A Statistical Structural Model for Unsteady-State Displacement in Porous Media

Aleman-Gomez, M.; Ramamohan, T.R.; Slattery, J.C.

doi:10.2523/13265-ms

Proceedings of SPE Annual Technical Conference and Exhibition 1984

DOI: 10.2523/13265-ms

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A Statistical Structural Model for Unsteady-State Displacement in Porous Media

M. Aleman-Gomez¹,

T.R. Ramamohan²,

J.C. Slattery³

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1988

2011

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Cited by 2 publications

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References 31 publications

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“…The free parameters ~ and ~ are used to fit the curvature of the zero-oil-permeability isoperm. A wide range of adjustment for the shape of this isoperm can be obtained with suitable choices of ~ and ~.Alema~Alema~, et al38 developed a statistical structural model for prediction of two-phase relative permeability based on a local-volume-average approach to a bundle of capillaries model. In this model, pores are randomly oriented in space but pore interconnections within the averaging volume are not recognized.…”

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confidence: 99%

Three-Phase Relative Permeability Correlations

Baker¹

1988

Proceedings of SPE Enhanced Oil Recovery Symposium

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Several correlations have been proposed for prediction of three-phase relative permeability from two-phas~ data or from saturation/capillary-pressure relationships. These include the models of Stone, Hirasaki, Corey et al., Naar and Wygal, Land, Alema~, and Parker et al. This paper compares predictions of these models with predictions of two additional models (saturation-weighted interpolation and true-linear interpolation). The comparison is made using all the published three-phase experimental relative permeability data complete enough for application of the models.The comparison shows that the models are often not very good predictors of the experimental data. This points out a need for better relative permeability models in cases where three-phase flow may have a significant effect. In most cases, straightline interpolation or saturation-weighted interpolation between the permeabilities at the two-phase boundaries of the three-phase flow regiori provided a better fit of the experimental data than did the theoretically-based models.The paper also demonstrates the utility of comparing the effects of different relative permeability models before using them in a reservoir simulation. Sometimes the result of a simulation can be heavily biased by the choice of relative permeabili~y model used. j=l J J J J * p3j + P 6 .(s)where each of the saturations S. is normalized with respect to a maximum and minimurl! value (unspeci-

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confidence: 99%

Three-Phase Relative Permeability Correlations

Baker¹

1988

Proceedings of SPE Enhanced Oil Recovery Symposium

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References

2011

Flow and Transport in Porous Media and Fractured Rock

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A Statistical Structural Model for Unsteady-State Displacement in Porous Media

Cited by 2 publications

References 31 publications

Three-Phase Relative Permeability Correlations

Three-Phase Relative Permeability Correlations

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