Complex of technologies for solution of problems on peservation, restoration and improvement of natural (or decreased by technogenic influence) reservoir characteristics of bottom-hole producing formation zone is elaborated in JSC <>. The main, successively performed elements of the complex are the following ones: technology of qualitative drilling-in of producing formations using treated hydrocarbon and aqueous surfactant solutions; technology of wells killing with preservation of filtration-capacitive properties of bottom-hole formation zone; new methods and technologies on stimulation of wells operation.