400 ft 600 ft 30 ft 100 mD 10 mD Oil viscosity= 3 cp 50 mD 20 ft 150 mD 400 ft 600 ft Layer width= 200 ft 10 ft 50 mD 150 mD 500 ft 500 ft Pressure difference= 500 psia What are the ratios of pressure drops across the individual beds for liquid flow? In what ratio are the separate flows in the three beds? How much is the total flow rate across the bed