We proved for the first time, existence of linear relationship between cumulative volume of oil production (SQo) along Y-axis and logarithm of cumulative gas production (lnSQg) along X-axis, at certain time interval, for oil fields exploited at solution gas drive. This simple model is based on five to ten years oil and gas past production history.
By definition, a solution gas drive reservoir has no water drive pressure support, so the pressure in the reservoir declines rapidly after initial production.