Аңдатпа
Summary On the basis of geochemical researches by the method of Rock-Eval pyrolisis and gasliquid chromatography determines the essential types of organic matter, sedimentation environments and degree of thermal maturity of organic substance of subsalt sediments of east part of Precaspian basin. Samples of west part content the organic matter with more high oil potential and are less mature. Samples of board and east part have less oil potential and are more mature.