The Development of Separate-Layer Waterflooding Technology and Research on Optimal Application in Yanchang Oilfield

At present, separate-layer Waterflooding process is still one of the key technologies for improving oil displacement efficiency. The separate-layer Waterflooding process has developed from traditional technologies such as fixed type, downhole casting and fishing type, integrated text and adjustment to the current real-time monitoring and control technology on the surface. This paper introduces the development of the separate-layer Waterflooding process and Understand its the advantages and disadvantages, At the same time, it comprehensively analyzes the application status and problems of separate-layer Waterflooding technology in Yanchang Oilfield, combines the geological characteristics, well conditions and Waterflooding characteristics of Yanchang oilfield, selects the injection process suitable for different regions and different well conditions according to different conditions, and gives the development direction of the application of separate-layer Waterflooding technology in Yanchang oilfield in the future.