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。
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.
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。
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.
根据裂缝分布规律,优化了A区注采井网,有效地提高了该油藏产能和注水波及系数。
The flooding pattern of a area is optimized according to the distribution rule of the fractures. Productivity and waterflooded sweep efficiency of this oil reservoir raised effectively.
周期注水技术主要是通过油水交渗效应、毛管压力作用,增加注水波及体积,从而提高水驱采收率的技术。
Cyclic water injection increases swept volume through oil-water percolation effect and capillary pressure effect to improve water drive recovery factor.
周期注水技术主要是通过油水交渗效应、毛管压力作用,增加注水波及体积,从而提高水驱采收率的技术。
The result shows that cyclic water injection may be more effective if increasing oil-water percolation rate, standup pressure time and water holdup coefficient.
在中后期采用水淹规律研究、不稳定注水研究、提高注水波及体积研究、优化水井射孔方案等方法也取得了较好效果。
In middle and later stages we can use water-flood law study, unsteady water-injection study, enhancing water spread bulk study and optimizing injection-well scheme and we also gained good effect.
在后续注水过程中,存在于大孔道的弱凝胶迫使后续注入水改向进入未被注入水波及的小孔隙,驱替的残余油滴聚集并形成油墙。
In the post-water flooding process, WG in the larger channels diverts the injected water entering the smaller pores and displacing residual oil to form oil bank in the front of the displacing water.
在后续注水过程中,存在于大孔道的弱凝胶迫使后续注入水改向进入未被注入水波及的小孔隙,驱替的残余油滴聚集并形成油墙。
In the post-water flooding process, WG in the larger channels diverts the injected water entering the smaller pores and displacing residual oil to form oil bank in the front of the displacing water.
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