Taking into account the current stage of study, the article discusses the structural and developmental features of the Paleozoic complex of the Pre-Caspian basin, which is associated with the prospect of discovering new large hydrocarbon deposits. In assessing the prospects of oil and gas, the factor of paleobatimetric analysis and reconstructions of the paleo-environment of sedimentation was considered as one of the main ones. Factors of a regional scale that contribute to the formation of non-anticlinal type traps are substantiated.

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