Abstract
Depending on the daily gas production, the character of the pressure dynamics in the field and the movement of the gas-water contact should be determined in order to provide a project for the development of gas fields. The change of those factors mainly depends on the regime of the bed.
In the dissolved gas regime, the only driving force is the elastic energy of gas dissolved in oil.
When gas-cut liquid (oil) moves in the formation, the relative permeability of the formation for gas and oil depends on its oil saturation factor. The saturation coefficient depends on the amount of oil and gas extracted from the reservoir and reservoir pressure. Therefore, since the movement under the dissolved gas drive mode is complex and undetermined, approximate methods to solve hydrodynamic problemsare used.
