Well Survey Ltd
E485852
Well Survey Ltd was a British company involved in early nuclear and geophysical research and consulting, notably employing physicist Bruno Pontecorvo before his defection to the Soviet Union.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Well Survey Ltd canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T5021319 — 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: Well Survey Ltd Context triple: [Bruno Pontecorvo, workedAt, Well Survey Ltd]
-
A.
Golder Associates
Golder Associates is a global consulting firm specializing in earth, environment, and energy services, known for its expertise in geotechnical engineering and environmental consulting.
-
B.
Environmental Tectonics Corporation
Environmental Tectonics Corporation is a technology company specializing in simulation, training, and environmental control systems, particularly for aerospace, defense, and medical applications.
-
C.
Schlumberger
Schlumberger is a leading global oilfield services company that provides technology, project management, and information solutions to the oil and gas industry.
-
D.
Brown & Root
Brown & Root is a major American engineering and construction company historically known for large-scale industrial, infrastructure, and government projects.
-
E.
Weatherford International
Weatherford International is a multinational oilfield services company that provides equipment, technology, and solutions for drilling, evaluation, completion, production, and intervention of oil and natural gas wells.
- 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: Well Survey Ltd Target entity description: Well Survey Ltd was a British company involved in early nuclear and geophysical research and consulting, notably employing physicist Bruno Pontecorvo before his defection to the Soviet Union.
-
A.
Golder Associates
Golder Associates is a global consulting firm specializing in earth, environment, and energy services, known for its expertise in geotechnical engineering and environmental consulting.
-
B.
Environmental Tectonics Corporation
Environmental Tectonics Corporation is a technology company specializing in simulation, training, and environmental control systems, particularly for aerospace, defense, and medical applications.
-
C.
Schlumberger
Schlumberger is a leading global oilfield services company that provides technology, project management, and information solutions to the oil and gas industry.
-
D.
Brown & Root
Brown & Root is a major American engineering and construction company historically known for large-scale industrial, infrastructure, and government projects.
-
E.
Weatherford International
Weatherford International is a multinational oilfield services company that provides equipment, technology, and solutions for drilling, evaluation, completion, production, and intervention of oil and natural gas wells.
- F. None of above. chosen
Statements (19)
| Predicate | Object |
|---|---|
| instanceOf |
British company
ⓘ
company ⓘ physicist ⓘ |
| activity |
geophysical research consulting
ⓘ
nuclear research consulting ⓘ |
| country | United Kingdom ⓘ |
| countryOfDefection | Soviet Union ⓘ |
| employed | Bruno Pontecorvo ⓘ |
| employer | Well Survey Ltd ⓘ |
| fieldOfWork |
geophysics
ⓘ
nuclear physics ⓘ |
| hasReputationFor |
early geophysical research work
ⓘ
early nuclear research work ⓘ |
| industry |
geophysical consulting
ⓘ
nuclear research ⓘ |
| locationCountry | United Kingdom ⓘ |
| notableEmployee | Bruno Pontecorvo ⓘ |
| occupation | physicist ⓘ |
| operatedIn | 20th century ⓘ |
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: Well Survey Ltd Description of subject: Well Survey Ltd was a British company involved in early nuclear and geophysical research and consulting, notably employing physicist Bruno Pontecorvo before his defection to the Soviet Union.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Well Survey Ltd