PRACTICAL COMPANION TO RESERVOIR STIMULATION 11 10 9 8 7 v,6 c 0 a a= w .- C $ 5 4 3 2 1 0 0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 Time (min) Figure H-4-Skin-effect evolution using transient and steady-state models. H-12