The SCB (South Caspian Basin) is considered one of the world's unique in terms of hydrocarbon reserves. At present, the hydrocarbon potential of the basin has attracted foreign companies to conduct large-scale research here. As a result of these surveys, 120 structures were discovered in the Azerbaijani part of the SCB, of which 21 structures were identified as oil and gas and 17 fields are being developed.

The main purpose of the study is to analize the hydrodynamic activity characteristics of the basin, to improve field models, to develop efficient development scenarios, to more accurately forecast the reserves and resources of the field and, as a result, to develop a modeling of the aquifer basin of the South Caspian Basin. The hydrodynamic activity model of the basin is especially important in the modeling of oil and gas and gascondensate fields. While modeling the hydrocarbon-water contact and the movement mechanism (Fetkovich, Carter Tracy, inactive), for the improvment an effective field development plan, it is necessary to clarify pressure, direction of movement, etc., which is possible only as a result of the compilation and analysis of the basin activity model. The advantage of the study is that the used data from oil and gas fields related to the surrounding basins, and the volumes of gas produced from the basin were calculated in reservoir conditions.  In this regard, the research is of great theoretical and practical importance.

Keywords: aquifer, field, formation, field modeling, hydrodynamics, formation pressure, fluid

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