1) 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。
2) 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。
3) 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
4) displacement efficiency
驱替效率
1.
Effects of oil displacement efficiency and conformance efficiency of chemical flooding in heterogeneous reservoirs;
非均质油藏化学驱波及效率和驱替效率的作用
2.
A new calculation method of water displacement efficiency for layered reservoir;
多层油藏水驱驱替效率计算新方法
3.
A new method for calculating non-piston displacement efficiency in multilayered reservoir with waterflooding
多层油藏非活塞式水驱驱替效率研究
5) sweep efficiency
驱替效率
1.
Influence factors of oil displacement efficiency and sweep efficiency in chemical flooding;
化学驱波及效率和驱替效率的影响因素研究
6) efficiency trade-off
效率替代
补充资料：顶替
顶替
【顶替】谓将承租基地全部或一部分索取代价(俗称顶费或权利金)，让与他人，由其顶代承租人的名义而使用。
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