Page 329 - Geology and Geochemistry of Oil and Gas

290 APPENDIX B

Fig. B-1. Triangle diagrams of ternary mixtures (water, oil, and gas) with lines of equal relative per-
meability (in %): (a) to gas (as a function of water and oil saturation), (b) to oil (as a function of gas and
water saturation) (after Leverett, 1940; courtesy of AIME).

Fig. B-2. Composition of a three-phase flow through the porous media (after Leverett and Lewis, 1940;
courtesy of AIME).