利用自喷转抽提液方法，放大生产压差，降低注采比。
The production pressure differential can be increased and the injection-production ratio can be reduced by transferring from flowing to pumping.
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。
In the ideal condition, injection to production ratio turns out to become 1 as the time of waterflood lasts.
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。
The method is presented to determine formation average pressure and boundary pressure with threshold pressure gradient and injection-production ratio.
从油田开发耗水率的基本概念出发，定义耗水指数为当注采比为1时的耗水率。
Based on the basic concept of water consumption factor in oilfield development, water consumption index was defined as water consumption factor with injection production ratio of 1.
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；
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.
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。
Different flooding pattern and different injection production ratio are used for different reservoirs to maintain the reservoir at a reasonable level.
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。
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.
在注水开发过程中，采用较高的注采比，保证主力油层注够水，选择油井合理流压和生产压差，对实现较长时期的高产稳产是十分重要的。
To ensure prolonged stable high production, it is necessary to use a high injection-production ratio so as to ensure that enough water is injected into the main pay…
在注水开发过程中，采用较高的注采比，保证主力油层注够水，选择油井合理流压和生产压差，对实现较长时期的高产稳产是十分重要的。
To ensure prolonged stable high production, it is necessary to use a high injection-production ratio so as to ensure that enough water is injected into the main pay…
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