查询词典 downhole

Successful applications in five wells show that polyalcohol drilling fluids can decrease drilling cycle, improve penetration rate, reduce downhole problems and accidents and be helpful to find producing layer but incre...

在玉东 10 2井等 5口井的成功应用表明，聚合醇钻井液能缩短钻井周期，提高机械钻速，减少井下复杂情况与事故，有利于发现油层，值得推广应用。但目前存在钻井液成本较高的问题

Power drill tool and PDC bit are used to ensure wellbore quality and penetration rate; polysulfonate potassium drilling fluid system is used to ensure downhole safety.

应用动力钻具配合高效PDC钻头钻井技术，保证了井身质量和钻井速度；应用聚磺钾盐钻井液体系及相关安全技术措施，保证了井下安全。

Analysis of vibration of bottomhole assembly with downhole hydrodynamic propulsor［J］.

带井下液力推进器的钻具组合振动分析［J］。

The optimal design model of downhole pump depth and rod string assemblage is set up.

5建立下泵深度和抽油杆柱组合优化设计模型。

Expert system ; neural networks ; sucker rod pump ; downhole status diagnosis

专家系统；神经网络；有杆泵；井下诊断

The plug is used along with downhole eccentric water distribution device. When the pressure of produced fluid and the water-absorption ability of the reservoir change, the plug regulates automatically the size of the fluid outlet by means of the action of the slide valve and balance spring, thereby a stable flow rate can be obtained.

这种堵塞器与井下偏心配水器配套使用，当注水的来液压力或地层的吸水能力改变时，通过堵塞器内滑阀和弹簧的作用，自动调节出液口的大小，使水嘴前后压差基本保持不变，起到保持流量稳定的作用。

This paper is in view of low pressure, low production and downhole throttle characters of SuLiGe gas field, developed the research of the foam drainage technology, aim of deceling the loss of wellhole pressure and triturate a new low density foaming agent successfully, solved the welldown liquid loading issue of SuLiGe gas field.

本文针对苏里格气田低压、低产和井下节流井的特点，开展了泡沫排水采气工艺研究，以降低井筒压力损失为目的，研制成功了一种低密度起泡剂，解决了苏里格气田气井积液问题。

Based on a discussion on the efficiency of the separator, the application effects of the downhole volute separator in gas wells of the Shengli Oilfield is studied in this paper.

为此，在对分离器的分离效率进行探讨的基础上，对井下气液分离及同井回注技术在胜利油田气井的应用效果、技术优势和存在的问题进行了讨论。

This paper analyzes the necessity and introduces the structure and the work principle of Type CX-120 downhole hammer coring tool .

分析了研制 CX-1 2 0型气动潜孔锤取芯钻具的必要性；介绍了该钻具的结构、工作原理和野外应用试验情况。

The problem about how to make use of the downhole hydraulic power is researched exploringly.

对于如何利用井底水力能量的问题，目前正在进行探索性研究。

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。