This pa- per investigates the effect of production and injection ratio on steam flooding performance, by means of numerical simulation.
本文运用数值模拟技术，研究了采注比对蒸汽驱开采效果的影响。
Through numerical modelling, this paper studies the process parameters of steam drive such as steam injection rate, production injection ratio, and steam quality.
利用数值模拟方法对蒸汽驱中注汽速度、采注比和蒸汽干度等工艺参数进行了研究。
Different flooding pattern and different injection production ratio are used for different reservoirs to maintain the reservoir at a reasonable level.
根据不同的油藏类型采用不同的注水方式以及不同的注采比，确保油层在某一压力下生产。
The initial estimation method of PU injecting dosage and application of different ratio of insufficient injection dosage in household refrigerator was introduced.
介绍了家用电冰箱注料量的初始估算方法和不同比例注料技术在家用电冰箱发泡上的应用。
The statistics of 36 oilfield steam drive pilot test results show that the oil-steam ratio depends on not only the reservoir parameters, but also the steam injection rate.
国外36个蒸汽驱现场试验结果统计规律表明，蒸汽驱油汽比不仅与地质参数有关，而且与注汽速度密切相关。
Under the production condition of steam injection, the energy ratio can reach 7.0.
在注入蒸汽开采初始条件下，能量效率可以达到7.0。
The ratio of producers'productivity to injectors'injectivity for areal well pattern can greatly affect the choice of reasonable injection mode.
面积注水井网生产井的产出能力与注水井的注入能力之比，对合理注水方式的选择有着重要的影响。
The results of the calculation and the analysis of effects of combustion chamber pressure, mixture ratio, propellant injection temperature and injector type on the combustion processes are reported.
文中报告了特种发动机燃烧室压力、混合比、推进剂喷注温度和喷注器结构对燃烧过程影响的计算及分析结果。
Then the influence on flame structure of supersonic combustion of ratio of length and deep of cavity, obliquity of back edge of cavity and different schemes of fuel injection were studied.
用这种方法研究了不同凹腔长深比、凹腔后缘倾角和不同燃料喷注方案对超声速燃烧火焰结构的影响。
Practices have proved that the upper injection pressure limit, determined with pseudopaisson's ratio method, based on passive microseismogram is suitable for oilfield development.
实践表明，以无源微地震测试结果为基础的拟泊松比法确定的注水压力上限能够较好地适应油田开发的需要。
Concurrently analyzed is that improvement of effective thermal efficiency after rise in compression ratio and water injection is resulted from thermal efficiency promotion of fuel-air ideal cycle.
同时分析了提高压缩比并掺水蒸气后有效热效率提高的主要来源是燃料—空气理想循环热效率的提高。
For hot metal desulphurization by powder injection, mixing time, residence time and powder penetration ratio are the three basic parameters which determine desulphurization efficiency in ladle.
熔池均混时间、粉剂穿透比和粉剂停留时间是决定铁水包喷粉脱硫效率的三个基本参数。
The fingerprints of Shenmai injection was established by HPLC, and the relative retention time and peak area ratio of each common peak was determined.
采用高效液相色谱法建立其指纹图谱，确定各共有峰的相对保留时间和峰面积比值。
The Rupe number and the ratio of injection orifice diameter are two key parameters affecting unlike impinging injector performance, and they are closely interrelated.
对于直流互击式喷注器，鲁泊数和孔径比是影响喷注器性能的两个关键参数，而且两者之间有一定关联。
It will provide significant guide for oilfields, especially for those having high gas-oil ratio in western China developed by abundant associated gas or gas-injection miscible phase process.
这将为西部油田特别是高气油比油田利用丰富的伴生气、采用注气混相驱开发有一定的借鉴意义。
In the ideal condition, injection to production ratio turns out to become 1 as the time of waterflood lasts.
在理想情况下注采比的变化趋势是随注水时间的延续趋近1。
Research shows that with the increased CO2 injection, dissolved gas oil ratio, volume expansion coefficient and coefficient increases, viscosity decreases, bound water volume expansion.
研究表明：随着CO2注入量增加，溶解油气比、体积系数和膨胀系数增大，粘度降低，束缚水体积膨胀。
The results show that: barium sulfate scale damage on the core permeability is affected by temperature, mixing ratio and the cumulative injection.
实验结果表明：硫酸钡结垢对岩心渗透率损害程度受温度、混配比例和累积注水量的影响。
Water injection is the widest used method for raising oil recovery ratio. Seismic monitor of water injection will bring great economic benefit to oil industries.
注水是最为普遍采用的提高采收率的方法，注水地震监测将会给石油工业带来巨大的效益。
When formation pressure decreases to around 0.85 times of saturation pressure, water should be injected with the injection-production ratio of some 1.0 to replenish energy.
并合理补充地层能量，地层压力降至0.85倍饱和压力附近时开始注水，注采比保持在1.0左右。
The results show that DME operation has longer injection delay, lower maximum cylinder pressure, lower ratio of pressure rise, shorter ignition delay in comparison with diesel operation.
结果表明：与柴油相比，发动机燃用二甲醚时的喷油延迟期延长，滞燃期缩短，最高爆发压力和最大压力升高率均低于柴油机。
It is suggested that when formation pressure is lower than dewpoint pressure, circulating gas injection with maintenance of pressure can be used to enhance the recovery ratio of condensate.
建议当地层压力低于露点压力时，采用保持压力循环注气开采，可提高凝析油的回收率。
The method is presented to determine formation average pressure and boundary pressure with threshold pressure gradient and injection-production ratio.
给出了考虑注采比和启动压力梯度的平均地层压力和边界压力的确定方法。
Moderate water injection at low injection-production ratio should be implemented with restriction of injection strength of the fractured interval and reducing the probability of fracture opening.
采用低注采比政策，实施温和注水，限制压裂层注水强度，降低裂缝开启的几率；
Intermittent steam injection can increase the specific volume, swept volume and utilization ratio of heat, and can improve formation of seepage in oil reservoir so as to improve flooding effect.
间歇注汽法可提高蒸汽比容，提高蒸汽波及体积和热利用率，改善油层渗流特征，达到改善驱油效果的目的。
Intermittent steam injection can increase the specific volume, swept volume and utilization ratio of heat, and can improve formation of seepage in oil reservoir so as to improve flooding effect.
间歇注汽法可提高蒸汽比容，提高蒸汽波及体积和热利用率，改善油层渗流特征，达到改善驱油效果的目的。
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