Viking Graben
E708490
Viking Graben is a major offshore sedimentary basin and hydrocarbon-rich rift valley located in the northern North Sea.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Viking Graben canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8033330 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Viking Graben Context triple: [North Sea rift system, contains, Viking Graben]
-
A.
Central Graben
The Central Graben is a major North Sea rift basin known for its significant hydrocarbon reserves and complex extensional tectonic history.
-
B.
Rhine Graben
The Rhine Graben is a major rift valley in western Europe forming part of the European Cenozoic Rift System, lying between the Vosges in France and the Black Forest in Germany.
-
C.
Bornholm Basin
Bornholm Basin is a deep, low-oxygen sub-basin in the southern Baltic Sea that plays a key role in the region’s water exchange and marine ecology.
-
D.
Graben
Graben is a famous and historic pedestrian street in the center of Vienna, Austria, known for its upscale shops, cafes, and notable Baroque monuments.
-
E.
Ofotfjord basin
The Ofotfjord basin is a geological and hydrological region in northern Norway centered around the Ofotfjord, encompassing its surrounding valleys, rivers, and catchment areas.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Viking Graben Target entity description: Viking Graben is a major offshore sedimentary basin and hydrocarbon-rich rift valley located in the northern North Sea.
-
A.
Central Graben
The Central Graben is a major North Sea rift basin known for its significant hydrocarbon reserves and complex extensional tectonic history.
-
B.
Rhine Graben
The Rhine Graben is a major rift valley in western Europe forming part of the European Cenozoic Rift System, lying between the Vosges in France and the Black Forest in Germany.
-
C.
Bornholm Basin
Bornholm Basin is a deep, low-oxygen sub-basin in the southern Baltic Sea that plays a key role in the region’s water exchange and marine ecology.
-
D.
Graben
Graben is a famous and historic pedestrian street in the center of Vienna, Austria, known for its upscale shops, cafes, and notable Baroque monuments.
-
E.
Ofotfjord basin
The Ofotfjord basin is a geological and hydrological region in northern Norway centered around the Ofotfjord, encompassing its surrounding valleys, rivers, and catchment areas.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
hydrocarbon province
ⓘ
rift valley ⓘ sedimentary basin ⓘ |
| boundedBy | major normal faults ⓘ |
| containsResource |
condensate
ⓘ
natural gas ⓘ oil ⓘ |
| countryBorder |
Norway
ⓘ
United Kingdom ⓘ |
| developedForOffshoreProductionIn | 1970s ⓘ |
| discoveredAsHydrocarbonProvinceIn | 1960s ⓘ |
| extendsFrom | Shetland Platform ⓘ |
| extendsTo | Norwegian margin ⓘ |
| filledBy |
Cenozoic sedimentary rocks
ⓘ
Mesozoic sedimentary rocks ⓘ |
| geologicalAge |
Cretaceous
ⓘ
Jurassic ⓘ Mesozoic ⓘ |
| hasHydrocarbonSystemElement |
reservoir rocks
ⓘ
seals ⓘ source rocks ⓘ traps ⓘ |
| hasNeighboringBasin |
Moray Firth Basin
ⓘ
Sogn Graben ⓘ Tampen Spur ⓘ |
| hasStructuralStyle |
normal faults
ⓘ
tilted fault blocks ⓘ |
| hasSubfeature |
Brent area
ⓘ
linked to:
North Sea gas fields
Gullfaks area ⓘ
linked to:
Gullfaks
Oseberg area ⓘ Statfjord area ⓘ
linked to:
Statfjord
|
| isImportantFor |
European gas supply
ⓘ
European oil supply ⓘ |
| isMajor | hydrocarbon-producing province in the North Sea ⓘ |
| locatedIn |
North Sea
ⓘ
northern North Sea ⓘ offshore Norway ⓘ offshore United Kingdom ⓘ |
| mainReservoirAge |
Middle Jurassic
ⓘ
Upper Jurassic ⓘ |
| mainReservoirLithology | sandstone ⓘ |
| mainSourceRock | Kimmeridge Clay Formation equivalents ⓘ |
| mainTectonicPhase | Late Jurassic rifting ⓘ |
| orientation | north–south to northeast–southwest ⓘ |
| partOf |
North Atlantic rift system
ⓘ
linked to:
East Greenland Rift System
North Sea Basin ⓘ
linked to:
North Sea
North Sea rift system ⓘ |
| tectonicSetting | extensional rift basin ⓘ |
| waterDepthRange | approximately 100–200 metres ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Viking Graben Description of subject: Viking Graben is a major offshore sedimentary basin and hydrocarbon-rich rift valley located in the northern North Sea.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.