Substantiating the boundary value of secondary porosity for reservoir – non-reservoir rocks on the example of the Upper Cretaceous carbonate deposits of Terek-Sunzhensk petroleum-bearing region

Authors: B.L. Alexandrov (Kuban State Agrarian University, RF, Krasnodar), A.S. Elzhaev, M.A. Hasanov, D.W. Germahanova (Grozny State Oil Technical University named after acad. M.D. Millionshchikov, RF, Grozny)