Imperial College London
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ProfessorMartinBlunt

Faculty of Engineering, Department of Earth Science & Engineering

Chair in Flow in Porous Media
 
 
 
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Contact

 

+44 (0)20 7594 6500m.blunt Website

 
 
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Location

 

2.38ARoyal School of MinesSouth Kensington Campus

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Summary

 

Publications

Citation

BibTex format

@article{Bultreys:2018:10.1103/PhysRevE.97.053104,
author = {Bultreys, T and Lin, Q and Gao, Y and Raeini, AQ and AlRatrout, A and Bijeljic, B and Blunt, MJ},
doi = {10.1103/PhysRevE.97.053104},
journal = {Physical Review E},
title = {Validation of model predictions of pore-scale fluid distributions during two-phase flow},
url = {http://dx.doi.org/10.1103/PhysRevE.97.053104},
volume = {97},
year = {2018}
}
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RIS format (EndNote, RefMan)

TY  - JOUR
AB  - Pore-scale two-phase flow modeling is an important technology to study a rock's relative permeability behavior. To investigate if these models are predictive, the calculated pore-scale fluid distributions which determine the relative permeability need to be validated. In this work, we introduce a methodology to quantitatively compare models to experimental fluid distributions in flow experiments visualized with microcomputed tomography. First, we analyzed five repeated drainage-imbibition experiments on a single sample. In these experiments, the exact fluid distributions were not fully repeatable on a pore-by-pore basis, while the global properties of the fluid distribution were. Then two fractional flow experiments were used to validate a quasistatic pore network model. The model correctly predicted the fluid present in more than 75% of pores and throats in drainage and imbibition. To quantify what this means for the relevant global properties of the fluid distribution, we compare the main flow paths and the connectivity across the different pore sizes in the modeled and experimental fluid distributions. These essential topology characteristics matched well for drainage simulations, but not for imbibition. This suggests that the pore-filling rules in the network model we used need to be improved to make reliable predictions of imbibition. The presented analysis illustrates the potential of our methodology to systematically and robustly test two-phase flow models to aid in model development and calibration.
AU  - Bultreys,T
AU  - Lin,Q
AU  - Gao,Y
AU  - Raeini,AQ
AU  - AlRatrout,A
AU  - Bijeljic,B
AU  - Blunt,MJ
DO  - 10.1103/PhysRevE.97.053104
PY  - 2018///
SN  - 2470-0045
TI  - Validation of model predictions of pore-scale fluid distributions during two-phase flow
T2  - Physical Review E
UR  - http://dx.doi.org/10.1103/PhysRevE.97.053104
UR  - http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000432980600016&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=1ba7043ffcc86c417c072aa74d649202
UR  - http://hdl.handle.net/10044/1/60844
VL  - 97
ER  -
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