Study on Plug Steam Flooding Technique for Heavy Oil Reservoir.
稠油油藏段塞蒸汽驱技术研究。
Steam flooding is a kind of visionary exploitation method for better heavy oil recovery.
为了进一步提高稠油采收率，蒸汽驱是很有前景的开发方式。
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。
To improve crude oil recovery and increase economic recoverable reserves, we have to convert to steam flooding.
为进一步提高油藏采收率，增加经济可采储量，有必要转换。
The recovery mechanism of heavy oil steam flooding by adding urea and foaming agent is studied and applied in Henan oilfield.
对稠油注蒸汽添加尿素及泡沫剂开采技术的机理进行了研究，并在河南油田进行现场应用。
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。
During viscous crude oil steam flooding, a high pressure steam water separator is introduced to improve steam quality and then enhance recovery factor.
为在稠油热采蒸汽驱阶段提高注汽干度，进而提高稠油开采率，引进了高压汽水分离器。
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。
Through experiments, oil displacement efficiencies of hot-water flooding and steam flooding have been analyzed and compared with conventional water flooding.
通过实验分析了热水驱、蒸汽驱对驱油效率的影响，并与常规水驱进行对比。
The experimental results showed that:the range of steam flooding recovery increased 28.3% when the water flooding- polymer flooding accumulated recovery reached 54.4%;
结果表明：在水驱-聚驱累计采收率达54.4%的基础上，蒸汽驱采收率提高幅度为28.3%；
We must make physical simulation experiment to research steam flooding after water flooding in common heavy reservoir, provide parameter for project design of exploitation.
为了研究稠油油藏水驱后转蒸汽驱需要开展室内物理模拟研究，从而为开发方案的设计提供参数。
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。
By means of these expressions, formulas for calculating the axial and radial forces on the casing are derived and then the influence of steam flooding on casing strength is qualitatively analyzed.
根据这些表达式进一步推导套管轴向力和径向力的计算公式，然后根据这些公式定性地分析注蒸汽采油对套管强度的影响。
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。
This made the application of polymer flooding in steam-assisted recovery practical.
这为聚合物驱在蒸汽热采油藏中应用提供了现实条件。
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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