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Change in the well productivity factor with a decrease in bottom-hole and reservoir pressures

Authors: V.A. Mordvinov, V.V. Poplygin (State National Research Polytechnical University of Perm)
A change in the well productivity factor of the obtaining bore holes with the development of oil deposits with a decrease in bottom-hole and reservoir pressures is shown. For the wells in the bobrikovsky deposits of the Shershnevskoye layer is divided a change in the productivity of the collector as a result of deformation processes and influence of free gas. It is revealed, that with the joint manifestation of deformations and reduction in the phase permeability along the oil occurs strengthening the process of reduction in the permeability of layer and well productivity factor, i.e., synergetic effect appears.
A change in the well productivity factor of the obtaining bore holes with the development of oil deposits with a decrease in bottom-hole and reservoir pressures is shown. For the wells in the bobrikovsky deposits of the Shershnevskoye layer is divided a change in the productivity of the collector as a result of deformation processes and influence of free gas. It is revealed, that with the joint manifestation of deformations and reduction in the phase permeability along the oil occurs strengthening the process of reduction in the permeability of layer and well productivity factor, i.e., synergetic effect appears.


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