This is a new EOR technology which can improve swept factor and oil displacement efficiency.
是既有提高波及系数，也有提高洗油效率的一种新的提高原油采收率技术。
Cyclic water injection development can expand sweep radius and enhance displacement efficiency.
通过多周期的注水吞吐开发，逐渐扩大水驱波及半径，提高驱替效率。
When the wettability is neutrally and slightly water wet, the displacement efficiency is maximal.
润湿性为中性或弱水湿时，微观驱替效率达到最大。
The displacement efficiency kept stable, when increasing the injecting speeds of xanthan solutions.
增加注入速度时，黄原胶溶液的驱油效率提高值不变。
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。
Gas injection into fractured reservoirs can maintain the formation pressure and improve the displacement efficiency.
注气可以维持裂缝性储层的地层压力。
The technical measures to increase displacement efficiency are given and discussed for the Wells with weak formations.
给出并讨论了低压易漏井提高注水泥顶替效率的工艺技术措施。
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 study results show that the displacement efficiency and sweep efficiency play different roles in the different layers.
研究结果表明，对于非均质性严重的油藏，不同层段的波及效率和驱替效率所起的作用不同。
Cost of water injection is reduced and oil displacement efficiency is improved by converting water drive to expansion drive.
将水驱转换为弹性驱，降低了注水成本，提高了驱油效率。
The displacement efficiency of xanthan gum solution was low, when its concentration was lower than the overlap concentration.
在浓度低于缠结浓度时，黄原胶溶液的驱油效率很低。
The oil recovery under water drive is an important factor for the evaluation of water displacement efficiency of a reservoir.
油藏水驱开发潜力是分析评价油藏开发开采水平的重要参数。
In the evaluation of displacement efficiency of water flooding and watered out degree, oil saturation of reservoirs must be studied.
油田注水驱油效果以及水淹程度评价中，都需要研究储层含油饱和度的变化状况。
All the laboratory experiment results show oil displacement efficiency inorganic gel oil displacement agent is high and its price is low.
室内试验结果表明它具有良好的驱油效果，而且成本低廉。
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%，精度满足生产要求。
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。
It also discusses the gelling mechanism, oil displacement mechanisms and the factors influencing the oil displacement efficiency by clay gel.
讨论了粘土胶驱油体系的成胶机理、驱油机理和对粘土胶驱油的影响因素。
Mechanism of low interfacial tension system increasing oil displacement efficiency is analyzed based on microscopic oil displacement experiments.
通过微观驱油实验结果分析低界面张力体系能够提高驱油效率的机理。
But because polymer could not decrease surface tension, it theoretically could not decrease oil film loss or improve oil displacement efficiency.
但是，由于聚合物并不能降低表面张力，因此，从道理上讲也不能减少油膜损失或者说提高驱油效率。
In the process of displacement of oil by polymer solution, the viscosity and viscoelasticity of polymer solution are vital to displacement efficiency.
在聚合物驱油过程中，聚合物溶液的粘度和粘弹性对提高驱油效率起到了至关重要的作用。
The oil displacement efficiency of the ASP combinational flooding solution of varying alkaline concentration used at Daqing is studied experimentally.
实验研究了大庆油田所用ASP三元复合驱替液的驱油效率与碱浓度之间的关系。
The results show that the sweep efficiency and displacement efficiency work different effects on different layers in the severely heterogeneous reservoir.
通过研究表明对于非均质严重的油藏，不同层段的波及效率和驱替效率所起的作用不同。
The stimulating displacement experiments show that, based on water flooding efficiency 58.65%, the oil displacement efficiency can increase 15.75% (OOIP).
模拟驱油实验表明，在水驱原油效率58.65%的基础上可再提高驱油效率15.75% (OOIP)。
How to control water cut, extend swept volume of water injection and enhance oil displacement efficiency is a problem in dire need of settle at this time.
如何有效地控制含水，扩大注水波及体积，提高驱油效率是当前所要急需解决的问题。
Therefore, we can make sure that polymer flooding can obviously improve a sweeping efficiency, but do not think it can improve oil displacement efficiency.
因此，确切地说聚合物驱可以提高波及效率，但不能认为聚合物驱可以提高驱油效率。
Decreasing interfacial tension or enhancing the viscoelasticity or displacement velocity is favorable to increasing the displacement efficiency of oil film.
降低界面张力、增强驱油剂的黏弹性、增加驱替速度，有利于提高驱替残余油膜的驱替效率。
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。
Displacement pressure only can improve the displacement efficiency to some extent. Inject multiple from 1pv to 2pv impact on displacement efficiency greater.
驱替压力只能在一定程度上提高驱油效率，注入倍数在1 ~2pv时对驱油效率的影响较大。
In multilayer heterogeneous reservoir, the interlayer difference would lead to nonuniformity of injection profile and influence water displacement efficiency.
对于多油层非均质油藏，层间差异会导致吸水剖面不均匀，影响水驱效率。
In multilayer heterogeneous reservoir, the interlayer difference would lead to nonuniformity of injection profile and influence water displacement efficiency.
对于多油层非均质油藏，层间差异会导致吸水剖面不均匀，影响水驱效率。
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