Numaligarh Refinery Limited
E686192
Numaligarh Refinery Limited is a public sector oil refinery company in India known for operating the Numaligarh Refinery in Assam and producing a range of petroleum products.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Numaligarh Refinery Limited canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7733364 — 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: Numaligarh Refinery Limited Context triple: [Dibrugarh district, hasCompanyPresence, Numaligarh Refinery Limited]
-
A.
Indian Oil Corporation
Indian Oil Corporation is India’s largest state-owned oil and gas company, engaged in refining, transporting, and marketing petroleum products across the country and abroad.
-
B.
Oil India Limited
Oil India Limited is a major Indian state-owned oil and gas company engaged in the exploration, production, and transportation of crude oil and natural gas.
-
C.
Jamnagar refinery complex
The Jamnagar refinery complex is one of the world’s largest oil refining hubs, located in western India and operated primarily by Reliance Industries.
-
D.
Assam Oil Company
Assam Oil Company was a historic petroleum exploration and production company in India, known for pioneering oil operations in the Assam region during the early 20th century.
-
E.
Digboi refinery
Digboi refinery is one of India’s oldest oil refineries, historically significant for processing crude from the pioneering Digboi oil field in Assam.
- 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: Numaligarh Refinery Limited Target entity description: Numaligarh Refinery Limited is a public sector oil refinery company in India known for operating the Numaligarh Refinery in Assam and producing a range of petroleum products.
-
A.
Indian Oil Corporation
Indian Oil Corporation is India’s largest state-owned oil and gas company, engaged in refining, transporting, and marketing petroleum products across the country and abroad.
-
B.
Oil India Limited
Oil India Limited is a major Indian state-owned oil and gas company engaged in the exploration, production, and transportation of crude oil and natural gas.
-
C.
Jamnagar refinery complex
The Jamnagar refinery complex is one of the world’s largest oil refining hubs, located in western India and operated primarily by Reliance Industries.
-
D.
Assam Oil Company
Assam Oil Company was a historic petroleum exploration and production company in India, known for pioneering oil operations in the Assam region during the early 20th century.
-
E.
Digboi refinery
Digboi refinery is one of India’s oldest oil refineries, historically significant for processing crude from the pioneering Digboi oil field in Assam.
- F. None of above. chosen
Statements (40)
| Predicate | Object |
|---|---|
| instanceOf |
company
ⓘ
oil refining company ⓘ public sector undertaking ⓘ |
| country | India ⓘ |
| hasAward | Navratna PSU status ⓘ |
| hasCSRActivity |
community development in nearby villages
ⓘ
education support programs in Assam ⓘ healthcare initiatives in Assam ⓘ |
| hasEnvironmentalInitiative | green belt development around refinery ⓘ |
| hasPipelineProject |
Numaligarh–Bongaigaon product pipeline
NERFINISHED
ⓘ
Numaligarh–Silghat crude oil pipeline NERFINISHED ⓘ |
| hasProject | refinery expansion project in Assam ⓘ |
| hasRefiningCapacity | 3 million metric tonnes per annum ⓘ |
| hasSubsidiary | NRL Siliguri Marketing Terminal NERFINISHED ⓘ |
| headquartersLocation |
Assam
NERFINISHED
ⓘ
Golaghat district NERFINISHED ⓘ Numaligarh NERFINISHED ⓘ |
| inception | 1993 ⓘ |
| industry |
oil and gas
ⓘ
petroleum refining ⓘ |
| locatedIn | Assam ⓘ |
| operates | Numaligarh Refinery NERFINISHED ⓘ |
| ownedBy |
Government of Assam
NERFINISHED
ⓘ
Government of India ⓘ Oil India Limited NERFINISHED ⓘ |
| parentOrganization | Oil India Limited NERFINISHED ⓘ |
| product |
LPG
NERFINISHED
ⓘ
aviation turbine fuel ⓘ high speed diesel ⓘ kerosene ⓘ motor spirit ⓘ naphtha ⓘ paraffin wax ⓘ petroleum coke ⓘ sulphur ⓘ |
| regionServed |
Eastern India
NERFINISHED
ⓘ
North East India NERFINISHED ⓘ |
| sector | public sector ⓘ |
| startOfOperations | 1999 ⓘ |
| website | https://www.nrl.co.in/ ⓘ |
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: Numaligarh Refinery Limited Description of subject: Numaligarh Refinery Limited is a public sector oil refinery company in India known for operating the Numaligarh Refinery in Assam and producing a range of petroleum products.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.