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https://hdl.handle.net/2440/71739
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Type: | Journal article |
Title: | A semi-analytical model for two phase immiscible flow in porous media honouring capillary pressure |
Author: | Hussain, F. Cinar, Y. Bedrikovetski, P. |
Citation: | Transport in Porous Media, 2012; 92(1):187-212 |
Publisher: | Kluwer Academic Publ |
Issue Date: | 2012 |
ISSN: | 0169-3913 1573-1634 |
Statement of Responsibility: | F. Hussain, Y. Cinar and P. Bedrikovetsky |
Abstract: | This article describes a semi-analytical model for two-phase immiscible flow in porous media. The model incorporates the effect of capillary pressure gradient on fluid displacement. It also includes a correction to the capillarity-free Buckley-Leverett saturation profile for the stabilized-zone around the displacement front and the end-effects near the core outlet. The model is valid for both drainage and imbibition oil-water displacements in porous media with different wettability conditions. A stepwise procedure is presented to derive relative permeabilities from coreflood displacements using the proposed semi-analytical model. The procedure can be utilized for both before and after breakthrough data and hence is capable to generate a continuous relative permeability curve unlike other analytical/semi-analytical approaches. The model predictions are compared with numerical simulations and laboratory experiments. The comparison shows that the model predictions for drainage process agree well with the numerical simulations for different capillary numbers, whereas there is mismatch between the relative permeability derived using the Johnson-Bossler-Naumann (JBN) method and the simulations. The coreflood experiments carried out on a Berea sandstone core suggest that the proposed model works better than the JBN method for a drainage process in strongly wet rocks. Both methods give similar results for imbibition processes. © 2011 Springer Science+Business Media B.V. |
Keywords: | Two phase flow porous medium semi-analytical model coreflood relative permeability |
Rights: | © Springer Science+Business Media B.V. 2011 |
DOI: | 10.1007/s11242-011-9897-4 |
Grant ID: | http://purl.org/au-research/grants/arc/DP0878564 http://purl.org/au-research/grants/arc/DP1094299 http://purl.org/au-research/grants/arc/DP1094299 http://purl.org/au-research/grants/arc/DP0878564 |
Published version: | http://dx.doi.org/10.1007/s11242-011-9897-4 |
Appears in Collections: | Aurora harvest Australian School of Petroleum publications |
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