Question

8.5 The following capillary pressure data are measured for a core plug from the North Sea. Calculate the absolute permeability from the following sample data and capillary pressure. Lithology factor, λ = 0.3, θair–mercury = 140°, σair–mercury = 480 dynes/cm, k = 2.0 mD (Klinkenberg corrected), and ϕ = 38%. Mercury Saturation (Fraction) Capillary Pressure (psia) 0.000 234 0.041 257 0.075 263 0.121 273 0.158 281 0.208 287 0.280 301 0.326 314 0.375 324 0.415 334 0.455 346 0.500 362 0.533 379 0.582 401 0.615 425 0.689 501 0.731 576 0.779 712 0.838 1125 0.850 1312 0.869 1875 0.880 2625 0.885 3000

Answer 1

2e8 247 36 31 Y~ [.IS, rAu-s-x-1.28-大-te 6.b85 So o-aso o663 (3,レ 1825