Pore-scale simulations of single-and two-phase flow in porous media: approaches and applications

T Ramstad, CF Berg, K Thompson - Transport in Porous Media, 2019 - Springer
We present a review of pore-scale simulations of immiscible fluid transport with focus on two
of the most popular approaches: lattice Boltzmann modeling for direct simulations on digital …

Effect of displacement rates on fluid distributions and dynamics during water flooding in tight oil sandstone cores from nuclear magnetic resonance (NMR)

M Chen, J Dai, X Liu, Y Kuang, Z Wang, S Gou… - Journal of Petroleum …, 2020 - Elsevier
Water flooding is widely used as an economical and recyclable method to improve oil
recovery in unconventional reservoirs. In this study, the effects of injection rates on oil …

Image-based modeling of spontaneous imbibition in porous media by a dynamic pore network model

CZ Qin, H van Brummelen, M Hefny, J Zhao - Advances in Water Resources, 2021 - Elsevier
The dynamic pore-network modeling, as an efficient pore-scale tool, has been used to
understand imbibition in porous media, which plays an important role in many subsurface …

Evaluating the hydraulic and transport properties of peat soil using pore network modeling and X-ray micro computed tomography

B Gharedaghloo, JS Price, F Rezanezhad… - Journal of …, 2018 - Elsevier
Micro-scale properties of peat pore space and their influence on hydraulic and transport
properties of peat soils have been given little attention so far. Characterizing the variation of …

Spontaneous imbibition analysis in shale reservoirs based on pore network modeling

X Wang, JJ Sheng - Journal of Petroleum Science and Engineering, 2018 - Elsevier
Capillary spontaneous imbibition is vital to the successful development of shale reservoirs.
The two-phase flow macro-properties of shale are significantly difficult to be measured in the …

Effect of gas content in macropores on hydraulic fracturing in rocks using a fully coupled DEM/CFD approach

M Krzaczek, M Nitka, J Tejchman - International Journal for …, 2021 - Wiley Online Library
The paper focuses on the effect of the gas content in rock macropores on a hydraulic
fracturing process. The process was simulated by combining the discrete element method …

Multi-scaled pore network modeling of gas-water flow in shale formations

X Wang, JJ Sheng - Journal of Petroleum Science and Engineering, 2019 - Elsevier
Multiphase flow is commonly encountered within shale reservoirs, however, the previous
studies are more focused on single phase flow. Due to the extremely low permeability of …

Numerical studies of spontaneous imbibition in porous media: Model development and pore-scale perspectives

CZ Qin, X Wang, H Zhang, M Hefny, H Jiang… - Journal of Petroleum …, 2022 - Elsevier
Spontaneous imbibition is a crucial two-phase flow process in a variety of subsurface and
industrial applications. Due to the lack of an efficient and reliable pore-scale model …

Modelling hydraulic and capillary‐driven two‐phase fluid flow in unsaturated concretes at the meso‐scale with a unique coupled DEM‐CFD technique

M Krzaczek, M Nitka, J Tejchman - International Journal for …, 2023 - Wiley Online Library
The goal of the research was to demonstrate the impact of thin porous interfacial transition
zones (ITZs) between aggregates and cement matrix on fluid flow in unsaturated concrete …

Fully implicit dynamic pore‐network modeling of two‐phase flow and phase change in porous media

S Chen, C Qin, B Guo - Water Resources Research, 2020 - Wiley Online Library
Dynamic pore‐network model (PNM) has been widely used to model pore‐scale two‐phase
flow. Numerical algorithms commonly used for dynamic PNM including IMPES (implicit …