采收率

The"carbon capture and sequestrate "technique conduces to decreasing that greenhouse gas emission and control world to be change into genial,Yet the deep straturm of the world sequestrate capacity of CO2 to the original commentary,Every state nation in world sequestrate CO2 and lifts oil field recovery ratio present situation and development tendency,Along with Chinese CO2 drives oil foregroun

"碳捕捉与封存"技术有助于减少温室气体排放和控制全球变暖，评述了世界可深层封存CO2的潜力，世界各国封存CO2提高油田采收率的现状和发展趋势，以及中国CO2驱油的前景。

It is significant to enhancing the oil recovery that study on synthesizing of the petroleum sulfonate.

因此，合成一种高效、廉价的驱油用石油磺酸盐对于提高油田采收率具有重要意义。

We add water-soluble polymer to the injecting water and enhance the viscosity of solution, so we can reduce the gap of viscosity between raw oil and injecting water and enhance the fluidity rate and the sweep efficiency.

聚合物驱油主要是在注入水中加入一定浓度的水溶性高分子聚合物以增加溶液的粘度，减小油水粘度差，改善流度比，扩大波及系数，以提高原油采收率。

In the oil-gas fields with high exploitation degree, time-lapse seismic technology can be used to predict the exploitation of oil reservoir and the distribution of remaining oil, and to enhance the oil recovery.

在开发程度较高的油气田，可以利用时移地震技术对油藏的开采和剩余油分布情况进行预测，提高油田的采收率。

The recovery and displacement efficiency of the matrix block dominated by capillary force is compared with that domonated by the couple of capillary and viscous force, and by viscous force.

在驱动压力和毛管压力的不同平衡(驱动压力和毛管压力的相对大小)关系下的水驱油采收率和水驱油效率的变化规律

The effect of field application is favorable, it's predicted that the ultimate waterflood recovery efficiency may enhance by 8.9%.

现场实施后，取得良好的开发效果，预计水驱采收率可以提高8.9个百分点。

The blocking agent has features of controlling crosslinking time, post-gelling high intensity and high blocking rate for artificial core, so it can be used for water injection well profile modification to enhance sweep efficiency and oil recovery.

该堵剂具有交联时间可控、成胶后强度高、不易破胶及对人造岩心封堵率大的特点，用于注水井调剖时，能达到扩大注入水的波及体积和提高水驱采收率的目的。

Some properties of anionic Gemini surfactants were studied in this paper to obtain a good one to efficiently enhance oil recovery.

本文对合成的Gemini阴离子表面活性剂进行各种基本物化性能和应用性能的研究，希望可以从中筛选出性能较好的用于油田驱油提高原油的采收率。

Heavy oil; autogenetic; foam system; viscosity reduction;physical simulation experiment; displacement mechanism;enhanced oil recovery

稠油；自生泡沫体系；降粘；物理模拟实验；驱油机理；提高采收率

Gas condensate fields are kinds of exceptive and complicated gas field; they assume key economic value because they both produce natural gas and condensate oil; the appearance of retrograde condensation because of the declining of the formation pressure during the development of those fields can make the development of this fields difficult , and because of it ,it is difficulty to improve the percent recovery of condensate oil.

凝析气田是一类极为特殊而复杂的气田；一方面由于能同时采出天然气和凝析油而具有重要的经济价值；另一方面，在开发过程中由于地层压力的降低会出现反凝析的现象，从而影响气藏的最终采收率。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。