Tatneft
E294237
Tatneft is a major Russian oil and gas company headquartered in the Republic of Tatarstan and among the country’s largest vertically integrated energy producers.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Tatneft canonical | 2 |
| Tatneft-AZS | 1 |
| Tatneft-Active | 1 |
| Tatneft-Trans | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2739887 — 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: Tatneft Context triple: [Tatarstan, hasCompany, Tatneft]
-
A.
Bashneft
Bashneft is a major Russian oil company involved in the exploration, production, and refining of hydrocarbons.
-
B.
Rosneftegaz
Rosneftegaz is a Russian state-owned holding company that historically managed the government’s stakes in major oil and gas enterprises, including what became Rosneft.
-
C.
Rosneft
Rosneft is a major Russian state-controlled oil company and one of the world’s largest publicly traded petroleum producers.
-
D.
Gazprom
Gazprom is a Russian state-controlled energy giant and one of the world’s largest producers and exporters of natural gas.
-
E.
Gazpromavia
Gazpromavia is a Russian airline owned by the energy company Gazprom, operating passenger and cargo flights as well as corporate and charter services, particularly in support of the oil and gas industry.
- 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: Tatneft Target entity description: Tatneft is a major Russian oil and gas company headquartered in the Republic of Tatarstan and among the country’s largest vertically integrated energy producers.
-
A.
Bashneft
Bashneft is a major Russian oil company involved in the exploration, production, and refining of hydrocarbons.
-
B.
Rosneftegaz
Rosneftegaz is a Russian state-owned holding company that historically managed the government’s stakes in major oil and gas enterprises, including what became Rosneft.
-
C.
Rosneft
Rosneft is a major Russian state-controlled oil company and one of the world’s largest publicly traded petroleum producers.
-
D.
Gazprom
Gazprom is a Russian state-controlled energy giant and one of the world’s largest producers and exporters of natural gas.
-
E.
Gazpromavia
Gazpromavia is a Russian airline owned by the energy company Gazprom, operating passenger and cargo flights as well as corporate and charter services, particularly in support of the oil and gas industry.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
oil and gas company
ⓘ
public company ⓘ vertically integrated oil company ⓘ |
| coreActivity |
fuel retailing
ⓘ
oil exploration ⓘ oil production ⓘ oil refining ⓘ petrochemical manufacturing ⓘ |
| country | Russia ⓘ |
| employs | tens of thousands of employees ⓘ |
| environmentalFocus |
associated petroleum gas utilization
ⓘ
energy efficiency programs ⓘ |
| foundedBy | Soviet Union authorities ⓘ |
| hasRefinery | TANECO complex ⓘ |
| hasSubsidiary |
Tatneft
self-linksurface differs
ⓘ
surface form:
Tatneft-AZS
Tatneft self-linksurface differs ⓘ
surface form:
Tatneft-Active
Tatneft-Neftekhim ⓘ Tatneft-RemServis ⓘ Tatneft self-linksurface differs ⓘ
surface form:
Tatneft-Trans
|
| headquartersLocation | Almetyevsk ⓘ |
| headquartersRegion |
Tatarstan
ⓘ
surface form:
Republic of Tatarstan
|
| inception | 1950 ⓘ |
| industry |
fuel retail
ⓘ
oil and gas ⓘ petrochemicals ⓘ |
| isAmong |
largest oil companies in Russia
ⓘ
largest vertically integrated energy producers in Russia ⓘ |
| languageOfWork | Russian ⓘ |
| legalForm | public joint-stock company ⓘ |
| locatedInTimeZone | Moscow Time ⓘ |
| mainProduct |
crude oil
ⓘ
natural gas ⓘ petrochemical products ⓘ petroleum products ⓘ |
| majorField | Romashkino oil field ⓘ |
| operatesInSector |
downstream oil and gas
ⓘ
midstream oil and gas ⓘ upstream oil and gas ⓘ |
| owner |
Tatarstan
ⓘ
surface form:
Republic of Tatarstan
|
| partOf | fuel and energy complex of Russia ⓘ |
| regionServed |
Tatarstan
ⓘ
surface form:
Republic of Tatarstan
|
| serviceArea |
CIS countries
ⓘ
Russia ⓘ |
| stockExchangeListing | Moscow Exchange ⓘ |
| tickerSymbol | TATN ⓘ |
| website | https://www.tatneft.ru ⓘ |
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: Tatneft Description of subject: Tatneft is a major Russian oil and gas company headquartered in the Republic of Tatarstan and among the country’s largest vertically integrated energy producers.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Tatneft-AZS
this entity surface form:
Tatneft-Trans
this entity surface form:
Tatneft-Active