石油产量在去年就达到了自2003年以来的最高水平，我们也鼓励在我们可以开采的地方进行更多安全的，负责任的开采。
Drilling instrument is the major application to monitor and analyze the drilling process, making drilling more safe and rational.
钻井参数仪表是钻井工程监测钻井过程、进行科学分析和科学决策的重要工具。
Drilling tool safety is the essential condition and important safeguard for the safe and high-efficient exploration and development for oil and gas resource.
钻具的安全是安全高效地进行油气资源开发的基本条件和重要保障。
UBD with CT can reduce the formation and pay zone damage, enhance the penetration rate, improve safe operation with high efficiency and drop drilling costs.
欠平衡连续油管钻井，可减少钻井过程中对地层和产层的损害，可提高机械钻速，安全高效率钻井，降低钻井成本。
In well drilling and completion, cementing the process does not overflow occurs (at) or well leakage accidents, and realize safe, rapid and low cost of drilling.
使之在钻井、完井、固井过程中不发生溢流(井喷)或井漏事故，从而实现安全，快速，低成本钻进。
Therefore, the accurate prediction of the temperature in a well during the process of drilling and the temperature distribution and variation are very significant for safe and high-speed drilling.
因此，准确预测钻井过程中井内温度值，掌握其分布和变化规律对钻井作业安全、快速的钻进具有十分重要的意义。
Cuttings bed is formed easily in inclined section of high Angle directional well. It affects drilling speed, threatens drilling safe.
大斜度定向井斜井段易形成的岩屑床影响钻进速度、威胁钻井施工安全。
The system design is reasonable, safe and reliable, fully meet the normal tripping and emergency brake of drilling rig, the light drilling and workover machines, has a good application prospect.
该系统设计合理、安全可靠，完全满足钻机起下钻和紧急刹车，在轻型钻机和修井机上，具有很好的应用前景。
State monitoring and fault diagnosis of drilling process is the significant support for safe working of drilling system.
钻井过程状态监测与故障诊断是钻井系统安全运行过程中的重要保障。
However, with the well number increasing, the drilling tool failure is outstanding gradually, which has safe effect and extends the application of air drilling.
随着气体钻井数量的增加，钻具失效问题日益突出，已影响到气体钻井的安全和推广应用。
During drilling, it is very important to have a reliable well-controlling equipment in order to prevent welling up and blowing and to realize safe and effective exploration and development.
在钻井作业中，为了防止井涌和井喷，实现安全高效的勘探开发作业，可靠的井控设备十分重要。
The ordinary design method for drilling machine parts-safe coefficient method can not ensure the safety of the product.
常规的钻探机械零件设计方法即安全系数法并不能回答其产品的安全性问题。
The development of automatic and air driven boost device for air chamber of drilling pump will provide reliable assurance for the normal working of drilling pump and safe and high quality Dr...
空气包自动气动增压充气装置的研制为钻井泵的正常工作和安全优质钻井提供了可靠保证。
The stability of drilling chamber is an important facet to ensure the safe operation of VCR mining method.
凿岩峒室的稳定性是VCR采矿法安全的重要保障。
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有结构简单、使用方便、安全可靠、钻孔深度易于控制的优点。
Planes from the drilling rig, drill pipe to send and entrusted pipe hydraulic cylinder are used, safe and reliable.
钻机的起架、送钻杆、托钻杆均采用了液压油缸，安全可靠。
The results showed that laser drilling before vitrified cryopreservation reduces blastocoelic cavity and transplantation of frozen-thawed blastocytes is safe and effective.
说明采用激光辅助打孔的方法使囊胚皱缩，结合玻璃化冻融后行囊胚移植安全有效。
The results showed that laser drilling before vitrified cryopreservation reduces blastocoelic cavity and transplantation of frozen-thawed blastocytes is safe and effective.
说明采用激光辅助打孔的方法使囊胚皱缩，结合玻璃化冻融后行囊胚移植安全有效。
应用推荐