We can learn from above that the study of material balance method during gas injection flooding is very important.
因此，研究注气开采过程中的物质平衡方程序具有十分重要的意义。
Gas injection flooding as an important method of EOR has been researched and applied on a large scale in both laboratory and field.
注气驱油作为提高采收率的一种重要方法，国内外已在实验室和现场进行了相当规模的研究和应用。
The general material balance equation was applied widely in the field, but few studies about material balance equation of gas injection flooding has been conducted.
常规物质平衡方程在油田已广泛应用，然而对油田注气物质平衡方程的研究较少。
The technology of crude oil fingerprint is first applied to the study of oilfield development by miscible gas injection flooding taking Pubei oilfield in Tuha basin as an example.
以吐哈盆地葡北油田为例，首次将原油指纹技术应用到注气混相驱油田开发研究领域。
After water flooding oil field is put into full operation, water injection becomes the basis and guarantee of oil production.
水驱油田进入全面注水开发后，处理好注水问题是原油生产的基础与保障。
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。
With further water flooding, pollutions of water flooding well continuously push and cumulate in depth of the formation, which leads to the injection capability decreasing.
随着注水开发的不断深入，注水井的污染不断向地层深部推进并在深部累积，致使注水能力下降。
Anew forecasting method of wellhead injection pressure for polymer flooding is established based on Dupuit formula.
依据裘比公式建立了一种新的聚合物驱油井口注入压力预测方法。
Numerical simulation is used to optimize the injection pattern of polymer enhanced foam flooding.
应用数值模拟，优化了聚合物强化泡沫驱的注入方式；
This result shows that low concentration crosslinking polymer flooding can realize continuous injection with big slug and has a good potential of application.
试验证明低浓度交联聚合物驱能够实现大段塞连续注入，具有良好的应用前景。
Now, there arent uniform screening indexes and method about screening out CO2 injection miscible flooding reservoirs.
目前，在注CO2混相驱油藏的筛选上，缺乏统一的筛选指标和筛选方法。
The main aim of optimizing control is maximizing the total energy consumption of the water flooding system under the condition of meeting the demand of injection allocation.
节能优化控制的主要目标是：在满足配注条件的情况下，使注水系统总的能耗函数最小。
Major factors which influence the steam injection profile are steam overlaying and high-permeability zones during steam flooding and cyclic steam injection.
在蒸汽驱和蒸汽吞吐过程中，影响蒸汽注入剖面的主要因素是蒸汽超复现象和高渗透层。
Meanwhile, it discusses the pattern cycle water injection rate and effect of cyclic water flooding in the pilot in western area of Fuyu Oil Field.
同时，结合扶余油田西区矿场实例对周期注水的注水方式、周期、注水量及效果进行了探讨。对裂缝性砂岩油藏实施周期注水具有重要的借鉴意义。
The results of field tests and economic data of two important techniques, cyclic steam injection with addition of TFSA (thin film spreading agents) and foam steam flooding, are described in detail.
对其中最主要的两项技术——蒸汽吞吐同时添加薄膜扩散齐和泡沫蒸汽驱的现场试验结果与经济效益进行了较详细的叙述。
The role of retention will not only block flooding channel, resulting in displacement efficiency declined, but also cause formation plugging, leading to injection pressure increased.
滞留作用不仅阻断了驱油通道，导致洗油效率下降，而且还会引起地层堵塞，使注入压力升高。
During core flooding test, the influence of the injected medium on core permeability causes injection pressure to fluctuate.
在岩心流动试验过程中，注入介质对岩心渗透率的影响必然会引起注入压力出现一定幅度的起伏。
So the mechanism study of surfactant flooding in lowering injection pressure and improving oil recovery is significant to the development of low permeability reservoirs.
因此，研究低渗油藏表面活性剂驱降压增注及提高采收率机理及方法，对有效开发低渗油藏、缓解开发中存在的突出问题具有重要的意义。
Steam injection parameters design is very important, which extremely affects success of steam flooding.
蒸汽驱的注入参数对蒸汽驱驱油效果影响非常大。
Gas injection velocity has strong effected on oil recovery for non-miscible flooding.
注气速度对非混相驱的采收率有很大的影响。
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。
A model for optimizing the steam injection process in thermal recovery wellbore is developed and solved with enumeration method under two kinds of conditions, namely steam soak and steam flooding.
建立了稠油热采中井筒注汽优化模型，并用穷举法进行了求解。对蒸汽吞吐和蒸汽驱井筒注汽两种情况进行了实例计算和分析。
According to the injection and production characteristic of ASP flooding and numerical simulation, this paper analyzes the proper well arrangement pattern of ASP flooding in Daqing Oil Field.
依据三元复合驱矿场试验的注入、产出动态特征及数值模拟计算，分析了大庆油田三元复合驱适合的布井方式。
Surfactant flooding can reduce injection pressure increase quantity, and can improve the efficiency of flooding, can effectively solve the problems existing in the water.
表面活性剂驱可以降低注入压力增加注入量，又可以提高驱油效率，能够有效的解决注水中存在的问题。
Longer injection time brings higher water intake and more response of water flooding in well group.
注水时间越长，注水强度越高，井组注水见效的反应越明显。
This paper uses reservoir numerical simulation method to study the effect of injection rate on the displacement efficiency of polymer flooding and analyzes the reason of the effect.
运用油藏数值模拟方法研究了注入速度对聚合物驱油效果的影响 ，并对注入速度影响聚合物驱效果的原因进行了分析。
Cycle polymer flooding method can reduce injection pressure.
周期注聚方式可以降低注入压力。
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。
The American field and the experimental materials indicate that it can enhance the EOR above 6% by adopting the air injection technology after water flooding.
美国现场和实验资料表明，注水后采取注空气采油可提高油藏采收率6%以上。
The American field and the experimental materials indicate that it can enhance the EOR above 6% by adopting the air injection technology after water flooding.
美国现场和实验资料表明，注水后采取注空气采油可提高油藏采收率6%以上。
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