LABORATORY STUDIES ON THE EFFECTS OF HYDROGEN EXPOSURE ON POROSITY, PERMEABILITY, AND CHEMICAL COMPOSITION OF TERRIGENOUS RESERVOIR ROCKS: A CASE STUDY OF THE BOBRIKOVSKII FORMATIONS IN THE NORTHEAST VOLGA-URAL OIL AND GAS PROVINCE. Edu. Insi. 2025;1(2):234-248. Accessed July 21, 2026. https://brightmindpublishing.com/index.php/EI/article/view/84