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。
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。
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。
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。
Factors influencing oil recovery efficiency can generally be classified into two large categories: geological features of reservoirs and development and production technologies.
影响采收率的因素大体上可以分为油藏地质特征与开发、采油技术两大类。
Proper evaluation of the position and strength of watered-out zones is the key to improve recovery efficiency of infilled heavy oil Wells.
正确评价稠油加密井水淹层位和强度是提高稠油加密井开采效果的关键。
The main characteristics of Gunan 131 fault block oil reservoir in Gudao oilfield are deep burial, low permeability, difficult water injection, low recovery percent and low recovery efficiency.
孤岛油田孤南131断块油藏的主要特征是埋藏深、渗透率低、注水困难、采出程度低、采收率低。
An experimental study was conducted about recovery efficiency on Brine flooding and Alkaline, Surfactant, Polyacrylamide flooding (ASP) in modeling Daqing Oil Field stratum.
在模拟大庆油田地层条件下，进行了水驱以及碱-表面活性剂-聚合物(asp)三元复合体系驱油效率的实验研究。
Compared to secondary recovery, it improves the sweep volume and efficiency of oil displacement by the AIDS of physical and chemical dual effect.
与二次采油相比，它借助物理和化学的双重作用，提高驱油的波及体积和效率。
The lest results have shown that I he highest recovery of coal is 99% and deash efficiency is 20% using neutral oil of liquified fuel and waste cooking oil as agglomeration oil.
试验结果表明，用煤炭液化中性油与家庭用过的废油作为添加油，油添加量为20％以上时，煤的最大回收率为99％，脱灰率约达20％。
The diverting effect of WG in pores can improve the microscopic swept efficiency and oil recovery.
弱凝胶的流体改向作用是提高微观波及效率和采收率的主要因素；
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。
Polymer flooding technology enhances oil recovery by increasing the sweep efficiency of water.
聚合物驱油技术是通过提高水的波及系数提高原油采收率。
The sweep efficiency of an oil reservoir plays a decisive role in the course of oil production and the ultimate recovery in a large heterogeneous oil reservoir with complex geological structure.
对于地质构造复杂的大型非均质油田，油层作用波及系数对采出过程和最终采收率起着决定性作用。
Rod pumping oil recovery system is applied widely, the optimal method was usually used to enhance the efficiency, but it is easy to ignore that the electromotor matches other fixtures rationally.
有杆泵往复抽油方式常采用机、杆、泵优化的方法来提高系统的整体效率，但易忽略电动机与其他设备的合理匹配。
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。
Spontaneous imbibition is of special importance to the efficiency of oil recovery from fractured reservoirs.
自吸是裂缝性油藏采油的一个特别重要的方面。
This paper researches on the fractal characteristics of sandstone pore structure and its application to recovery efficiency of water-drive-oil.
研究了大庆、胜利等油田砂岩孔隙结构的分形特征及其对水驱油采收率的影响。
The efficiency of oil recovery with water flooding process is poor in low-permeability oil reservoirs.
低渗透油藏注水开发效果差、采收率低，而采用气驱技术是动用此类难采储量的有效方法之一。
Comparing with water flooding, the viscoelasticity of polymer flooding is favorable for improving the sweep efficiency of reservoirs, but it is limited to enhance oil recovery.
与注水工艺相比，聚合物所具有的粘弹性能提高驱油效率，但其对提高采收率的贡献是有限的。
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。
The utility model relates to an electric heating device for an oil well which is constituted on an oil tube in the oil well and used for enhancing oilfield recovery efficiency.
一种在油井里油管上构成用以提高油田采收率的采油井电加热装置。
To modify the original and low time efficiency management models, the rapid reaction system was early established in 4th oil Recovery Company of North China Oilfields.
为改变原始、时效性差的生产管理模式，华北油田分公司第四采油厂率先建立了快速反应机制。
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；
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；
应用推荐