Some Key Issues and Thoughts on Spontaneous Imbibition in Porous Media

doi:10.19596/j.cnki.1001-246x.8440

Abstract

Abstract:

Spontaneous imbibition in porous media is ubiquitous in natural and industrial applications. It is of great value to probe into the microscopic and macroscopic multiphase flow mechanisms of spontaneous imbibition in science and engineering aspects. However, due to the multi-influencing factors such as petrophysical properties, fluid properties and boundary conditions in porous media, the microscopic and macroscopic flow mechanisms in spontaneous imbibition are difficult to be understood thoroughly. Currently, the spontaneous imbibition process under the influence of multiple factors is widely studied and mainly focused on laboratory experiments, theoretical analysis and numerical simulations. In this paper, the key issues and recent progress in spontaneous imbibition are analyzed, and some suggestions and an in-depth understanding of capillarity in porous media are provided for future work.

Key words: porous media, spontaneous imbibition, flow mechanism, seepage law

CLC Number:

TE312

Jianchao CAI. Some Key Issues and Thoughts on Spontaneous Imbibition in Porous Media[J]. Chinese Journal of Computational Physics, 2021, 38(5): 505-512.

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