Аннотация:The purpose of the work is studying an mutual effect of the anisotropy of rock reservoir strength and filtration properties. The paper focuses on experiments carried out on samples from core of the deposit using by the unique true triaxial loading system created at the IPMech RAS TILTS. Scientific novelty lies in the identification of patterns of mechanical behavior of various rocks with anisotropic properties. The results obtained allow identifying stress states that need to be created in the bottom hole formation zone to increase the permeability of such anisotropic rocks and increase the productivity of wells, which is especially relevant for horizontal wells.