exported
equivalent
pipeline
IRI:
http://www.inf.ufrgs.br/ontologies/copi#Pipeline
Generated on 2026-04-09
Natural Language Definition
EN
A pipeline is an engineered system that bears a fluid transport function, consisting of pipes and possibly including pumps, valves, and control devices, designed for conveying liquids, gases, or finely divided solids between locations.
PT-BR
Um pipeline é um sistema engenheirado que possui uma função de transporte de fluidos, consistindo de tubos e possivelmente incluindo bombas, válvulas e dispositivos de controle, projetado para transportar líquidos, gases ou sólidos finamente divididos entre locais.
Formal Axioms
Semi-formal (Aristotelian)
Every pipeline is an engineered system that bears a fluid transport function and has pipe as a component part at some time.
First-Order Logic Theory
Loading…
▸ Stored override
∀x(Pipeline(x) ↔ EngineeredSystem(x) ∧ ∃f(FluidTransportFunction(f) ∧ bearerOf(x,f)) ∧ ∃p(Pipe(p) ∧ hasComponentPartAtSomeTime(x,p)))
OWL 2 / Turtle
@prefix copi: <https://www.inf.ufrgs.br/ontologies/copi/> .
@prefix : <https://www.inf.ufrgs.br/ontologies/copi/> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
@prefix bfo: <http://purl.obolibrary.org/obo/> .
@prefix iof-core: <https://spec.industrialontologies.org/ontology/construct/> .
@prefix iof-av: <https://spec.industrialontologies.org/ontology/annotation/> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix qudt: <http://qudt.org/schema/qudt/> .
@prefix dcterms: <http://purl.org/dc/terms/> .
@prefix foaf: <http://xmlns.com/foaf/0.1/> .
@prefix apv: <http://inf.ufrgs.br/ontologies/apv#> .
### COPI — Core Ontology for Petroleum Installations
### Class module: Pipeline
<https://www.inf.ufrgs.br/ontologies/copi>
rdf:type owl:Ontology ;
dcterms:title "Core Ontology for Petroleum Installations (COPI)"@en ;
dcterms:title "Ontologia Core para Instalações de Petróleo (COPI)"@pt-br ;
dcterms:description "BFO/IOF-Core conformant ontology of equipment classes for petroleum production plants, developed using the five-step RDL enrichment method."@en ;
skos:scopeNote "Material artifacts (bfo:material_entity) that (i) are part of a petroleum production plant, and (ii) bear at least one function whose realization involves the transport (e.g. production and injection), processing (separation and other processes), control, monitoring, measurement, containment or offloading of material or energy."@en ;
skos:scopeNote "Artefatos materiais (bfo:material_entity) que (i) fazem parte de uma planta de produção de petróleo, e (ii) possuem ao menos uma função cuja realização envolve o transporte (p. ex. produção e injeção), processamento (separação e outros processos), controle, monitoramento, medição, contenção ou escoamento de material ou energia."@pt-br ;
skos:scopeNote "COPI provides high-level equipment categories defined by function to demonstrate the defined-class mechanism. Equipment subtypes are annotated with references to CFIHOS and PCA RDL terms. COPI is not a reference data library; organizations should use CFIHOS, PCA RDL, or ISO 14224 for comprehensive equipment classification."@en ;
skos:scopeNote "COPI fornece categorias de alto nível de equipamentos definidas por função para demonstrar o mecanismo de classe definida. Os subtipos de equipamentos são anotados com referências aos termos do CFIHOS e do PCA RDL. COPI não é uma biblioteca de dados de referência; organizações devem utilizar o CFIHOS, o PCA RDL ou a ISO 14224 para classificação abrangente de equipamentos."@pt-br ;
owl:versionInfo "1.1.0" ;
owl:imports <https://spec.industrialontologies.org/ontology/core/Core/> ;
owl:imports <http://purl.obolibrary.org/obo/bfo/2020/bfo.owl> ;
dcterms:creator "Nicolau Oyhenard dos Santos"@en ;
dcterms:contributor "Cauã Antunes" ;
dcterms:contributor "Haroldo Rojas" ;
dcterms:contributor "Rafael Petry" ;
dcterms:contributor "Régis Romeu" ;
dcterms:contributor "Mara Abel" ;
dcterms:isPartOf <https://inf.ufrgs.br/projetos/OntoKG> ;
dcterms:publisher "Universidade Federal do Rio Grande do Sul (UFRGS)"@en ;
dcterms:license <https://creativecommons.org/licenses/by/4.0/> ;
dcterms:created "2026-04-08"^^xsd:date ;
dcterms:modified "2026-10-08"^^xsd:date ;
apv:GlobalMinLanguageCoverage "en pt-br" ;
apv:ClassURIFormationRule "https://www[.]inf[.]ufrgs[.]br/ontologies/copi/(COPI_[0-9]{7}|[A-Z][A-Za-z0-9]*)" ;
apv:ClassMinAnnotationCoverage "rdfs:label https://spec.industrialontologies.org/ontology/annotation/naturalLanguageDefinition" .
