Highlights • Unsupervised learning groups rocks based on permeability, porosity & wettability.• Ultrasonic wave improves water flooding performance in low-permeability cores.• Ultrasonic wave can change the micromorphology of low-permeability cores.•… Click to show full abstract
Highlights • Unsupervised learning groups rocks based on permeability, porosity & wettability.• Ultrasonic wave improves water flooding performance in low-permeability cores.• Ultrasonic wave can change the micromorphology of low-permeability cores.• Ultrasonic wave can reduce the oil viscosity and oil-water interfacial tension.
               
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