A mathematical model of imbibition phenomenon in heterogeneous porous media during secondary oil recovery process

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Abstract

The present paper discuses the solution of one-dimensional mathematical model for counter-current water imbibition phenomenon occurring into an oil-saturated cylindrical heterogeneous porous matrix. During secondary oil recovery process when water is injected in oil formatted heterogeneous porous matrix then at common interface the counter current imbibition phenomenon occurs due to the difference of viscosity of water and oil which satisfies imbibition condition Vi=-Vn. The governing differential equation of this phenomenon is in the form of non-linear partial differential equation which has been converted into non-linear ordinary differential by using similarity transformation. The solution of this problem has been obtained in term of power series by using appropriate boundary condition at common interface. The graphical presentation is obtained by using MATLAB and final solution physically interpreted. © 2012 Elsevier Inc.

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Patel, K. R., Mehta, M. N., & Patel, T. R. (2013). A mathematical model of imbibition phenomenon in heterogeneous porous media during secondary oil recovery process. Applied Mathematical Modelling, 37(5), 2933–2942. https://doi.org/10.1016/j.apm.2012.06.015

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