iof-av:naturalLanguageDefinition rdf:type owl:AnnotationProperty ;
apv:MinAnnotationLength 20 .
### Identity-giving function
:COPI_0000537 rdf:type owl:Class ; # FluidTransportFunction
rdfs:subClassOf iof-core:DesignedFunction ;
rdfs:subClassOf [
rdf:type owl:Restriction ;
owl:onProperty bfo:BFO_0000054 ; # realizedIn
owl:allValuesFrom :COPI_0000538 # FluidTransportProcess
] ;
rdfs:subClassOf [
rdf:type owl:Restriction ;
owl:onProperty bfo:BFO_0000054 ; # realizedIn
owl:someValuesFrom :COPI_0000538 # FluidTransportProcess
] ;
rdfs:label "fluid transport function"@en ;
rdfs:label "função de transporte de fluido"@pt-br .
### Process type
:COPI_0000538 rdf:type owl:Class ; # FluidTransportProcess
rdfs:subClassOf :COPI_0000003 ; # MomentumTransfer
rdfs:label "fluid transport process"@en ;
rdfs:label "processo de transporte de fluido"@pt-br .
:COPI_0000003 rdf:type owl:Class . # MomentumTransfer
:COPI_0000538 # FluidTransportProcess
rdfs:subClassOf [
rdf:type owl:Restriction ;
owl:onProperty iof-core:hasInput ;
owl:someValuesFrom :COPI_0000037 # PortionOfFluid
] ;
rdfs:subClassOf [
rdf:type owl:Restriction ;
owl:onProperty iof-core:hasSpecifiedOutput ;
owl:someValuesFrom :COPI_0000037 # PortionOfFluid
] .
### Equipment universal: Pipeline
:COPI_0000326 rdf:type owl:Class ; # Pipeline
owl:equivalentClass [
rdf:type owl:Class ;
owl:intersectionOf (
iof-core:EngineeredSystem
[
rdf:type owl:Restriction ;
owl:onProperty bfo:BFO_0000196 ; # bearerOf — ObjectAggregate branch
owl:someValuesFrom :COPI_0000537 # FluidTransportFunction
]
[
rdf:type owl:Restriction ;
owl:onProperty iof-core:hasComponentPartAtSomeTime ;
owl:someValuesFrom :COPI_0000321 # Pipe
]
)
] ;
rdfs:label "pipeline"@en ;
rdfs:label "pipeline"@pt-br ;
iof-av:naturalLanguageDefinition "A pipeline is an engineered system that bears a fluid transport function, consisting of pipes and possibly including pumps, valves, and control devices, designed for conveying liquids, gases, or finely divided solids between locations."@en ;
skos:definition "A pipeline is an engineered system that bears a fluid transport function, consisting of pipes and possibly including pumps, valves, and control devices, designed for conveying liquids, gases, or finely divided solids between locations."@en ;
iof-av:naturalLanguageDefinition "Um pipeline é um sistema engenheirado que possui uma função de transporte de fluidos, consistindo de tubos e possivelmente incluindo bombas, válvulas e dispositivos de controle, projetado para transportar líquidos, gases ou sólidos finamente divididos entre locais."@pt-br ;
iof-av:semiFormalNaturalLanguageAxiom "Every pipeline is an engineered system that bears a fluid transport function and has pipe as a component part at some time."@en ;
iof-av:firstOrderLogicAxiom "∀x(Pipeline(x) ↔ EngineeredSystem(x) ∧ ∃f(FluidTransportFunction(f) ∧ bearerOf(x,f)) ∧ ∃p(Pipe(p) ∧ hasComponentPartAtSomeTime(x,p)))"@en ;
skos:definition "[ISO 15926-4] A <PIPELINE> is a <CONTINOUS FLUID TRANSPORTER> and a <FLUID CONDUCTOR> and a <SYSTEM> that consists of pipe, possibly also including pumps, valves, and control devices, intended for conveying liquids, gases, or finely divided solids"@en ;
skos:definition "[CFIHOS] A fluid conductor that consists of pipe, possibly also including pumps, valves, and control devices, intended for conveying liquids, gases, or finely divided solids."@en ;
skos:definition "[SLB Glossary] A tube or system of tubes used for transporting crude oil and natural gas from the field or gathering system to the refinery."@en ;
skos:definition "[OnePetro] The principle underground transport of produced gas and oil."@en ;
skos:definition "[POSC Caesar] A fluid conductor that consists of pipe, possibly also including pumps, valves, and control devices, intended for conveying liquids, gases, or finely divided solids."@en .
