TY JOUR TI Digital Analysis of Changes in Hydrocarbon Reservoir Pore Space Characteristics After Filtration Tests KW X-ray computed tomography of rocks (CT) KW porosity KW pore space structure KW digital core analysis KW reservoir capacity properties KW porosity distribution JO Russian Journal of Earth Sciences AU Khimulia, V.V. PY 2025 IS 25 PB Geophysical Center of the Russian Academy of Sciences