Аннотация:In terms of statistical criteria, the proposed production functions of gas sector operations regarding the activities in entire Tyumen region and by Gazprom's subsidiaries appears to adequately describe gas production processes which are essentially predictable. There are good applications available for production economics analysis, planning, and forecasting - with all such areas believed to be useful for both related government authorities and domestic oil and gas companies including Gazprom. In particular, such functions can be applied to development of Russia's new energy strategy and gas industry investment programmes.