Abstract
In this paper, two methods of increasing the efficiency of oil recovery at the final stage of development are compared - the distribution of filtration flows using various compositions and technologies, as well as changing the operating mode of the injection well to prevent the movement of the injected liquid at the most flushed intervals. Based on the use of various hydrodynamic, geological-physical and geological-statistical models, calculations related to the identification of the distribution trend of the injected liquid in a porous medium have been carried out. Using the calculation of the required indicators on various simulators, curves for the distribution of oil flow rates and product water content were constructed in dynamics depending on the permeability of reservoirs. Based on the results obtained, it is concluded that with the effective displacement of residual oil reserves within the framework of changing the dynamics of the injection well, it is necessary only to use the method of distribution of filtration flows with a decrease in productivity.
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