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The need to restructure, redesign or develop a management model on a scientific basis at domestic petrochemical enterprises in the context of the challenges of industry 4.0 and the prospects of industry 5.0, the transition to new management standards, the lack of qualified managers determine the importance and relevance of the problem of choosing the optimal organizational structure of enterprise management that contributes to the most effective achievement of goals. When designing and evaluating the effectiveness of organizational management structures, modeling was used using the production function, which takes into account the indicators of the use of human and material capital in the organization of production. The article summarizes the research and development that allows us to assess the current level of development of organizational structures of petrochemical enterprises in domestic and foreign science and practice. It is proposed to calculate the ranges of indicators of the effectiveness of the management system, depending on the type of organizational structure of management. As a hypothesis, it is noted that with organic types of organizational structures, the level of resource saving is higher than with divisional OSU, the level of resource efficiency of which, in turn, is higher than with mechanistic OSU. The scientific results presented in the study are of significant importance in the context of the implementation of projects on strategies for the development of organizational structures of petrochemical enterprises.

Transformation of the management model of a petrochemical enterprise in the context of industry 4.0 challenges