:COPI_0000321 rdf:type owl:Class ; # Pipe
rdfs:subClassOf iof-core:MaterialArtifact ;
rdfs:label "tubo"@pt-br ;
rdfs:label "pipe"@en .
# Disjointness: Pipeline and Separator
[] rdf:type owl:AllDisjointClasses ;
owl:members ( :COPI_0000326 :COPI_0000084 ) . # Pipeline, Separator
# Disjointness: Pipeline and HeatExchanger
[] rdf:type owl:AllDisjointClasses ;
owl:members ( :COPI_0000326 :COPI_0000092 ) . # Pipeline, HeatExchanger
Axiomatization Decision Log
1
Identity-Giving Function
Function class
FluidTransportFunction
⊑ DesignedFunction
Realized in
FluidTransportProcess
⊑ MomentumTransfer
All definitions emphasize the transport/conveying function as identity-giving. This is distinct from FlowControlFunction (valves) - pipelines conduct fluid between locations rather than controlling flow parameters. The function encompasses transport of liquids, gases, or finely divided solids over distances.
2
Genus Determination
EngineeredSystem
bfo:ObjectAggregate (BFO_0000027)
Collection of interacting Objects with a designed function.
EngineeredSystem ≡ System ⊓ ∃bearerOf.DesignedFunction,
where System ⊑ bfo:ObjectAggregate.
No single causal boundary spans all member objects.
Pipeline is explicitly defined as a SYSTEM in ISO 15926 that 'consists of pipe, possibly also including pumps, valves, and control devices'. This is a collection of distinct interacting Objects (pipes, pumps, valves) without a single causal boundary - classic ObjectAggregate/EngineeredSystem. Unlike a single pump or valve (Assembly), a pipeline spans multiple maintenance units and locations. The parent candidates 'SYSTEM' and 'piping and pipeline equipment' confirm this system-level classification.
3
Necessary Parts
| Part class | Parent | Relation |
|---|---|---|
| Pipe | MaterialArtifact | hasComponentPartAtSomeTime |
Pipeline universally requires pipe as the basic conduit. Other components (pumps, valves, control devices) are mentioned as 'possibly included' making them subtype-specific rather than universal. Using hasComponentPartAtSomeTime since pipeline systems are assembled/disassembled and components may be replaced.
4
Process Participation Signature ⟨I, O, T⟩
Inputs (I)
PortionOfFluid
— liquid, gas, or finely divided solids
Outputs (O)
PortionOfFluid
— same substance at different location
Transformation (T)
spatial displacement - fluid transported from source to destination location
Pipeline signature is characterized by spatial transport rather than thermodynamic transformation. Input and output are the same substance but at different geographic locations.
5
Axiom Mode Decision
Necessary + Sufficient
— modelled as a defined class
(≡, EquivalentClass). Automatic classification is
appropriate for this concept.
Disjointness Axioms
Separator
HeatExchanger
C4: Separator, HeatExchanger. Pipeline systems are incompatible with chemical reaction, phase separation, or heat transfer as primary functions. The transport signature conflicts with transformation-based processes.
Cross-Standard Observations
Strong consistency across standards on functional definition (fluid transport) and compositional structure (pipe + optional equipment). SLB and OnePetro focus on oil/gas context while others are more general. ISO 15926 provides most detailed taxonomic context.
