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Counter-measure analysis of oil water displacement efficiency in stratified sandstone oil reservoir 层状砂岩油藏提高水驱油效率的对策分析
water displacement efficiency 水驱油效率
The actual volume of RV casts was determined by water displacement method. 右室铸型的实际容积由铸型排除水的体积计算 ;
Superfine cement plugging technology is an effective way to plug thief zone, to reduce water production and/or invalid water injection, and to improve oil displacement efficiency of injected water. 超细水泥封堵技术是封堵油水井高渗透层段,减少产水量或无效注水,提高注入水驱油效率的有效措施之一。
Surfactants can improve the water displacing oil efficiency by about 10%. 表面活性剂能够提高此类储层的微观水驱油效率10%25左右。
Rotating casing is helpful to improve effectively mud displacement efficiency and thus improve cementing quality. 旋转套管可以有效提高水泥浆顶替效率,从而提高固井质量。
Our physics teacher was struggling to draw the class into a discussion of Archimedes principle of water displacement. 我们的物理老师竭力引导全班同学就阿基米德的浮力原理展开讨论。
The relative average error between predicted oil displacement efficiency and actual value is 8.7%, the accuracy meets demand of production. 驱油效率实际值与预测值平均相对误差8.;7%25，精度满足生产要求。
Multislice Simpson′s method was used to calculate LV and RV volumes and true cast volume was determined by water displacement. 采用标准Simpson法计算左、右心室铸型的容积。心室铸型的实际容积通过铸型排除水的容量来计算。
A compounded system mainly composed of petroleum sulfonate was developed and then an oil displacement efficiency experiment was carried out. 通过大量的室内实验,研制出以石油磺酸盐为主剂的复配体系,并开展了驱油效率实验。
Moreover slag MTC technique is also possessed of the advantages as raising displacement efficiency and cement job quality,etc. 此外矿渣MTC技术还具有提高顶替效率及固井质量等优点 .
The lateral line, a stripe extending down the sides of many fish and amphibians from gills to tail, detects water displacement. 许多种鱼与两栖动物体的两侧，从鳃至尾都有侧线来侦测水的流动。
Sudden water displacement created a wave that shot seaward from the land, and that was certainly a factor in what followed. 突如其来的的水量造成波浪，由陆地冲向海里，无疑带来后续影响。
Adopting helical flow displacement theory can overcome the disadvantage and greatly improve the displacement efficiency. 使用螺旋流顶替理论能克服这一缺点,大大改善顶替效率。
The best way to calculate the volume is by inflating the balloon and using Archimedes' principle of water displacement, which we covered last month. 计算空气体积最好的方法就是使气球充气后，再用我们上个月介绍过的阿基米德定律之水置换法计算。
It possesses excellent water displacement property, and deposits a thin, soft and self-sealing oily film on metal surface. 该产品具备优良的水置换性能，并且在工件表面形成一层油性、自封闭的薄层防锈膜。
The turbulator can be used to improve the centralization of the casing strings, to allow the fluid to form spiral flow, as well as to improve the displacement efficiency. 使用旋流扶正器既可提高套管的居中度,又可对流体进行导流而形成螺旋流,还可以提高环空水泥浆对泥浆的顶替效率。
This paper studies the factors including injection pattern, injection procedure and slug size which influence the displacement efficiency of loam flooding. 针对影响泡沫复合驱驱油效率的注入方式、注入程序及段塞大小等重要因素进行了一系列的研究。
The mechanism and the extent of action of polymer solution's depleted layer effect and viscoelastic effect on displacement efficiency and sweep coefficient . 通过聚合物溶液在不同模型中的驱油实验，研究了聚合物溶液的衰竭层效应和粘弹性效应对驱油效率和波及系数的作用机理和作用程度。
This article presents a antirust emulsified oil based on an investigation on emulsifier and inhibitor.The antirust emulsified oil has good water displacement ability and antirust. 通过筛选乳化剂、缓蚀剂,获得一种水膜置换性好、防锈性好的防锈乳化油。