North Sea – Supra Paleocene plays
| Group/Formation | Age | Area | Reservoir rock | Depositional environment | Trap | Source rock | Critical factors | Examples of fields | Examples of discoveries | Examples exploration wells | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| neo/grid-1 | Hordaland Group with Grid Formation | Middle- to Late Eocene, Early Oligocene | Viking Graben and Utsira High | Sandstone | Deep marine | Combined stratigraphic and structural | Upper Jurassic shale (Draupne Formation) and Lower-Middle Jurassic shale and coal (Sleipner Formation) | Long distance migration, biodegradation |
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| neo/frigg-1 | Hordaland Group with Frigg Formation | Early Eocene | Viking Graben and western part of the Horda Platform | Sandstone | Deep marine | Combined stratigraphic and structural | Upper Jurassic shale (Draupne Formation) and Lower-Middle Jurassic shale and coal (Sleipner Formation) | Long distance migration, biodegradation |
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| nol-1 | Hordaland Group with Vade- and Grid Formation | Late Eocene – Oligocene | Danish-Norwegian Basin, Sørvestlandet High and eastern part of Central Graben. | Sandstone | Deep marine | Combined stratigraphic and structural | Upper and Middle Jurassic shale and coal (Bryne, Tau, Farsund and Mandal Formations) | Long distance migration, biodegradation |
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With Vade Formation: |
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| nmi-n | "Nanna"-, Skade- and Utsira Formation | Miocen and Early Pliocen | Viking Graben | Sandstone | Deep Marin | Compaction Domes, structural domes, stratigraphic punchouts and sedimentary pile structures. | Upper Jurassic shale (Draupne Formation and Heather Formation). | Long distance migration, biodegradation and seal. |
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