Figure 31.19 Known occurrences of Jurassic-sourced oils in Western Canada. The thermal maturity of the Mannville based on vitrinite reflectance measurements on coal samples. Figure 31.21 Postulated petroleum migration pathways for the heavy oils of the Western Canada Sedimentary Basin. The occurrence and maturity of the Second White Speckled Shale condensed section. Figure 31.23 Geochemical characteristics of Colorado Group-sourced oils.
Samples are from one sample.
See text under Colorado Group Petroleum System. Figure 31.24 Summary of oil migration in Colorado Group reservoirs. Figure 31.25 Map of oil alteration in the Mannville Group of Western Canada. Figure 31.26 Geochemical characteristics of Mannville oils showing various degrees of biodegradation. See text under Mannville Petroleum System.