Cepu Block
E837497
Cepu Block is a major oil and gas field in East Java, Indonesia, known as one of the country’s most significant petroleum-producing areas.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Cepu Block canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10043772 — 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: Cepu Block Context triple: [Bojonegoro, hasNearbyOilField, Cepu Block]
-
A.
Jempol District
Jempol District is an administrative district in the Malaysian state of Negeri Sembilan, known for its mix of rural settlements, agriculture, and small-town centers.
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B.
Kalasan District
Kalasan District is an administrative area in Sleman Regency, Yogyakarta, Indonesia, known for its concentration of ancient Javanese temples and archaeological sites.
-
C.
North Kuta District
North Kuta District is a rapidly developing suburban and tourist area in southern Bali, Indonesia, known for popular destinations such as Canggu and its surrounding beaches.
-
D.
South Kuta District
South Kuta District is a popular coastal area in southern Bali, Indonesia, known for its major tourist destinations such as Nusa Dua, Jimbaran, and Uluwatu.
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E.
Degan Subdistrict
Degan Subdistrict is an administrative subdistrict that serves as the seat of government for Jiangjin District in Chongqing, China.
- 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: Cepu Block Target entity description: Cepu Block is a major oil and gas field in East Java, Indonesia, known as one of the country’s most significant petroleum-producing areas.
-
A.
Jempol District
Jempol District is an administrative district in the Malaysian state of Negeri Sembilan, known for its mix of rural settlements, agriculture, and small-town centers.
-
B.
Kalasan District
Kalasan District is an administrative area in Sleman Regency, Yogyakarta, Indonesia, known for its concentration of ancient Javanese temples and archaeological sites.
-
C.
North Kuta District
North Kuta District is a rapidly developing suburban and tourist area in southern Bali, Indonesia, known for popular destinations such as Canggu and its surrounding beaches.
-
D.
South Kuta District
South Kuta District is a popular coastal area in southern Bali, Indonesia, known for its major tourist destinations such as Nusa Dua, Jimbaran, and Uluwatu.
-
E.
Degan Subdistrict
Degan Subdistrict is an administrative subdistrict that serves as the seat of government for Jiangjin District in Chongqing, China.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
hydrocarbon block
ⓘ
oil and gas field ⓘ |
| basin | East Java Basin NERFINISHED ⓘ |
| classification | strategic national energy asset ⓘ |
| containsField |
Banyu Urip field
NERFINISHED
ⓘ
Jambaran field NERFINISHED ⓘ Tiung Biru field NERFINISHED ⓘ |
| continent | Asia ⓘ |
| country | Indonesia ⓘ |
| countryRegulator | Government of Indonesia NERFINISHED ⓘ |
| developmentStatus | producing ⓘ |
| discoveryStatus | discovered ⓘ |
| hasProduction |
gas production
ⓘ
oil production ⓘ |
| hostCountryNOC | Pertamina NERFINISHED ⓘ |
| hostGovernment | Republic of Indonesia NERFINISHED ⓘ |
| industry | oil and gas industry ⓘ |
| locatedIn |
Blora Regency
NERFINISHED
ⓘ
Bojonegoro Regency NERFINISHED ⓘ East Java ⓘ Java ⓘ |
| locatedNear | Cepu NERFINISHED ⓘ |
| onshoreOffshore | onshore ⓘ |
| operator | ExxonMobil Cepu Limited NERFINISHED ⓘ |
| operatorParentCompany | ExxonMobil NERFINISHED ⓘ |
| ownershipType | production sharing contract ⓘ |
| partner |
PT Pertamina (Persero)
NERFINISHED
ⓘ
PT Pertamina EP NERFINISHED ⓘ PT Pertamina EP (PEP) NERFINISHED ⓘ PT Pertamina EP Cepu NERFINISHED ⓘ PT Pertamina EP Cepu (PEPC) NERFINISHED ⓘ PT Pertamina EP Cepu (PEPC) as government participant NERFINISHED ⓘ PT Pertamina EP Cepu as Indonesian partner NERFINISHED ⓘ PT Pertamina EP Cepu as NOC partner NERFINISHED ⓘ PT Pertamina EP Cepu as national oil company partner NERFINISHED ⓘ PT Pertamina EP Cepu as state partner ⓘ PT Pertamina EP Cepu as state-owned partner ⓘ PT Pertamina Hulu Energi NERFINISHED ⓘ PT Pertamina Hulu Energi (PHE) NERFINISHED ⓘ Pertamina NERFINISHED ⓘ |
| province | Jawa Timur (East Java) NERFINISHED ⓘ |
| region | Southeast Asia ⓘ |
| resourceType |
crude oil
ⓘ
natural gas ⓘ |
| sector | energy ⓘ |
| significance |
major contributor to Indonesia's oil production
ⓘ
one of Indonesia's most important petroleum-producing areas ⓘ |
| timeZone | UTC+7 ⓘ |
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: Cepu Block Description of subject: Cepu Block is a major oil and gas field in East Java, Indonesia, known as one of the country’s most significant petroleum-producing areas.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.