Due to years of water-injection development,the distribution of oil and water is complex in the Upper Karamay Formation of eastern Block Wu2,Karamay Oilfield. To improve the development efficiency is very urgent. Based on the depositional model and characteristics of fan delta and the rock-electricity features of the sedimentary microfacies in the study area,the reservoir architecture unit of fan-delta plain and front facies belt in the study area were identified and divided into four levels,which includes ...