Definition & axiom
⚠ Conflicts with the ISO 15926-4 primary definition
Label (EN)
injection well
Label (PT-BR)
Definition (EN)
Definition (PT-BR)
Semi-formal axiom (Aristotelian)
Axiom type
LLM classification basis: function-based → ≡
Identity is given by the designed function of injecting materials into a reservoir, regardless of physical configuration. The definitions consistently emphasize the injection purpose and pressure requirements, not structural differences from production wells.
Validation status
Why primitive (necessary only)
Reviewer notes
FOL theory & disjointness
First-order logic theory (generated)
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Disjoint with
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Expert review
Axiomatization steps
1
Identity-Giving Function
✓ done
InjectionFunction → InjectionProcess ⊑ MomentumTransfer
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COPI-Core operation
MomentumTransfer via process parent MomentumTransfer
LLM rationale:
The identity-giving function is injecting materials (fluids, water, gas, cuttings) into a reservoir at pressure higher than formation pressure. This distinguishes injection wells from production wells and other well types by their operational purpose.
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Expert review
2
Genus Proximus
✓ done
Well · EngineeredSystem
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Genus (genus proximum)
Most specific superclass — may be a domain class like "Valve" or an IOF-Core root.
BFO/IOF-Core Root
bfo:Object branch
bfo:ObjectAggregate branch
bfo:ImmaterialEntity branch
LLM rationale:
ISO 15926 explicitly states 'INJECTION WELL is a WELL with the purpose of injecting'. Well is the most specific superclass available. Wells are engineered systems comprising multiple interacting objects (wellhead equipment, casing, tubing, completion components) without a single causal boundary - they are collections of physically separate but functionally coordinated equipment.
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Expert review
3
Differentia Specifica
✓ done
∃bearerOf.InjectionFunction
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Conditions that distinguish
Injection Well
from sibling classes under genus
Well.
Only what is not already entailed by the genus.
Differentia expression
Differentia (natural language)
LLM rationale:
The differentia is purely functional - the designed capability to inject materials under pressure. This is what makes an injection well distinct from other well types that share the same physical infrastructure but serve different operational purposes.
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Expert review
4
Necessary Parts
✓ done
no necessary parts
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Consider part-whole relations beyond subsumption:
hasComponentPartAtAllTimes (universal, structurally essential)
· hasComponentPartAtSomeTime (contingent, optional component)
LLM rationale:
These parts are necessary for all injection wells to realize their injection function, regardless of the specific material being injected (water, gas, cuttings).
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Expert review
5
Process Participation Signature ⟨I, O, T⟩
✓ done
PortionOfFluid → PortionOfFluid
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Inputs (I)
Outputs (O)
Transformation (T)
LLM rationale:
Injection wells transform the pressure and location of injectable materials, delivering them from surface facilities to target reservoir formations at pressures exceeding formation pressure.
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Expert review
More
Alternative labels
none
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Synonyms / alternative labels (comma-separated) — skos:altLabel
Language auto-detected on export (PT if the label contains accents, EN otherwise).
Properties as BFO qualities
no CFIHOS/DEXPI properties
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No CFIHOS/DEXPI properties found for this cluster.
Custom axioms
none
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Axioms not produced by the pipeline. Each is appended verbatim as an
rdfs:subClassOf restriction on Injection Well.
Write the restriction block in Turtle syntax (without the leading
rdfs:subClassOf).
Example: [ owl:onProperty :hasPart ; owl:someValuesFrom :Wellhead ]
Cross-standard divergences
none detected yet
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Click "Detect divergences" to analyse cross-standard disagreements for this cluster.
