Use of relative phase permeabilities to determine the critical water saturations and stratum drowning rate by the example of Gazprom neft OJSC fields
Authors: N.Yu. Moskalenko, N.V. Gilmanova, S.V. Samorokov, A.G. Orlov (Gazpromneft NTC LLC)
The influence of the preparation of core samples at creation a column for the relative phase permeabilities experiments to determine the end points on the relative phase permeabilities curves, critical water saturation on oil-water contact and the rate of flooding is shown. It is revealed that shift of the endpoints of the relative phase permeabilities curves occurs at violation of the requirements of OST-39-235-89 on creation a residual water saturation in the core column.
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