Investigation of the efficiency of gas condensate reservoirs waterflooding at different stages of development

The study of flooding gas condensate reservoirs at different stages depletion (25, 50, 75% the dew point pressure and maximum condensation pressure) with potential hydrocarbon content 100, 300 500 g/m 3 voidage replacement by using injection (50, 100 150%). results showed a positive effect water on increase recovery factor, but decrease in production compared to basic options development drive. Thus, for formation systems medium high yield liquid hydrocarbons C 5+ , largest incremental is obtained case when begins minimum energy. While system low (100 ) technological under condition depletion. In gas, slight 25 or 50% pressure, factor achieved rates 150% replacement. can be used rapid screening methods impact reservoir, final decision concerning parameters wells operation will made due optimization multivariate hydrodynamic calculations geological models.