查询词典 downhole

Because of the limitation of downhole work condition, some things must be considered, such as volume, temperature, pressure, power consumption and so on.

由于井下工作条件的限制，必须考虑体积、温度、压力、功耗等方面的影响。

Experimental results and theoretical analysis shows that it isentirely possible to ultrasonic achieve a short distance transmission in downhole.

实验结果与理论分析一致表明利用超声波作为信号载体，并借助泥浆介质在井下实现短距离传输是完全可能的。

The temperature of the downhole multi-phase flow is the basis for the study of multi-phase flow pressure and other parameters.

油井井筒多相流的温度是研究多相流压力和其他参数的基础，同时也是油井生产管理中的一个重要参数。

A variety of expansion tools can be used to expand the screen or screens downhole.

能使用各种膨胀工具，以使防沙罩在井下膨胀。

Performance of the injectors is being monitored by downhole pressure and temperature gauges.

注水井的性能由井下压力和温度计监控。

Effects of the downhole temperature on axial vibration natural frequency of drill string in deep wells is investigated.

分析了井下温度对钻柱轴向振动固有频率的影响，推导出了井下任意温度时钻柱轴向振动固有频率的计算公式。

The signal is transmitted from downhole to ground based on the variety of frequency.

用频分多路的高速传输体制，将井下信号传输到地面。

It is the streamlined metheod used in downhole monitoring of the world.

目前已成为世界潜油电泵应用中最新型的潜油电泵井下各参数测量方法。

Therfore,it is necessary to carry on basic research concerning water-gas downhole choke, to form systematic theory and technology.

因此有必要以实验为基础开展有水气井井下节流应用基础研究，形成系统的理论和方法。

Beijing Liuhe is a leading manufactory in china specialized in researching, manufacturing and marketing downhole survey instruments.

北京六合伟业科技发展有限公司是一家从事油田测量仪器的研发，生产，销售的专业化公司。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。