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。
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。
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%。
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。
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。
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。
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。
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；
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。
IPCS technology was aimed at improving the effection that water shutoff and profile control enhance recovery efficiency factor.
IPCS技术的目的就在于改善高含水期堵水调剖提高采收率的作用。
This reservoir belong to weak water blocking type and the recovery efficiency can be improved greatly with water drainage gas production.
提出该气藏属弱水堵气藏，可用排水采气法大幅度提高采收率。
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。
Through the use of AAS, high content lead in lead concentrates is determined, it's recovery efficiency is over 98.20%, the result is good.
采用原子吸收分光光度法测定铅精矿中高含量铅，其回收率为98 2 0 %以上，结果较满意。
Gas streams with a molar concentration of sulfur dioxide from 1 to 100% May be processed to achieve nearly 100% sulfur recovery efficiency.
以二氧化硫摩尔浓度从1至100%天然气流，可处理，以达到接近100%的硫磺回收效率。
The recovery efficiency at ambient temperature, at high temperature, in different time and after multiple recovery were reviewed in detail.
重点研究了室温、高温、不同修补时间及多次修补后的修补效率。
The utility model has the advantages of novel structure, convenient operation, safe use, and high separating quality and recovery efficiency.
整机结构新颖，操作方便，使用安全，提净质量和回收效率都较高。
This paper offered the essential parameters for determining reasonable productivity and ultimate recovery efficiency of gas condensate field.
为凝析气田合理产能、最终采收率的确定提供必要的参数。
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。
An important work of field development is to analyze the influence factors of recovery efficiency and the potential of improving recovery factor.
分析采收率的影响因素和提高采收率的潜力，是油田开发分析的重要工作。
There are many ways to calculate the recovery efficiency of gas reservoir. There are 8 ways most widely used in predicting recovery in the world.
目前，国内外广泛用于预测气藏采收率的方法主要有物质平衡法、 产量递减法、数值模拟法、经验取值法等8种方法。
The reason why the recovery efficiency of cleaning is low is that the classification effect of cyclone is not good and the technical equipment is backward.
精选回收率低的主要原因是旋流器分级效果差及工艺设备落后。强调铜钼分离作业是精选工艺降铜排泥的关键环节。
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。
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。
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。
It is worthy of paying attention that the PE device has higher energy recovery efficiency, up to 94%. It is a recommendable device in seawater desalination field.
值得关注的是，压力转换器，回收效率可达94 % ，在海水淡化系统中对于降低能耗有更重要的意义。
In the late production period of gas well, complex drainage gas recovery technology is the important measure for raising the recovery efficiency of gas reservoir.
分析并提出气井各生产阶段的工艺技术措施与对策，气井生产后期应用复合型排水采气技术是提高气藏采收率的重要措施。
Abstract: Casing failure occurs frequently during the hydraulic fracturing process of shale gas formation, which seriously influences the shale gas recovery efficiency.
摘要：在页岩气开采的水力压裂过程中，套损时有发生，严重影响页岩气开采效率。
Producing condition of poor reservoir is bad, which makes waterflood efficiency, conformance factor and final recovery efficiency low, and the development effect is bad.
差油层动用状况较差，导致油田水驱效率和波及系数较低，最终采收率低，开发效果差。
Based on analyzing major factors of recovery efficiency, a new method of recovery calibration on newly - found proved reserves are given using multiple regression analysis.
在分析影响采收率主要因素的基础上，应用多元回归分析方法，得出了新增探明储量标定采收率的新方法。
Based on analyzing major factors of recovery efficiency, a new method of recovery calibration on newly - found proved reserves are given using multiple regression analysis.
在分析影响采收率主要因素的基础上，应用多元回归分析方法，得出了新增探明储量标定采收率的新方法。
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