Evaluation of formation characteristics and wells productivity under primary oil recovery

Authors: V.A. Mordvinov, D.A. Martyushev (Perm National Research Polytechnical University, RF, Perm), I.A. Chernykh (LULOIL_PERM LLC, RF, Perm), V.I. Puzikov (Universal-Service LLC, RF, Perm)

Key words: oil reservoir, primary oil recovery, index of wells productivity, well test, reservoir heterogeneity.

The authors consider peculiarities of primary oil recovery such as changes in the coefficients of wells productivity according to bottomhole pressure reduction. The results of performed hydrodynamical and geophysical well tests are estimated.

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