Abstract: Fluvial facies reservoirs are the main carrier of oil resources in our country and this kind of reservoirs has characteristics of big lateral variations,frequent interbedded sand and shale and strong reservoir heterogeneity.Based on mechanism model of different configurations and different elements,six combination modes have been proposed.With application of eclipse reservoir simulation technology and simulation software,the numerical simulation calculation has been made.Research element combination lap-type configuration mode,manner and oil well perforating thickness control effect on the distribution of remaining oil,to improve reservoir development is important.