Abstract: Shuanghe oilfield FV1 - 3 layer still at the stage of high water cut, high collection degree and high distribu- tion of residual oil, there still remained certain amount of residual oil Characteristics and combination of reservoir sedimentary facies is the main factors to determine sand body heterogeneity and that is the main reason to produce a large amount of residual oil. According to close well pattern data, we have made fine explanation of this sequence and fest up reservoir sedimentary facies model, which determined distribution type and area of residual oil combining with existing well pattern and directed high effective well disposition. We have achieved good effect upon the execution of the work at site.