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Counter-Current Imbibition Distance in Tight Oil Reservoirs: Experimental and Numerical Simulation

Shin Gao

Tight oil reservoirs, characterized by their low permeability and complex pore structures, present unique challenges in efficient oil recovery. Counter-current imbibition, a key process involving the displacement of oil by water in the opposite direction of the initial fluid flow, has gained significant attention as a potential enhanced oil recovery (EOR) mechanism in these unconventional reservoirs. This article presents a comprehensive study that combines experimental investigations and numerical simulations to elucidate the factors influencing the countercurrent imbibition distance in tight oil reservoirs.