Background. In this paper, we present the results of geological and geophysical works an analysis conducted simulation South Caspian Basin. Aim. Simulation hydrocarbon systems Turkmen sector basin. Materials methods. Statistical generalization systematization data materials from reference literature, fund sources, field published Sh.F. Mekhtiev, I.S. Guliyev, M.Z. Rachinsky, S.S. Djibouti, S.A....