Occidental Petroleum
E741339
Occidental Petroleum is a major American oil and gas exploration and production company known for its global operations and high-profile leadership under industrialist Armand Hammer.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Occidental Petroleum canonical | 6 |
| Occidental Oil and Gas | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8546207 — 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: Occidental Petroleum Context triple: [Armand Hammer, employer, Occidental Petroleum]
-
A.
ConocoPhillips
ConocoPhillips is a major American multinational energy corporation primarily engaged in the exploration, production, transportation, and marketing of crude oil, natural gas, and related products worldwide.
-
B.
Chevron Corporation
Chevron Corporation is one of the world’s largest integrated oil and gas companies, involved in exploration, production, refining, and marketing of petroleum and related energy products globally.
-
C.
Exxon
Exxon is a major American multinational oil and gas corporation known for its global energy production, refining, and petrochemical operations.
-
D.
BP Exploration Operating Company
BP Exploration Operating Company is a subsidiary of BP responsible for managing and operating the group’s oil and gas exploration and production activities in various regions.
-
E.
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.
- 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: Occidental Petroleum Target entity description: Occidental Petroleum is a major American oil and gas exploration and production company known for its global operations and high-profile leadership under industrialist Armand Hammer.
-
A.
ConocoPhillips
ConocoPhillips is a major American multinational energy corporation primarily engaged in the exploration, production, transportation, and marketing of crude oil, natural gas, and related products worldwide.
-
B.
Chevron Corporation
Chevron Corporation is one of the world’s largest integrated oil and gas companies, involved in exploration, production, refining, and marketing of petroleum and related energy products globally.
-
C.
Exxon
Exxon is a major American multinational oil and gas corporation known for its global energy production, refining, and petrochemical operations.
-
D.
BP Exploration Operating Company
BP Exploration Operating Company is a subsidiary of BP responsible for managing and operating the group’s oil and gas exploration and production activities in various regions.
-
E.
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.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
oil and gas company
ⓘ
public company ⓘ |
| acquired | Anadarko Petroleum ⓘ |
| acquisitionYear | 2019 ⓘ |
| businessModel | exploration and production ⓘ |
| collaboratesOn | carbon capture and storage projects ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| engagesIn |
chemical production
ⓘ
hydrocarbon exploration ⓘ natural gas production ⓘ oil production ⓘ |
| focusesOn |
enhanced oil recovery
ⓘ
low-carbon technologies ⓘ |
| formerHeadquartersLocation | Los Angeles, California ⓘ |
| foundedBy | Armand Hammer ⓘ |
| foundedIn | 1920 ⓘ |
| hasBrandName |
Oxy
ⓘ
linked to:
OXY
|
| hasDivision |
Occidental Oil and Gas
ⓘ
linked to:
Occidental Petroleum
Oxy Low Carbon Ventures ⓘ |
| hasHistoricalLeader | Armand Hammer ⓘ |
| hasKeyPerson | Vicki Hollub ⓘ |
| hasSubsidiary | OxyChem ⓘ |
| headquartersLocation |
Houston, Texas
ⓘ
linked to:
Houston
|
| industry |
energy
ⓘ
oil and gas ⓘ |
| isOneOf | largest U.S. oil producers ⓘ |
| keyPersonRole | chief executive officer ⓘ |
| knownFor |
global operations
ⓘ
high-profile corporate leadership ⓘ |
| legalForm | corporation ⓘ |
| listedOn | New York Stock Exchange ⓘ |
| majorShareholder | Berkshire Hathaway ⓘ |
| notableLeader | Armand Hammer ⓘ |
| operatesInCountry |
United States
ⓘ
linked to:
United States of America
|
| operatesInRegion |
DJ Basin
ⓘ
Middle East ⓘ North Africa ⓘ Permian Basin ⓘ |
| operatesInSector |
chemical manufacturing
ⓘ
midstream oil and gas ⓘ upstream oil and gas ⓘ |
| product |
crude oil
ⓘ
natural gas ⓘ natural gas liquids ⓘ petrochemicals ⓘ |
| tickerSymbol | OXY ⓘ |
| tradesInCurrency | US dollar ⓘ |
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: Occidental Petroleum Description of subject: Occidental Petroleum is a major American oil and gas exploration and production company known for its global operations and high-profile leadership under industrialist Armand Hammer.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Occidental Petroleum