Marathon Oil
E388092
Marathon Oil is a major American independent energy company focused on the exploration, production, and marketing of oil and natural gas.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Marathon Oil canonical | 3 |
| Marathon Oil Company | 2 |
| Marathon Oil (after reorganization) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3778711 — 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: Marathon Oil Context triple: [Standard Oil, successor, Marathon Oil]
-
A.
Halliburton
Halliburton is a major American multinational corporation that provides products and services to the oil and gas industry worldwide.
-
B.
Oil Center
Oil Center is a small unincorporated community in Lea County, New Mexico, historically associated with the region’s petroleum industry.
-
C.
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.
-
D.
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.
-
E.
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.
- 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: Marathon Oil Target entity description: Marathon Oil is a major American independent energy company focused on the exploration, production, and marketing of oil and natural gas.
-
A.
Halliburton
Halliburton is a major American multinational corporation that provides products and services to the oil and gas industry worldwide.
-
B.
Oil Center
Oil Center is a small unincorporated community in Lea County, New Mexico, historically associated with the region’s petroleum industry.
-
C.
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.
-
D.
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.
-
E.
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.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
energy company
ⓘ
independent exploration and production company ⓘ oil and gas company ⓘ public company ⓘ |
| businessModel | independent exploration and production ⓘ |
| businessSegment |
exploration and production
ⓘ
marketing of oil and gas ⓘ |
| coreBusiness |
exploration of oil and natural gas
ⓘ
marketing of oil and natural gas ⓘ production of oil and natural gas ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| focus |
U.S. shale plays
ⓘ
unconventional resource plays ⓘ |
| formerName |
Marathon Oil Company
ⓘ
linked to:
Marathon Oil
The Ohio Oil Company ⓘ |
| foundedAs | The Ohio Oil Company ⓘ |
| hasAbbreviation | MRO ⓘ |
| hasAssetType |
drilling rights
ⓘ
natural gas reserves ⓘ oil reserves ⓘ production facilities ⓘ |
| hasCompetitor |
ConocoPhillips
ⓘ
Devon Energy ⓘ
linked to:
EOG Resources
EOG Resources ⓘ Pioneer Natural Resources ⓘ |
| headquartersLocation |
Houston, Texas
ⓘ
linked to:
Houston, Texas, United States
|
| industry |
energy
ⓘ
oil and gas ⓘ |
| isMajor | true ⓘ |
| legalForm | corporation ⓘ |
| listedOn | New York Stock Exchange ⓘ |
| operatesInCountry |
United States
ⓘ
linked to:
United States of America
|
| operatesInSector | upstream oil and gas ⓘ |
| parentCompanyOf | Marathon Oil Corporation subsidiaries ⓘ |
| product |
crude oil
ⓘ
natural gas ⓘ natural gas liquids ⓘ |
| regulatoryEnvironment | U.S. energy regulation ⓘ |
| riskProfile | commodity price exposure ⓘ |
| separatedFrom | Marathon Petroleum Corporation ⓘ |
| service |
hydrocarbon exploration
ⓘ
marketing of hydrocarbons ⓘ oil and gas production ⓘ |
| subjectTo |
commodity price volatility
ⓘ
environmental regulations ⓘ geopolitical risk in energy markets ⓘ |
| tradedAs | NYSE:MRO ⓘ |
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: Marathon Oil Description of subject: Marathon Oil is a major American independent energy company focused on the exploration, production, and marketing of oil and natural gas.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Marathon Oil
linked to: Marathon Oil
linked to: Marathon Oil