Sandstone pore of 20 mm in diameter and 100 mm long with porosity of 15% is prepared for core flood experiment. The sandstone pore is fully (100%) saturated with water by injecting  water with viscosity of 1cp at volumetric flow rate of 20 cubic mm/sec. A pressure drop of 1 atm was recorded across the pore during the injection process. What is the absolute permeability of the sandstone pore sample in mD? What is the pore volume of sandstone sample? The sandstone pore sample is flooded by oil with viscosity of 2 cp until water saturation reaching to 25%. Calculate the oil volume inside the pore at the end of flood

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