The article covers main BelNIPIneft lines of activity, including development of the filtration flow tracing method and research on upgrading the existing technologies and compositions aimed at production enhancement and developing new ones. Implementation of new highly-effective complex technologies of production enhancement combined with existing technical, economic and intellectual asserts will allow to gain maximum possible oil recovery factor in Belarusian fields and improve technical and economic characteristics of reservoir development, which will ensure slowing down the rate of oil production decline for the coming 20-30 years.