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North Sea – Upper Triassic to Middle Jurassic plays

North 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
nru,jm-1 Hegre Group with Lunde Formation, Statfjord gp, Dunlin Group with Amundsen and Cook Formations, Brent Group with Broom, Etive, Rannoch, Oseberg, Ness and Tarbert Formations Norian - Callovian Møre Basin, Tampen Spur, Lomre Terrace, Sogn Graben, Horda Platform, northern Viking Graben, Utsira High Sandstone Fluvial, deltaic and shallow marine Structural, rotated fault blocks, occasionally with stratigraphic component, sealing faults Upper Jurassic shale (Draupne, Heather, Tau, Farsund and Mandal Formations) and Middle Jurassic shale and coal (Gassum, Bryne, Ness and Sleipner Formations, possible Drake Formation Mature source rock in Farsund Basin

njl,jm-1 Hegre Group with Skagerrak Formation, parts of Statfjord Group, Vestland Group with Sleipner and Hugin Formations Norian - Callovian Southern Viking Graben, Utsira High, Ling Depression, Jæren High Sandstone Fluvial, deltaic and shallow marine Structural, rotated fault blocks, occasionally with stratigraphic component, sealing faults Upper Jurassic shale (Draupne, Heather, Tau, Farsund and Mandal Formations) and Middle Jurassic shale and coal (Gassum, Bryne, Ness and Sleipner Formations, possible Drake Formation Mature source rock in Farsund Basin

njm-1 Vestland Group with Bryne and Sandnes Formations Baijocian - Callovian Egersund Basin Sandstone Fluvial, deltaic and shallow marine Structural, rotated fault blocks, occasionally with stratigraphic component, sealing faults Upper Jurassic shale (Draupne, Heather, Tau, Farsund and Mandal Formations) and Middle Jurassic shale and coal (Gassum, Bryne, Ness and Sleipner Formations, possible Drake Formation Mature source rock in Farsund Basin
njl,jm-4 Hegre Group with Skagerak Formations, Gassum Formation, Vestland Group with Bryne Formations Rhaetian - Bathonian Central Graben Sandstone Fluvial, deltaic and shallow marine Structural, rotated fault blocks, occasionally with stratigraphic component, sealing faults Upper Jurassic shale (Draupne, Heather, Tau, Farsund and Mandal Formations) and Middle Jurassic shale and coal (Gassum, Bryne, Ness and Sleipner Formations, possible Drake Formation Mature source rock in Farsund Basin