As for the problems of general low efficiency of the oil field well casing and the unreasonable configuration of the swabbing parameter and the pump setting depth, this paper has developed " rod-pumped well system optimization and design software " which takes system efficiency as objective function.
针对该油田井筒效率普遍偏低、抽汲参数及泵挂深度配置不合理的问题，本文以系统效率为目标函数，研制了机抽井系统优化设计软件。
Practice proves that this technique provide a new approach and thinking for sand control and tapping potential to improve effect in special-casing-configuration wells of the casing deformation well, the sidetrack well or the variable-casing-wall-thickness well.
实践证明该工艺为解决套变井、侧钻井、变壁厚等特殊井身结构井的防砂以及挖潜增效提供了一种新的途径和思路。
In this paper, a local simulation method is employed to investigate the heat transfer and pressure drop characteristics of several kinds configuration pin fin casing tube heat exchanger unit.
对气流纵掠不同结构参数的针肋套管换热元件的传热及阻力特性进行了试验研究，得到了该种换热元件的传热及阻力性能的实验准则关联式，进一步就不同结构参数对针肋套管热力性能的影响进行了比较分析，并为该种换热元件的工业应用提供了可靠的试验数据和设计依
The configuration and principle of anti rotary plug and necessary float collars and their applications in intermediate casing cementing are introduced.
介绍了防转胶塞及配套浮箍的结构、原理和在技术套管固井中的应用情况。
Well configuration of three target points was selected, and MMH polymer drilling fluid was used during drilling. Double-bow casing centralizer and elastic float collar were used in completion of this well, and drill pipe conveying MWD horizontal well logging technology was applied.
在钻井过程中采用了三靶点井身结构、正电胶聚合物钻井液、双弓扶正器和弹力式浮箍，应用了MWD钻杆输送水平井测井技术。
A pulley or a system of pulleys set in a casing. Research and Configuration of Tunnel Unballasted Track Bed Construction's Mechanization Equipment
滑轮，滑轮组安装在机械外壳中的滑轮或滑轮组隧道无砟轨道道床施工机械化装备研究与配置
Aerodynamic Configuration Study of Cable-Stayed Casing Based on the Purpose of Damping
基于减振目的的斜拉索套管气动外形研究