DETERMINATION OF 3-PHASE RELATIVE PERMEABILITIES FROM DISPLACEMENT EXPERIMENTS

We describe and demonstrate a method for the determination of three-ph ase relative permeability functions at reservoir conditions. Two-and t hree-phase displacement experiments are conducted on a low-permeabilit y chalk sample, and estimates of the three-phase relative permeability and capillary pressure functions are obtained. We also calculate thre e-phase relative permeabilities with the Stone predictive model, and w e evaluate them by simulating the experimental data.