Norwegian Sea – Upper Triassic to Middle Jurassic plays
Group/Formation | Age | Area | Reservoir rock | Depositional environment | Trap | Source rock | Critical factors | Examples of fields | Examples of discoveries | Examples exploration wells | |
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nhjl,jm-1 | Undifferentiated | Undifferentiated | Ribban Basin, Vestfjorden Basin, Utrøst Ridge, Træna Basin, Harstad Basin | Sandstone | Coastal, deltaic and shallow marine | Rotated fault blocks | Upper Jurassic shale (Spekk Formation) and Upper Triassic to Lower Jurassic coal beds (Åre Formation) | Reservoir quality, sufficient mature source rock and migration, uplift and erosion. |
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nhjl,jm-2 | Båt Group with Åre, Tilje, Tofte and Ror Formations, Fangst Group with Ile, Not and Garn Formations | Rhaetian - Bathonian | Halten Terrace, Nordland Ridge, Dønna Terrace, Revfallet Fault Complex | Sandstone | Coastal, deltaic and shallow marine | Rotated fault blocks | Upper Jurassic shale (Spekk Formation) and Upper Triassic to Lower Jurassic coal beds (Åre Formation) | Reservoir quality, migration, seal integrity due to high reservoir pressure. |
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nhjl,jm-3 (unconfirmed) | Båt and Fangst Groups | Rhaetian - Bathonian | Helgeland Basin, Trøndelag Platform | Sandstone | Coastal, deltaic and shallow marine | Rotated fault blocks | Upper Triassic to Lower Jurassic coal beds (Åre Formation) and possibly older source rocks (Permian - ref. stratigraphic borehole 6611/9-U-1, Devonian) | Sufficient mature source rock, uplift and erosion. |
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