Sunday 19th of November 2017
 

Numerical Simulation of Two Phase Flow in Reconstructed Pore Network Based on Lattice Boltzmann Method


Song Rui, Liu Jianjun and Qin Dahui

Accurate prediction and understanding of the disorder microstructures in the porous media contribute to acquiring the macroscopic physical properties such as conductivity, permeability, formation factor, elastic moduli etc. Based on the rock serial sectioning images of Berea sandstone acquired by the core scanning system developed by our research group, the reconstructed rock model is established in the Mimics software and the extracted pore network of the porous rock is accomplished by the self-programming software in C++ programming language based on the revised Medial axis based algorithm and the Maximal ball algorithm. Using a lattice Boltzmann method, the single and two C phase flow are accomplished. Both of the pore-scale networks and the seepage mechanism of the single- and two Cphase flow are identical with the benchmark experimental data.

Keywords: Berea sandstone; serial sectioning; reconstructed porous media; extracted network; single - phase flow; two ĘC phase flow.

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ABOUT THE AUTHORS

Song Rui
School of Civil Engineering and Architecture, Southwest Petroleum University, Chengdu, China

Liu Jianjun
School of Civil Engineering and Architecture, Southwest Petroleum University, Chengdu, China

Qin Dahui
School of Civil Engineering and Architecture, Southwest Petroleum University, Chengdu, China


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