| Beaufortian Upper Jurassic Topset Northeast Play | Beaufortian Upper Jurassic Topset Northwest Play |
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| Brookian Clinoform North Play | Brookian Clinoform Central Play |
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| Figure 6. Maps of petroleum plays with histograms showing the expected (mean) numbers of undiscovered petroleum accumulations estimated to exist in various size categories of technically recoverable oil resources in the four plays estimated to hold the greatest oil potential in NPRA. About 80% of the technically recoverable oil resources, on the basis of the mean estimate, are thought to occur in northern NPRA within these four plays. These plays are westward continuations of geologic trends that host the Alpine and Fiord oil pools (A, B ) and the Tarn, Meltwater, and Nanuq oil pools (C, D ), just east of NPRA (fig. 2). | |
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