ACCOUNTING FOR PRODUCTIVE DEPOSITS HETEROGENEITY IN GEOLOGICAL MODELILING IN ORDER TO IMPROVE AN EFFICIENCY OF WATER-ALTERNATED-GAS INJECTION СтатьяStrakhov P.N., Belova A.A., Markelova A.A., Strakhova E.P.Нефтяное хозяйство. Том 2021. 2021. С. 46-49