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曙光油田曙三区经过20多年的注水开发,现处于“双高”开发后期,油层储量动用不均,水驱动用效果差,油层水淹严重,零星分布的剩余油所占比例越来越高,剩余油呈高度分散状态,挖潜难度越来越大。针对目前高含水开发阶段存在的问题,通过对曙三区平面及纵向剩余油分布规律的深入研究,采取有效措施,进行注采结构的综合调整,从而挖掘剩余油潜力,使老区保持稳产。
Shuguang Oilfield Shushu District after 20 years of water development, is now in the “double high” development late, uneven use of oil reserves, water-driven with poor results, serious flooding, sporadic distribution of the proportion of remaining oil more and more The higher the remaining oil is highly dispersed, increasing the potential for tapping the potential. Aiming at the existing problems in the development stage of high water cut, effective measures are taken to study the distribution of remaining oil in the horizontal and vertical directions in Shusan District so that the comprehensive adjustment of injection and production structures can be carried out to tap the potential of remaining oil so as to keep the old areas stable.