CNOOC
E780755
CNOOC is a major Chinese state-owned oil and gas company, best known as one of China’s largest offshore petroleum producers.
All labels observed (6)
| Label | Occurrences |
|---|---|
| CNOOC Limited | 3 |
| CNOOC canonical | 2 |
| CNOOC Gas & Power Group | 1 |
| CNOOC Refining & Chemical | 1 |
| China National Offshore Oil Corporation | 1 |
| China Oilfield Services Limited | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9106441 — 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: CNOOC Context triple: [Sinopec, competitor, CNOOC]
-
A.
PetroChina
PetroChina is one of China’s largest state-owned oil and gas companies, engaged in exploration, production, refining, and marketing of petroleum and petrochemical products.
-
B.
Sinopec
Sinopec is one of China’s largest state-owned oil and petrochemical companies, engaged in exploration, refining, and marketing of petroleum and chemical products worldwide.
-
C.
CITIC Group
CITIC Group is a large state-owned Chinese conglomerate headquartered in Beijing, with major interests in finance, real estate, resources, and infrastructure.
-
D.
Swire Pacific
Swire Pacific is a Hong Kong-based diversified conglomerate with major interests in aviation, property, beverages, and trading and industrial businesses.
-
E.
China Merchants Group
China Merchants Group is a major state-owned Chinese conglomerate with core businesses in transportation, finance, and property development.
- 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: CNOOC Target entity description: CNOOC is a major Chinese state-owned oil and gas company, best known as one of China’s largest offshore petroleum producers.
-
A.
PetroChina
PetroChina is one of China’s largest state-owned oil and gas companies, engaged in exploration, production, refining, and marketing of petroleum and petrochemical products.
-
B.
Sinopec
Sinopec is one of China’s largest state-owned oil and petrochemical companies, engaged in exploration, refining, and marketing of petroleum and chemical products worldwide.
-
C.
CITIC Group
CITIC Group is a large state-owned Chinese conglomerate headquartered in Beijing, with major interests in finance, real estate, resources, and infrastructure.
-
D.
Swire Pacific
Swire Pacific is a Hong Kong-based diversified conglomerate with major interests in aviation, property, beverages, and trading and industrial businesses.
-
E.
China Merchants Group
China Merchants Group is a major state-owned Chinese conglomerate with core businesses in transportation, finance, and property development.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
offshore oil and gas producer
ⓘ
state-owned enterprise ⓘ |
| abbreviation | CNOOC ⓘ |
| alias |
China National Offshore Oil Corporation
ⓘ
linked to:
CNOOC
|
| businessActivity |
energy infrastructure investment
ⓘ
liquefied natural gas trading ⓘ offshore natural gas exploration ⓘ offshore natural gas production ⓘ offshore oil exploration ⓘ offshore oil production ⓘ petrochemicals ⓘ petroleum refining ⓘ |
| competitor |
China National Petroleum Corporation
ⓘ
China Petrochemical Corporation ⓘ
linked to:
Sinopec
|
| country | China ⓘ |
| foundedBy |
Chinese government
ⓘ
linked to:
People's Republic of China government
|
| hasBusinessModel | vertically integrated oil and gas company ⓘ |
| hasSubsidiary |
CNOOC Gas & Power Group
ⓘ
linked to:
CNOOC
CNOOC Limited ⓘ
linked to:
CNOOC
CNOOC Refining & Chemical ⓘ
linked to:
CNOOC
China Oilfield Services Limited ⓘ
linked to:
CNOOC
|
| headquartersLocation | Beijing ⓘ |
| industry |
energy
ⓘ
oil and gas ⓘ |
| isPartOf | Chinese state-owned enterprises ⓘ |
| market |
domestic Chinese energy market
ⓘ
international energy market ⓘ |
| memberOf | Chinese national oil companies ⓘ |
| notableFor | being one of China’s largest offshore petroleum producers ⓘ |
| operatesInSector |
downstream oil and gas
ⓘ
midstream oil and gas ⓘ offshore natural gas ⓘ offshore oil ⓘ upstream oil and gas ⓘ |
| owner |
Chinese government
ⓘ
linked to:
People's Republic of China government
|
| parentOrganization | State-owned Assets Supervision and Administration Commission of the State Council ⓘ |
| product |
crude oil
ⓘ
liquefied natural gas ⓘ natural gas ⓘ petrochemical products ⓘ refined petroleum products ⓘ |
| regionOfOperation |
Bohai Bay
ⓘ
East China Sea ⓘ South China Sea ⓘ |
| regulatoryBody | State-owned Assets Supervision and Administration Commission of the State Council ⓘ |
| strategicRole |
developing offshore oil and gas resources
ⓘ
ensuring China’s energy security ⓘ |
| typeOfCompany | national oil 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: CNOOC Description of subject: CNOOC is a major Chinese state-owned oil and gas company, best known as one of China’s largest offshore petroleum producers.
Referenced by (9)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: CNOOC
linked to: CNOOC
linked to: CNOOC
linked to: CNOOC
linked to: CNOOC
linked to: CNOOC