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1·Aim To explore the decline rule and recovery efficiency of Yanchang Oilfield.

目的对延长油田递减规律和采收率进行深入研究。

2·The homogeneity of the pore structures has rather effects on oil recovery efficiency.

同时，详细分析了不同孔隙结构的驱油机理以及对驱油效率的影响。

3·Recovery efficiency is forecasted only 27%, 23% lower than the ideal plan of numerical simulation.

预测采收率仅为27%左右，较数值模拟理想方案低23%。

4·The effect of profile control time on oil recovery efficiency is studied by tubular and planar models.

采用长管模型驱油试验和平板模型驱油试验研究了调剖时机对原油采收率的影响。

5·Simulation results show that the algorithm has sound concurrency management ability and recovery efficiency.

实验结果表明该算法对长事务具有较好的并发处理效果和恢复效率。

6·Finally, by the use of fuzzy comprehensive evaluation method, we determined the water drive recovery efficiency 24.

采用模糊综合评判方法，最终确定鄯善油田目前水驱采收率为24。

7·The improved mobility ratio and the adjusted cut plane by the emulsion enhanced the heavy crude recovery efficiency.

乳状液的形成改善了流度比，调整了注采剖面，提高了稠油采收率。

8·The results of experiments show that recovery efficiency of condensate oil in PVT cells is lower than that in cores.

研究结果表明，PVT筒比岩心中衰竭实验凝析油采收率低得多。

9·Recovery efficiency of oil reservoir is not high for thin oil-water two-phrase region and low movable oil saturation.

油水两相区区域较窄，油藏可动油饱和度较低，油藏采收率不高；

10·The recovered sulfur generally had purities higher than 96.5%, and the sulfur recovery efficiency were higher than 90%.

试验结果表明，回收的硫磺纯度在96．5％以上．硫的回收率在90％以上。

采收率

1·It makes the detailed description and modeling of reservoir hydrocarbons come true and it plays an important role in improving reservoir management and petroleum recovery efficiency and output.

它实现了油气储层的精细描述和建模，为改善油藏管理，提高油气采收率和油气产量做出了重要贡献。

2·On the basis of seepage flow mechanics, the impact of displacement rate on enhance oil recovery efficiency in different types of reservoir was investigated.

从渗流力学的基本规律出发，对几种不同类型储层驱替速度对提高油气采收率的影响进行了理论探讨。

3·Oil recovery efficiency can be raised by injecting a lignosulfonate solution into the oil-bearing reservoir, for lignosulfonate is a kind of anionic surfactant.

同时，亦可利用木质素磺酸盐的表面活性剂性质，将其注入地层，可提高原油采收率。

4·The effect of profile control time on oil recovery efficiency is studied by tubular and planar models.

采用长管模型驱油试验和平板模型驱油试验研究了调剖时机对原油采收率的影响。

5·This paper introduced the technological measures and tests of increasing recovery efficiency with direct electric field conducted in two oil fields of Russia.

介绍了俄罗斯两油田用直流电场提高原油采收率的技术措施和试验情况。