Abstract
Background The efficiency of oilfield development is primarily determined by the state of the bottomhole formation zone, which is most susceptible to various physicochemical and thermodynamic changes, both during the opening of the formation and the operation of the wells. Aims and Objectives To analyze the implementation of measures to increase the filtration properties of rocks in the bottomhole zone of the reservoir, align the inflow and intake profiles, eliminate the cones of watering and stained water flows at the Fedorovskoye oilfield. Results It was found that at the late stage of well operation, the joint application of solutions of surfactants and solvents is more effective, while hydrocarbon solvent is initially pumped into both production and injection wells. Use of hydrodynamic methods (increase of discharge pressure, non-stationary water flooding) at the field is effective.
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