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。
Waterflood system efficiencies are made up with the average operation efficiency of motors, water injection pumps and pipe networks.
注水系统效率由电机平均运行效率、注水泵平均运行效率和管网运行平均效率组成。
Methods of inspectiong and calculating the efficiency of water injection system in Shengli Oilfield are introduced.
介绍了胜利油田注水系统效率统计测试计算方法。
Water injection efficiency depends on whether the injection pressure is high or low in water injection Wells.
注水井注水压力的高低直接影响水井的注水效率。
Injection realize, in the pressure cooling, the use of low temperature water to mold a cooling cuisine, so as to narrow the products of the cooling time, drive up produce efficiency.
注射实现，在保压冷却时，用低温水对模具举行降温料理，以便缩小制品的冷却光阴，抬高出产效率。
For the reservoir with high water cut, alternative injection of gas and solution can improve sweep efficiency, increase producing reserves and recovery factor.
采用气液交替注入技术可以提高高含水油藏的波及效率，改善油层的动用程度，达到提高原油采收率的目的。
What knowing about water injection sweep efficiency and oil layer's water flooded condition is an important content for dynamically analyzing development oilfield by water injection.
了解注水波及系数及油层的水淹状况是注水开发油田动态分析的一项重要内容。
In multilayer heterogeneous reservoir, the interlayer difference would lead to nonuniformity of injection profile and influence water displacement efficiency.
对于多油层非均质油藏，层间差异会导致吸水剖面不均匀，影响水驱效率。
Concentric integrated water injection technology was a novel technology, which have the characteristic of high testing efficiency and accurate testing data.
同心集成细分注水技术是一种新型注水技术，具有测试效率高、测试资料准的特点。
The optimization theory and method combined with variable frequency speed regulation technology is applied in this paper to realize efficiency optimization in water injection pumping stations.
利用最优化原理与方法结合变频调速技术实现注水泵站效率优化控制，以满足油田生产节能降耗的需要。
Therefore, increasing the network efficiency is the main approach to increase water injection system efficiency.
因此，设法提高管网效率是提高注水系统效率的主要途径。
The site application shows that the method is simple, fast and with small workload, and it is a really feasible method for oilfield water injection efficiency calculation.
现场应用表明，该计算方法简单、快速，工作量小，是油田切实可行的注水系统效率计算方法。
Heat efficiency of steam injection and hot water injection was 0.349 and 0.465 under the given condition.
在给定的条件下，注入蒸气和热水开采过程的热量的有效利用率分别为0.349和0.465。
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。
Therefore, it is very important to improve the efficiency of water injection system for saving the cost of production.
因此，提高注水系统效率从而降低油田生产成本非常重要。
How to control water cut, extend swept volume of water injection and enhance oil displacement efficiency is a problem in dire need of settle at this time.
如何有效地控制含水，扩大注水波及体积，提高驱油效率是当前所要急需解决的问题。
The reasons of low efficiency and high energy consumption in water injection system of oilfield were analyzed.
分析了油田注水系统效率低、能耗较高的主要原因。
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。
Cost of water injection is reduced and oil displacement efficiency is improved by converting water drive to expansion drive.
将水驱转换为弹性驱，降低了注水成本，提高了驱油效率。
Cyclic water injection development can expand sweep radius and enhance displacement efficiency.
通过多周期的注水吞吐开发，逐渐扩大水驱波及半径，提高驱替效率。
Also, the IFT of water and oil, surfactant slug size, injection rate and injection opportunity on reducing injecting pressure and improving EOR efficiency are investigated.
同时系统研究了油水界面张力大小、表面活性剂段塞大小、注入速度以及注入时机对低渗岩心降压增注和提高采收率的影响规律和特征。
Foam profile controlling system can improve the mobility ratio, adjust the water injection profile and improve the efficiency of oil washing in porous media, but the system has poor stability.
泡沫调剖体系在多孔介质中能够有效改善流度比，调整吸水剖面，提高洗油效率，但是体系稳定性较差。
Pilot test of linear water injection may be carried out to improve the sweep efficiency of the injected water and improve the effect of block development.
开展线性注水先导试验，提高注入水的波及系数，改善区块开发效果。
The effective filtering time is long, the cleaning time is reduced, and the water injection efficiency and the quality are improved.
达到有效过滤时间长，清洗次数减少，提高了注水效率和质量。
This technique has strong pertinence, good efficiency of removing plug, low cost of materials, which can decrease water injection pressure, increase efficiency of removing plug of oil and water...
该技术针对性强，解堵效果显著，材料成本低廉，能降低注水压力、提高油水井解堵效果，有着良好的应用前景。
Influenced by the areal heterogeneity, the operation cost of upgrading water injection sytstem wholly is always higher and low efficiency. Through …
受平面非均质性的影响，整体增压运行成本高，效率低。
Influenced by the areal heterogeneity, the operation cost of upgrading water injection sytstem wholly is always higher and low efficiency. Through …
受平面非均质性的影响，整体增压运行成本高，效率低。
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