Chapter 31 Figures
Petroleum Generation and Migration in the Western Canada Sedimentary Basin

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Figure 31.1

Histograms of total initial oil-in-place by geological age of reservoir for the Western Canada Sedimentary Basin.

Figure 31.2

Log analysis display of the source rocks of Western Canada.

Figure 31.3

The occurrence and maturity of Ordovician source rocks in the Western Canada Sedimentary Basin. Also annotated are the locations of oils mentioned in the text and on Figure 31.4.

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Figure 31.3 View JPG

Figure 31.4

Geochemical characteristics of Ordovician-sourced oils. Sample is from 4-22-3-15W2. See text under Ordovician Petroleum System.

Figure 31.5

The occurrence and maturity of Middle Devonian source rocks in the Western Canada Sedimentary Basin.

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Figure 31.5 View JPG

Figure 31.6a

Geochemical characteristics of Middle Devonian-sourced oils of Western Canada. Keg River Formation, 11-29-108-8W6 (Rainbow). See text under Keg River/Brightholme Petroleum System.

Figure 31.6b

Geochemical characteristics of Middle Devonian-sourced oils of Western Canada. Keg River Formation, 15-22-116-5W6 (Zama). See text under Keg River/Brightholme Petroleum System.

Figure 31.7

The occurrence and maturity of the Duvernay source facies in the Western Canada Sedimentary Basin.

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Figure 31.7 View JPG

Figure 31.8

Geochemical characteristics of Duvernay-sourced oils. Oil sample is from the Leduc at 10-29-57-21W4. See text under Duvernay Petroleum System.

Figure 31.9

The occurrence and maturity of "Nisku" source rocks.

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Figure 31.9 View JPG

Figure 31.10

Geochemical characteristics of Nisku-sourced oils. Oil sample is from the Nisku at 14-4-51-9W5. See text under "Nisku" Petroleum System.

Figure 31.11

Summary of petroleum migration in the Devonian of the Western Canada Sedimentary Basin.

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Figure 31.11 View JPG

Figure 31.12

The occurrence and maturity of Mississippian source rocks in Western Canada.

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Figure 31.12 View JPG

Figure 31.13a

Geochemical characteristics of Bakken-sourced oils. Rocanville and Roncott fields, Bakken pools. See text under Exshaw-Bakken and Lodgepole Petroleum Systems.

Figure 31.13b

Geochemical characteristics of Lodgepole-sourced oils. Neptune and Kenosee fields, Ratcliffe and Tilston (Lodgepole) pools. See text under Exshaw-Bakken and Lodgepole Petroleum Systems.

Figure 31.13c

Geochemical characteristics of Exshaw-sourced oils. Wabamun-Shane (Exshaw) pool 8-1-77-2W6. See text under Exshaw-Bakken and Lodgepole Petroleum Systems.

Figure 31.14

The occurrence and postulated migration pathways of oils from the Devonian-Mississippian petroleum system of the Western Canada Sedimentary Basin.

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Figure 31.14 View JPG

Figure 31.15

The occurrence and maturity of the Middle Triassic (Anisian) Doig source rocks of Western Canada.

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Figure 31.15 View JPG

Figure 31.16a

Geochemical characteristics of Doig-sourced oils. Charlie Lake reservoir 6-8-77-5W6. See text under Doig Petroleum System.

Figure 31.16b

Geochemical characteristics of Doig-sourced oils. Belloy reservoir 10-4-85-18W6. See text under Doig Petroleum System.

Figure 31.17

The occurrence and maturity of Lower Jurassic source rocks in the Western Canada Sedimentary Basin.

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Figure 31.17 View JPG

Figure 31.18a

Geochemical characteristics of "Nordegg"-sourced oils. Charlie Lake pool at 16-3-77-5W6. See text under "Nordegg" Jurassic Petroleum System.

Figure 31.18b

Geochemical characteristics of "Nordegg"-sourced oils. Belloy pool at 8-30-63-13W5. See text under "Nordegg" Jurassic Petroleum System.

Figure 31.19

Known occurrences of Jurassic-sourced oils in Western Canada.

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Figure 31.19 View JPG

Figure 31.20

The thermal maturity of the Mannville based on vitrinite reflectance measurements on coal samples. The data are from the following sources: Tilley et al. (1989), Karst and White (1980), Kalkreuth and McMechan (1988), Haquebard (1977), Osadetz et al. (1991), England and Bustin (1986), and Esso Resources Canada Ltd. - file data.

Figure 31.21

Postulated petroleum migration pathways for the heavy oils of the Western Canada Sedimentary Basin.

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Figure 31.21 View JPG

Figure 31.22

The occurrence and maturity of the Second White Speckled Shale condensed section.

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Figure 31.22 View JPG

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.

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Figure 31.24 View JPG

Figure 31.25

Map of oil alteration in the Mannville Group of Western Canada.

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Figure 31.25 View JPG

Figure 31.26

Geochemical characteristics of Mannville oils showing various degrees of biodegradation. See text under Mannville Petroleum System.

Figure 31.27

General burial history for the Western Canada Sedimentary Basin.

Figure 31.28

Histograms of total initial oil-in-place by geological age, colour coded according to source rock.

Table 31.1 (as text) (as JPG)

Sterane compound identification key.

Table 31.2 (as text) (as JPG)

Terpane compound identification key.

Last modified: December 8, 2011