Campos Basin oil fields
E882211
The Campos Basin oil fields are a major offshore petroleum-producing region off the coast of Brazil, central to the country’s oil industry and economic development.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Campos Basin oil fields canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T10722765 — 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: Campos Basin oil fields Context triple: [Macaé, connectedToIndustry, Campos Basin oil fields]
-
A.
Buena Vista Oil Field
Buena Vista Oil Field is a major historic petroleum-producing area in Kern County, California, that significantly contributed to the region’s early 20th-century oil boom.
-
B.
Sabunchi oil field
The Sabunchi oil field is a historic petroleum-producing area in the Baku region of Azerbaijan that was developed and operated by the Nobel Brothers’ oil company, Branobel, during the late 19th and early 20th centuries.
-
C.
Eastern Province oil fields
The Eastern Province oil fields are a major cluster of petroleum-producing sites in Saudi Arabia that form the core of the country’s vast oil industry.
-
D.
Alpine oil field
The Alpine oil field is a major North Slope oil development in Alaska, known for its remote Arctic location and role in U.S. petroleum production.
-
E.
Terra Nova oil field
Terra Nova oil field is an offshore petroleum field located on the Grand Banks off the coast of Newfoundland and Labrador, Canada, known for being one of the first to use a floating production, storage, and offloading vessel in harsh North Atlantic conditions.
- 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: Campos Basin oil fields Target entity description: The Campos Basin oil fields are a major offshore petroleum-producing region off the coast of Brazil, central to the country’s oil industry and economic development.
-
A.
Buena Vista Oil Field
Buena Vista Oil Field is a major historic petroleum-producing area in Kern County, California, that significantly contributed to the region’s early 20th-century oil boom.
-
B.
Sabunchi oil field
The Sabunchi oil field is a historic petroleum-producing area in the Baku region of Azerbaijan that was developed and operated by the Nobel Brothers’ oil company, Branobel, during the late 19th and early 20th centuries.
-
C.
Eastern Province oil fields
The Eastern Province oil fields are a major cluster of petroleum-producing sites in Saudi Arabia that form the core of the country’s vast oil industry.
-
D.
Alpine oil field
The Alpine oil field is a major North Slope oil development in Alaska, known for its remote Arctic location and role in U.S. petroleum production.
-
E.
Terra Nova oil field
Terra Nova oil field is an offshore petroleum field located on the Grand Banks off the coast of Newfoundland and Labrador, Canada, known for being one of the first to use a floating production, storage, and offloading vessel in harsh North Atlantic conditions.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
offshore oil field
ⓘ
petroleum-producing region ⓘ |
| comparedWith | Santos Basin pre-salt fields ⓘ |
| contains |
giant oil fields
ⓘ
mature oil fields ⓘ |
| contributesTo |
Brazil's energy security
ⓘ
Brazil's export revenues ⓘ |
| country | Brazil ⓘ |
| developmentStart | 1970s ⓘ |
| developmentStatus | mature basin with ongoing redevelopment and enhanced recovery projects ⓘ |
| economicRole |
central to Brazil's oil industry
ⓘ
important for Brazil's economic development ⓘ |
| energySector | upstream oil and gas ⓘ |
| explorationStart | 1960s ⓘ |
| geologicalSetting | offshore sedimentary basin ⓘ |
| historicalRole | Brazil's main oil-producing region before pre-salt discoveries ⓘ |
| hostCountryNOC | Petrobras ⓘ |
| infrastructure |
FPSO units
ⓘ
fixed platforms ⓘ subsea pipelines ⓘ subsea wells ⓘ |
| locatedIn |
Atlantic Ocean
ⓘ
Campos Basin ⓘ |
| nearbyCity |
Campos dos Goytacazes
ⓘ
Macaé ⓘ |
| notableField |
Albacora Leste oil field
ⓘ
Albacora oil field ⓘ
linked to:
Roncador oil field
Barracuda oil field ⓘ
linked to:
Albacora Leste oil field
Caratinga oil field ⓘ Marlim Leste oil field ⓘ
linked to:
Marlim oil field
Marlim Sul oil field ⓘ
linked to:
Marlim oil field
Marlim oil field ⓘ Roncador oil field ⓘ |
| offshoreFrom |
Brazilian coast
ⓘ
Rio de Janeiro state ⓘ
linked to:
State of Rio de Janeiro
Southeast Brazil ⓘ
linked to:
Southeast Region of Brazil
|
| operator | Petrobras ⓘ |
| partOf | Brazilian oil industry ⓘ |
| productionPeakPeriod |
1990s
ⓘ
2000s ⓘ |
| productionType |
offshore deepwater production
ⓘ
offshore shallow-water production ⓘ |
| region |
Southeast Brazil
ⓘ
linked to:
Southeast Region of Brazil
|
| regulatoryBody |
ANP
ⓘ
Agência Nacional do Petróleo, Gás Natural e Biocombustíveis ⓘ |
| resourceType |
crude oil
ⓘ
natural gas ⓘ |
| significance | major center of Brazil's petroleum production ⓘ |
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: Campos Basin oil fields Description of subject: The Campos Basin oil fields are a major offshore petroleum-producing region off the coast of Brazil, central to the country’s oil industry and economic development.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.