North Sea - Upper Jurassic plays
|
|
|
North Sea - Upper Jurassic plays
Map
|
nju-1
|
nju-2
|
nju-3
|
Group/ Formation
|
Viking Group with Heather, Krossfjord, Fensfjord and Sognefjord Formations
|
Viking Group with intra Draupne and intra Heather Formations
|
Vestland Group with Ula Formation, Tyne Group with Eldfisk and Farsund Formations, Viking Group with intra Draupne, intra Heather and Brae Formations
|
Age
|
Bajocian - Barriasian?
|
Oxfordian - Barriasian
|
Area
|
Sogn Graben, Horda Platform, Stord Basin, northern part of Viking Graben and Øygarden Fault Complex
|
Tampen Spur, Sogn Graben and northern part of Viking Graben
|
Central Graben and southern part of Viking Graben
|
Reservoir rock
|
Sandstone
|
Depositional environment
|
Marginal to shallow marine and deep water
|
Trap
|
Stratigraphic and structural, rotated fault blocks
|
Source rock
|
The main source rock is Upper Jurassic shale (Draupne and Mandal Formations). The oil discovery 2/2-5 (NJU-3) is sourced from an unknown, possible Pre Triassic source rock
|
Critical factors
|
Migration to the eastern part of the play
|
Presence of reservoir and seal
|
Presence of reservoir
|
Link to examples of fields
|
|
|
|
Link to examples of discoveries
|
|
|
|


12.08.2014