Correspondence of results of the hydrodynamic modeling of water-gas formation stimulation with actual development indexes

Authors: V.V. Zatsepin, Yu.V. Alekseev (Gazpromneft NTC LLC)
The comparison of the development hydrodynamic modeling results and actual data for the test area of the Novogodneye field, at which the water-gas stimulation technology was used, is given. It is shown that the reliability of the results of hydrodynamic modeling of water-gas formation stimulation is low even on conditions that necessary results of laboratory investigations of core material and reservoir fluids are available. As a result of pilot experiment it is confirmed that in the low-permeable hydrophilic reservoir injected gas displaces mainly from the porous medium previously pumped into the reservoir water.
The comparison of the development hydrodynamic modeling results and actual data for the test area of the Novogodneye field, at which the water-gas stimulation technology was used, is given. It is shown that the reliability of the results of hydrodynamic modeling of water-gas formation stimulation is low even on conditions that necessary results of laboratory investigations of core material and reservoir fluids are available. As a result of pilot experiment it is confirmed that in the low-permeable hydrophilic reservoir injected gas displaces mainly from the porous medium previously pumped into the reservoir water.


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