The Remaining Oil Potential And Adjustment Countermeasures In North Of Xing Jia A Area Of Daqing Placanticline

So far many oilfields in our country have entered the high water-cut development phase.Exploration and development are facing serious situation,which is the transition from easy development zone to hard development zone and remote area,from partially high water-cut to high water-cut and high recovery degree,from basic reserve-production balance to serious reserve-production imbalance.At the same time,the complexity of continental reservoir commands us to research the oil reservoir fully and deeply and come up with proper development technique.The generation and application of separate-layer production is to meet the development of continental sedimentary oilfields in China.Many well log and core data indicate that many reservoirs have strong heterogeneity vertically,especially when there is layer reservoir.In order to avoid interfere of balanced production for different strata,the separate-layer production has arisen.Separate-layer production is an effective method to decrease interferes between strata and has achieved great production effect.With the development of tertiary infilling adjustment in the Xing North Development Zone,the proportion of thin and poor reservoir in output is increasing.Some reservoir is not utilized effectively in combining production because of the difference of reservoir development and physical properties.Separate-layer production is an effective way to decrease interferes between strata and has achieved better experimental results in Xing North area.But the further application needs more study: the reservoir series division method of tertiary infilling separate-layer production;the corresponding reservoir upward combination and chance;dynamic adjustment technique of tertiary infilling separate-layer production and the range of injection-production parameter agreed with thin and poor reservoir.This paper chooses the Xing North Jia A area as research object.The first step is analyzing the geological property and building geological model to carry out numerical simulation.Next,study the potential of separate-layer production and the corresponding reservoir upward combination pattern.In the case of protecting economic benefits,using remaining oil fully,extending tertiary infilling validity and improveing final recovery ratio.