Digboi oil field
E173760
Digboi oil field is one of the oldest producing oil fields in the world, located in Assam, India, and historically significant as the site of early oil exploration in Asia.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Digboi | 8 |
| Digboi oil field canonical | 7 |
| Digboi town | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1517622 — 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: Digboi oil field Context triple: [Dibrugarh, hasNearbyOilField, Digboi oil field]
-
A.
Naharkatiya oil field
Naharkatiya oil field is one of the earliest and most significant onshore oil fields in Assam, India, contributing notably to the region’s petroleum industry.
-
B.
Jharia coalfield
Jharia coalfield is one of India’s largest and oldest coal mining regions, renowned for its rich coking coal reserves and long-standing underground coal fires.
-
C.
Raniganj coalfield
Raniganj coalfield is one of India’s oldest and most significant coal mining regions, located primarily in West Bengal and Jharkhand.
-
D.
Bokaro coalfield
Bokaro coalfield is a major coal-producing region in Jharkhand, India, known for its extensive reserves of high-quality coking coal that support the country’s steel and power industries.
-
E.
Belridge Oil Field
Belridge Oil Field is one of California’s largest and most productive oil fields, located in the San Joaquin Valley and known for its extensive heavy oil and enhanced recovery operations.
- 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: Digboi oil field Target entity description: Digboi oil field is one of the oldest producing oil fields in the world, located in Assam, India, and historically significant as the site of early oil exploration in Asia.
-
A.
Naharkatiya oil field
Naharkatiya oil field is one of the earliest and most significant onshore oil fields in Assam, India, contributing notably to the region’s petroleum industry.
-
B.
Jharia coalfield
Jharia coalfield is one of India’s largest and oldest coal mining regions, renowned for its rich coking coal reserves and long-standing underground coal fires.
-
C.
Raniganj coalfield
Raniganj coalfield is one of India’s oldest and most significant coal mining regions, located primarily in West Bengal and Jharkhand.
-
D.
Bokaro coalfield
Bokaro coalfield is a major coal-producing region in Jharkhand, India, known for its extensive reserves of high-quality coking coal that support the country’s steel and power industries.
-
E.
Belridge Oil Field
Belridge Oil Field is one of California’s largest and most productive oil fields, located in the San Joaquin Valley and known for its extensive heavy oil and enhanced recovery operations.
- F. None of above. chosen
Statements (43)
| Predicate | Object |
|---|---|
| instanceOf |
oil field
ⓘ
petroleum field ⓘ |
| associatedIndustry | Assam oil industry ⓘ |
| associatedWith |
development of Indian Oil Corporation
ⓘ
history of oil exploration in India ⓘ |
| continent | Asia ⓘ |
| contributesTo | regional economy of Assam ⓘ |
| country | India ⓘ |
| discovered | 1889 ⓘ |
| economicImpact | early center of petroleum industry in India ⓘ |
| formerOperator |
Assam Oil Company
ⓘ
Burmah Oil Company ⓘ |
| geologicalBasin | Assam–Arakan basin ⓘ |
| hasHeritageStatus | industrial heritage site of India ⓘ |
| hasInfrastructure |
oil wells
ⓘ
pipelines ⓘ storage tanks ⓘ |
| hasRefinery | Digboi refinery ⓘ |
| historicalEra | British colonial period ⓘ |
| knownFor |
early oil exploration in Asia
ⓘ
long history of continuous oil production ⓘ |
| locatedIn |
Assam
ⓘ
Digboi ⓘ
linked to:
Digboi oil field
Northeast India ⓘ Tinsukia district ⓘ |
| namedAfter | town of Digboi ⓘ |
| nearbyCity |
Dibrugarh
ⓘ
Tinsukia ⓘ |
| operator | Oil India Limited ⓘ |
| ownershipHistory | Assam Oil Company to Burmah Oil Company to Oil India Limited ⓘ |
| partOf | Indian petroleum sector ⓘ |
| product | petroleum products via Digboi refinery ⓘ |
| refineryOperator | Indian Oil Corporation ⓘ |
| refinerySignificance | one of the oldest operating oil refineries in the world ⓘ |
| refineryStartOfOperation | 1901 ⓘ |
| resource |
crude oil
ⓘ
natural gas ⓘ |
| sector | energy industry ⓘ |
| significance |
one of the earliest oil fields in Asia
ⓘ
one of the oldest continuously producing oil fields in the world ⓘ |
| startOfCommercialProduction | 1901 ⓘ |
| startOfProduction | 1890 ⓘ |
| technologyIntroducedBy | British engineers ⓘ |
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: Digboi oil field Description of subject: Digboi oil field is one of the oldest producing oil fields in the world, located in Assam, India, and historically significant as the site of early oil exploration in Asia.
Referenced by (16)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Digboi oil field
linked to: Digboi oil field
linked to: Digboi oil field
linked to: Digboi oil field
linked to: Digboi oil field
linked to: Digboi oil field
linked to: Digboi oil field
linked to: Digboi oil field
linked to: Digboi oil field