Figure 15

Plotting the vertical and horizontal permeabilities (k_V and k_H, respectively) versus the helium porosity (∅_He) for the different rock types: (A) RRT1, (B) RRT2, (C) RRT3, (D) RRT4, and (E) RRT5 samples of the Qawasim reservoir, West Dikirnis Oil Field, Nile Delta, Egypt.