Kashagan oil field
E877019
The Kashagan oil field is one of the world’s largest offshore oil fields, located in the Caspian Sea off Kazakhstan and known for its challenging high-pressure, high-sulfur conditions and massive reserves.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Kashagan oil field canonical | 1 |
| Kashagan oil field (offshore area adjacent) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10617112 — 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: Kashagan oil field Context triple: [Atyrau, hasNearbyOilFields, Kashagan oil field]
-
A.
Tengiz oil field
Tengiz oil field is one of the world’s deepest and largest oil fields, located in western Kazakhstan near the Caspian Sea and known for its significant role in the country’s oil production.
-
B.
Urengoy gas field
The Urengoy gas field is one of the world’s largest natural gas fields, located in northern Russia and serving as a major source of gas for both domestic use and export.
-
C.
Yamburg gas field
Yamburg gas field is one of the world’s largest natural gas fields, located in northern Russia and serving as a major source of gas production for the country.
-
D.
Kirkuk oil field
The Kirkuk oil field is one of Iraq’s largest and oldest producing oil fields, located in the northern region near the city of Kirkuk and known for its substantial petroleum reserves.
-
E.
Vankor oil field
Vankor oil field is a major Russian oil and gas field in Eastern Siberia that serves as one of Rosneft’s largest and most strategically important production assets.
- 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: Kashagan oil field Target entity description: The Kashagan oil field is one of the world’s largest offshore oil fields, located in the Caspian Sea off Kazakhstan and known for its challenging high-pressure, high-sulfur conditions and massive reserves.
-
A.
Tengiz oil field
Tengiz oil field is one of the world’s deepest and largest oil fields, located in western Kazakhstan near the Caspian Sea and known for its significant role in the country’s oil production.
-
B.
Urengoy gas field
The Urengoy gas field is one of the world’s largest natural gas fields, located in northern Russia and serving as a major source of gas for both domestic use and export.
-
C.
Yamburg gas field
Yamburg gas field is one of the world’s largest natural gas fields, located in northern Russia and serving as a major source of gas production for the country.
-
D.
Kirkuk oil field
The Kirkuk oil field is one of Iraq’s largest and oldest producing oil fields, located in the northern region near the city of Kirkuk and known for its substantial petroleum reserves.
-
E.
Vankor oil field
Vankor oil field is a major Russian oil and gas field in Eastern Siberia that serves as one of Rosneft’s largest and most strategically important production assets.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf | offshore oil field ⓘ |
| basin |
Caspian Basin
ⓘ
linked to:
Caspian Sea drainage basin
|
| climate | harsh winter conditions ⓘ |
| containsResource |
crude oil
ⓘ
natural gas ⓘ |
| continent | Asia ⓘ |
| country | Kazakhstan ⓘ |
| countryOfLicense | Kazakhstan ⓘ |
| developmentType |
artificial islands
ⓘ
offshore platforms ⓘ |
| discovered | 2000 ⓘ |
| environment | offshore ⓘ |
| estimatedOilInPlace | 30–40 billion barrels of oil ⓘ |
| estimatedRecoverableReserves | 9–13 billion barrels of oil ⓘ |
| exportRoute |
Caspian Pipeline Consortium
ⓘ
linked to:
Caspian Pipeline Consortium pipeline
Kazakhstan domestic pipeline network ⓘ |
| formerOperator | Agip KCO ⓘ |
| geologicalAge |
Carboniferous
ⓘ
Devonian ⓘ |
| hydrogenSulfideContent | high sulfur ⓘ |
| issue | pipeline leaks due to sulfur-induced corrosion ⓘ |
| knownFor |
delays and cost overruns
ⓘ
high development costs ⓘ technical complexity ⓘ |
| locatedIn | Caspian Sea ⓘ |
| locatedInBodyOfWater |
North Caspian Sea
ⓘ
linked to:
Northern Caspian
|
| locatedOffshoreFrom | Kazakhstan ⓘ |
| namedAfter | Kashagan Kurzhimanuly ⓘ |
| operator | North Caspian Operating Company ⓘ |
| partner |
CNPC
ⓘ
linked to:
China National Petroleum Corporation
Eni ⓘ ExxonMobil ⓘ
linked to:
Exxon
Inpex ⓘ
linked to:
Inpex Corporation
KazMunayGas ⓘ Royal Dutch Shell ⓘ TotalEnergies ⓘ |
| pipelineExport | onshore processing facilities in Kazakhstan ⓘ |
| projectCost | tens of billions of US dollars ⓘ |
| rank | one of the largest oil field discoveries since 1960s ⓘ |
| regulator | Government of Kazakhstan ⓘ |
| reservoirPressure | high pressure ⓘ |
| reservoirTemperature | high temperature ⓘ |
| reservoirType | carbonate reservoir ⓘ |
| resumedProduction | 2016 ⓘ |
| seaCondition | seasonal ice cover ⓘ |
| shutIn | 2013 ⓘ |
| startOfProduction | 2013 ⓘ |
| strategicImportance | major contributor to Kazakhstan oil production ⓘ |
| waterDepth | shallow water ⓘ |
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: Kashagan oil field Description of subject: The Kashagan oil field is one of the world’s largest offshore oil fields, located in the Caspian Sea off Kazakhstan and known for its challenging high-pressure, high-sulfur conditions and massive reserves.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Kashagan oil field