Instruments and Systems: Monitoring, Control, and Diagnostics Annotation << Back Software package for assessing the capacity of gas in underground storage system based on PSIControl D.Y. EVSEEV The article discusses the solution evaluation of gas flows and bandwidth terrestrial technological complex of underground gas storage targets at varying conditions. Solution of the problem to more precisely control gas reserves in underground storage. The proposed software serves as a tool for modeling the current operation of the complex as a whole, as well as a tool of analysis and planning its future work. Describes software systems implemented within the module supervisory control information management system of production of LLC «Gazprom UGS». Keywords: underground gas storage, program complex, gas bandwidth evaluation, simulator, ground-based technological complex, design scheme. Contacts: E-mail:Evseev@atgs.ru Pp. 01-06.