Belridge Oil Company
E615898
Belridge Oil Company was a major California-based petroleum firm known for developing and operating significant oil fields before being acquired by Shell Oil in the late 20th century.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Belridge Oil Company canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6706548 — 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: Belridge Oil Company Context triple: [Belridge Oil Field, formerOperator, Belridge Oil Company]
-
A.
Kerr-McGee Oil Industries
Kerr-McGee Oil Industries was a major American energy company involved in oil and gas exploration, production, and chemical manufacturing before its acquisition by Anadarko Petroleum in 2006.
-
B.
Doheny Oil Company
Doheny Oil Company was an early 20th-century American petroleum firm established by oil tycoon Edward L. Doheny, a key figure in the development of the U.S. oil industry.
-
C.
Phillips Petroleum Company
Phillips Petroleum Company was a major American oil and gas company, founded in 1917, that grew into a leading integrated energy corporation before merging with Conoco to form ConocoPhillips.
-
D.
Continental Oil Company
Continental Oil Company was a major American petroleum company that emerged as one of the successor firms to the dissolved Standard Oil trust and later became known as Conoco.
-
E.
Sinclair Oil Corporation
Sinclair Oil Corporation is an American petroleum company best known for its dinosaur logo and network of gas stations and refineries across the United States.
- 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: Belridge Oil Company Target entity description: Belridge Oil Company was a major California-based petroleum firm known for developing and operating significant oil fields before being acquired by Shell Oil in the late 20th century.
-
A.
Kerr-McGee Oil Industries
Kerr-McGee Oil Industries was a major American energy company involved in oil and gas exploration, production, and chemical manufacturing before its acquisition by Anadarko Petroleum in 2006.
-
B.
Doheny Oil Company
Doheny Oil Company was an early 20th-century American petroleum firm established by oil tycoon Edward L. Doheny, a key figure in the development of the U.S. oil industry.
-
C.
Phillips Petroleum Company
Phillips Petroleum Company was a major American oil and gas company, founded in 1917, that grew into a leading integrated energy corporation before merging with Conoco to form ConocoPhillips.
-
D.
Continental Oil Company
Continental Oil Company was a major American petroleum company that emerged as one of the successor firms to the dissolved Standard Oil trust and later became known as Conoco.
-
E.
Sinclair Oil Corporation
Sinclair Oil Corporation is an American petroleum company best known for its dinosaur logo and network of gas stations and refineries across the United States.
- F. None of above. chosen
Statements (24)
| Predicate | Object |
|---|---|
| instanceOf |
oil company
ⓘ
petroleum company ⓘ |
| acquiredBy | Shell Oil Company ⓘ |
| acquisitionPeriod | late 20th century ⓘ |
| businessActivity |
oil exploration
ⓘ
oil field development ⓘ oil production ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| hasSuccessor | Shell Oil Company ⓘ |
| headquartersLocation |
California
ⓘ
linked to:
California, United States
|
| industry |
oil and gas
ⓘ
petroleum industry ⓘ |
| knownFor |
developing oil fields in California
ⓘ
operating significant oil fields ⓘ |
| locatedIn |
California
ⓘ
linked to:
California, United States
|
| notableFor | role in California petroleum development ⓘ |
| operatedAssetType | oil fields ⓘ |
| operatedIn |
California
ⓘ
linked to:
California, United States
|
| parentCompany | Shell Oil Company ⓘ |
| regionServed |
California
ⓘ
linked to:
California, United States
United States ⓘ
linked to:
United States of America
|
| sector | energy ⓘ |
| status | defunct ⓘ |
| type | privately held company ⓘ |
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: Belridge Oil Company Description of subject: Belridge Oil Company was a major California-based petroleum firm known for developing and operating significant oil fields before being acquired by Shell Oil in the late 20th century.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.