A Prediction Model of the Capillary Pressure J-Function

W S Xu, P Y Luo, L Sun and N Lin

PLOS ONE, 2016, vol. 11, issue 9, 1-9

Abstract: The capillary pressure J-function is a dimensionless measure of the capillary pressure of a fluid in a porous medium. The function was derived based on a capillary bundle model. However, the dependence of the J-function on the saturation Sw is not well understood. A prediction model for it is presented based on capillary pressure model, and the J-function prediction model is a power function instead of an exponential or polynomial function. Relative permeability is calculated with the J-function prediction model, resulting in an easier calculation and results that are more representative.

Date: 2016
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0162123

DOI: 10.1371/journal.pone.0162123

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