Lacq gas field
E253447
The Lacq gas field is a major natural gas deposit in southwestern France that played a key role in the country’s postwar energy development and petrochemical industry.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Lacq gas field canonical | 4 |
| Lacq gas processing plant | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2304171 — 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: Lacq gas field Context triple: [Aquitaine Basin, contains, Lacq gas field]
-
A.
Vankor oil field
Vankor oil field is a major Russian oil and gas field in Eastern Siberia that serves as one of Rosneft’s largest and most strategically important production assets.
-
B.
Bayu-Undan gas field
The Bayu-Undan gas field is a major offshore natural gas and condensate field in the Timor Sea that has been a key source of revenue for Timor-Leste through LNG exports.
-
C.
Laminaria oil field
Laminaria oil field is an offshore petroleum field located in the Timor Sea, known for its significant oil production and role in regional energy development.
-
D.
Challis oil field
The Challis oil field is an offshore petroleum field located in the Timor Sea, known for its role in regional oil production.
-
E.
Safaniya oil field
Safaniya oil field is the world’s largest offshore oil field, located in the Persian Gulf off the coast of Saudi Arabia and operated by Saudi Aramco.
- 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: Lacq gas field Target entity description: The Lacq gas field is a major natural gas deposit in southwestern France that played a key role in the country’s postwar energy development and petrochemical industry.
-
A.
Vankor oil field
Vankor oil field is a major Russian oil and gas field in Eastern Siberia that serves as one of Rosneft’s largest and most strategically important production assets.
-
B.
Bayu-Undan gas field
The Bayu-Undan gas field is a major offshore natural gas and condensate field in the Timor Sea that has been a key source of revenue for Timor-Leste through LNG exports.
-
C.
Laminaria oil field
Laminaria oil field is an offshore petroleum field located in the Timor Sea, known for its significant oil production and role in regional energy development.
-
D.
Challis oil field
The Challis oil field is an offshore petroleum field located in the Timor Sea, known for its role in regional oil production.
-
E.
Safaniya oil field
Safaniya oil field is the world’s largest offshore oil field, located in the Persian Gulf off the coast of Saudi Arabia and operated by Saudi Aramco.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf | natural gas field ⓘ |
| connectedTo | pipeline network to French industrial centers ⓘ |
| contains |
carbon dioxide
ⓘ
hydrogen sulfide ⓘ |
| country | France ⓘ |
| currentUse | site for industrial and research activities ⓘ |
| developedBy | French state-backed oil and gas sector ⓘ |
| developmentPeriod | 1950s–1970s ⓘ |
| discovered | 1951 ⓘ |
| discoveredBy | SNPA ⓘ |
| employmentImpact | created thousands of jobs in the Lacq region ⓘ |
| endOfCommercialGasProduction | 2013 ⓘ |
| environmentalIssue | air emissions from sulfur recovery ⓘ |
| estimatedOriginalGasInPlace | approximately 250 billion cubic metres ⓘ |
| estimatedRecoverableReserves | over 150 billion cubic metres ⓘ |
| formerOperator |
Elf Aquitaine
ⓘ
SNPA ⓘ |
| gasType | sour gas ⓘ |
| geologicalBasin | Aquitaine Basin ⓘ |
| historicalSignificance | one of the first large-scale sour gas developments in Europe ⓘ |
| impact |
enabled creation of a major sulfur industry in France
ⓘ
supported growth of regional chemical complexes ⓘ |
| importance | key asset in the early development of French natural gas industry ⓘ |
| infrastructureBuiltForField |
gas treatment plants
ⓘ
long-distance gas pipelines ⓘ sulfur recovery units ⓘ |
| locatedIn |
Pyrénées-Atlantiques
ⓘ
southwestern France ⓘ |
| locatedNear | Lacq ⓘ |
| nearbyIndustrialSite | Lacq industrial platform ⓘ |
| operator | TotalEnergies ⓘ |
| ownedBy | TotalEnergies ⓘ |
| peakProductionYear | 1969 ⓘ |
| processingFacility |
Lacq gas processing plant
ⓘ
linked to:
Lacq gas field
|
| producedResource |
condensate
ⓘ
natural gas ⓘ sulfur ⓘ |
| productionDecline | from late 1970s onward ⓘ |
| region | Aquitaine Basin ⓘ |
| roleInEconomy | major contributor to French postwar energy supply ⓘ |
| roleInIndustry | catalyst for development of French petrochemical industry ⓘ |
| startOfProduction | 1957 ⓘ |
| strategicRole | reduced French dependence on imported energy in the postwar period ⓘ |
| sulfurRecoveryProcess | Claus process ⓘ |
| suppliedRegion |
national French gas grid
ⓘ
southwestern France ⓘ |
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: Lacq gas field Description of subject: The Lacq gas field is a major natural gas deposit in southwestern France that played a key role in the country’s postwar energy development and petrochemical industry.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Lacq gas field