1) Displacement Efficiency of Cementing
注水泥顶替效率
1.
The Rotating Casing Flow Field in Eccentric Annuli and Its Effecting on Displacement Efficiency of Cementing;
偏心环空旋转套管流场及对注水泥顶替效率的影响
2) displacement efficiency
顶替效率
1.
By employing techniques of cementing plug and semi-saturated salt-water-base slurry and improving displacement efficiency, preceding cementing problems are solved and cementing for no-bo.
分析了西气东输地下储气库盐穴及盐层固井存在盐穴无井底、盐层固井、井底温度较高、井眼尺寸大、水泥石长期胶结性能要求高等固井技术难点,采用打水泥塞建立人工井底、半饱和盐水水泥浆体系、提高大井眼顶替效率等技术措施,解决了采卤井老井改造固井技术难题,实现了无井底盐穴固井,通过改进欠饱和盐水水泥浆性能,提高了新腔钻井的盐膏层固井质量。
2.
This paper analyzes the principle improving mud displacement efficiency by rotating liner, presents the mechanism of liner hangers and advantages of this cementing technique, and proposes the required conditions and precautions for this technique.
分析了旋转尾管固井工艺提高顶替效率的原理,介绍了尾管悬挂器的工作原理和旋转尾管固井的优点,提出了旋转尾管固井所需条件和注意事项。
3.
At present, 5 1/2" casing withdrawal and replacement operation often leads to a large hole diameter and 90mm of clearance between wall and casing, which brings about a lower displacement efficiency and an uncertain cementing quality.
5(1/2)套管取换套作业造成的井径较大,井壁与套管间的间隙在90mm左右,导致因井顶替效率低,固井质量无法保证。
3) Displacement rate
顶替效率
1.
Through laboratory testing,the results show if rheology of cement slurry is good,displacement rate is also good.
通过理想环空的假设 ,得出流变性好的浆体 ,顶替效率好。
4) cement efficiency
水泥效率
5) displacement method of plugging
驱替法注水泥塞
6) water-supplying efficiency
注水效率
补充资料：配置效率和生产效率
在经济学上，经济发展的动力，或者说效率的来源，分为两类：一类是配置效率，二是生产效率。所谓配置效率，是指给定资源和技术的条件下，怎么样使资源从边际生产率低的地方流向边际生产率高的地方，从而使得资源和利用更合理、社会总价值达到最大;而生产效率是指如何通过技术进步提高每一种资源的生产率，也就是把社会的生产可行性边界向外移。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条