Tengiz oil field
E876090
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.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Tengiz oil field canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10617111 — 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: Tengiz oil field Context triple: [Atyrau, hasNearbyOilFields, Tengiz oil field]
-
A.
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.
-
B.
Baku oil fields
The Baku oil fields are a historically significant petroleum-producing region around Baku, Azerbaijan, that became one of the world’s earliest major oil centers and a key driver of industrial and geopolitical developments from the late 19th century onward.
-
C.
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.
-
D.
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.
-
E.
Zapolyarnoye gas field
Zapolyarnoye gas field is one of Russia’s largest natural gas fields, located in the Arctic region of western Siberia and operated primarily by Gazprom.
- 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: Tengiz oil field Target entity description: 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.
-
A.
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.
-
B.
Baku oil fields
The Baku oil fields are a historically significant petroleum-producing region around Baku, Azerbaijan, that became one of the world’s earliest major oil centers and a key driver of industrial and geopolitical developments from the late 19th century onward.
-
C.
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.
-
D.
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.
-
E.
Zapolyarnoye gas field
Zapolyarnoye gas field is one of Russia’s largest natural gas fields, located in the Arctic region of western Siberia and operated primarily by Gazprom.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf | oil field ⓘ |
| approximateReservoirDepth | about 4,000 to 5,000 meters ⓘ |
| ChevronStake | 50 percent (approximate) ⓘ |
| contains | sour crude ⓘ |
| country | Kazakhstan ⓘ |
| depthCategory | supergiant deep oil field ⓘ |
| developmentGoal | increase oil production capacity ⓘ |
| developmentProject | Future Growth Project – Wellhead Pressure Management Project NERFINISHED ⓘ |
| discovered | 1979 ⓘ |
| environmentalConcern | sulfur storage and handling ⓘ |
| estimatedOilInPlace | over 20 billion barrels ⓘ |
| estimatedRecoverableReserves | approximately 6 to 9 billion barrels of oil ⓘ |
| exportDestination | Black Sea port of Novorossiysk NERFINISHED ⓘ |
| exportRoute | Caspian Pipeline Consortium pipeline NERFINISHED ⓘ |
| ExxonMobilStake | 25 percent (approximate) ⓘ |
| geologicalFormation | carbonate reservoir ⓘ |
| impact | supports regional employment in Atyrau Region ⓘ |
| infrastructure |
export pipelines
ⓘ
gas injection facilities ⓘ processing plants ⓘ |
| jointVentureName | Tengizchevroil LLP NERFINISHED ⓘ |
| KazMunayGasStake | 20 percent (approximate) ⓘ |
| knownFor |
being one of the largest oil fields in Kazakhstan
ⓘ
being one of the world’s deepest producing oil fields ⓘ high hydrogen sulfide content in crude ⓘ |
| licenseType | production sharing agreement ⓘ |
| locatedIn |
Atyrau Region
NERFINISHED
ⓘ
western Kazakhstan NERFINISHED ⓘ |
| locatedNear | Caspian Sea NERFINISHED ⓘ |
| LukoilStake | 5 percent (approximate) ⓘ |
| majorPartner |
Chevron
NERFINISHED
ⓘ
ExxonMobil NERFINISHED ⓘ KazMunayGas NERFINISHED ⓘ Lukoil NERFINISHED ⓘ |
| onshoreOrOffshore | onshore ⓘ |
| operator | Tengizchevroil NERFINISHED ⓘ |
| ownershipStructure | joint venture ⓘ |
| produces |
associated gas
ⓘ
crude oil ⓘ sulfur ⓘ |
| productionType | conventional oil ⓘ |
| region | Caspian Basin NERFINISHED ⓘ |
| regulator | Government of Kazakhstan NERFINISHED ⓘ |
| requires | advanced sour gas handling technology ⓘ |
| significance |
key asset for Kazakhstan’s economy
ⓘ
major contributor to Kazakhstan’s oil production ⓘ |
| startOfProduction | 1991 ⓘ |
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: Tengiz oil field Description of subject: 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.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.