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exported equivalent COPI_0000241
Degasser
IRI: https://www.inf.ufrgs.br/ontologies/copi/COPI_0000241
Generated onGerado em 2026-04-15
Natural Language DefinitionDefinição em Linguagem Natural
EN
A degasser is a separator that removes gases from drilling fluids by realizing a degassing function.
PT-BR
Um degaseificador é um separador que remove gases de fluidos de perfuração realizando uma função de degaseificação.
Formal AxiomsAxiomas Formais
Semi-formal (Aristotelian)Semi-formal (Aristotélico)
Every degasser is a separator that bears a degassing function and has drilling fluid as input and degassed drilling fluid plus separated gases as outputs.
First-Order Logic TheoryTeoria em Lógica de Primeira Ordem
[Definition]∀x (Degasser(x) ↔ Separator(x) ∧ ∃f (DegassingFunction(f) ∧ bearerOf(x,f)) ∧ ∃bearerOf.DegassingFunction ⊓ ∃participatesIn.GasRemovalProcess) — Steps 1–3: genus + identity-giving function [Function axiom: DegassingFunction]∀f (DegassingFunction(f) → ∀p (realizedIn(f,p) → DegassingProcess(p)) ∧ ∃p (DegassingProcess(p) ∧ realizedIn(f,p))) — Step 1: ∀ preserves type-type identity; ∃ rules out vacuous functions never realised [Process participation signature]∀x ∀f ((Degasser(x) ∧ DegassingFunction(f) ∧ bearerOf(x,f)) → ∃m (DrillingFluidPortion(m) ∧ participatesIn(m,f)) ∧ ∃e1 (DrillingFluidPortion(e1) ∧ participatesIn(e1,f)) ∧ ∃e2 (GasPortion(e2) ∧ participatesIn(e2,f)) ∧ processType(f,PhaseSeparation)) — Step 5: typed participants in the realising process
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: Degasser <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 "1.1.0-104-g4d16eff" ; 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 "2026-07-13"^^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 :DegassingFunction rdf:type owl:Class ; rdfs:subClassOf iof-core:DesignedFunction ; rdfs:subClassOf [ rdf:type owl:Restriction ; owl:onProperty bfo:BFO_0000054 ; # realizedIn owl:allValuesFrom :DegassingProcess ] ; rdfs:subClassOf [ rdf:type owl:Restriction ; owl:onProperty bfo:BFO_0000054 ; # realizedIn owl:someValuesFrom :DegassingProcess ] ; rdfs:label "degassing function"@en ; rdfs:label "função de degaseificação"@pt-br . ### Process type :DegassingProcess rdf:type owl:Class ; rdfs:subClassOf iof-core:PlannedProcess ; rdfs:label "degassing process"@en ; rdfs:label "processo de degaseificação"@pt-br . :DegassingProcess rdfs:subClassOf [ rdf:type owl:Restriction ; owl:onProperty iof-core:hasInput ; owl:someValuesFrom :DrillingFluidPortion ] ; rdfs:subClassOf [ rdf:type owl:Restriction ; owl:onProperty iof-core:hasSpecifiedOutput ; owl:someValuesFrom :DrillingFluidPortion ] ; rdfs:subClassOf [ rdf:type owl:Restriction ; owl:onProperty iof-core:hasSpecifiedOutput ; owl:someValuesFrom :GasPortion ] . ### Equipment universal: Degasser :Degasser rdf:type owl:Class ; owl:equivalentClass [ rdf:type owl:Class ; owl:intersectionOf ( :Separator [ rdf:type owl:Restriction ; owl:onProperty iof-core:hasFunction ; # Object branch (MaterialArtifact/Assembly/Object/FiatObjectPart) owl:someValuesFrom :DegassingFunction ] ) ] ; rdfs:label "degasser"@en ; rdfs:label "degaseificador"@pt-br ; iof-av:naturalLanguageDefinition "A degasser is a separator that removes gases from drilling fluids by realizing a degassing function."@en ; skos:definition "A degasser is a separator that removes gases from drilling fluids by realizing a degassing function."@en ; iof-av:naturalLanguageDefinition "Um degaseificador é um separador que remove gases de fluidos de perfuração realizando uma função de degaseificação."@pt-br ; iof-av:semiFormalNaturalLanguageAxiom "Every degasser is a separator that bears a degassing function and has drilling fluid as input and degassed drilling fluid plus separated gases as outputs."@en ; iof-av:firstOrderLogicAxiom "∀x (Degasser(x) ↔ (Separator(x) ∧ ∃f (DegassingFunction(f) ∧ bearerOf(x,f))))"@en ; # Disjointness: Degasser and Mixer [] rdf:type owl:AllDisjointClasses ; owl:members ( :Degasser :Mixer ) . # Disjointness: Degasser and Heater [] rdf:type owl:AllDisjointClasses ; owl:members ( :Degasser :Heater ) .
Axiomatization Decision LogRegistro de Decisões
1 Identity-Giving FunctionFunção Identitária
Function class
DegassingFunction ⊑ DesignedFunction
Realized in
DegassingProcess ⊑ PlannedProcess
The identity-giving function is removing gases (air, methane, H2S, CO2) from drilling fluids. This is what makes a degasser a degasser rather than any other type of separator or processing equipment.
2 Genus DeterminationDeterminação do Gênero
Separatorbfo:Object (BFO_0000030)
ISO 15926 explicitly states that a degasser is a 'FLASH SEPARATOR', and separation equipment is already defined in our ontology. Separator is the most specific appropriate superclass, as degassing is fundamentally a gas-liquid separation process. The parent_candidates include 'FLASH SEPARATOR' which maps to our Separator class.
3 Differentia SpecificaDiferença Específica
∃bearerOf.DegassingFunction ⊓ ∃participatesIn.GasRemovalProcess

A separator that specifically removes dissolved or entrained gases from drilling fluids through degassing processes.

The differentia specifies the unique gas removal function from drilling fluids. This goes beyond the generic separation function inherited from Separator genus to specify the particular type of separation (degassing) and the specific fluid type (drilling fluid).
4 Necessary PartsPartes Necessárias

No necessary parts recorded.

These parts represent the minimal physical components necessary for any degassing operation: intake of gas-laden fluid, separation chamber, and separate outlets for gas and cleaned fluid.
Process Participation SignatureAssinatura de Participação em Processo
InputsEntradas
{'type': 'DrillingFluidPortion', 'count': 1, 'constraints': 'contains dissolved or entrained gases'}
OutputsSaídas
{'type': 'DrillingFluidPortion', 'count': 1, 'constraints': 'reduced gas content'}, {'type': 'GasPortion', 'count': 1, 'constraints': 'separated gases (methane, H2S, CO2, air)'}
TransformationTransformação
phase separation - removal of gas phase from liquid drilling fluid
The process takes gas-laden drilling fluid and separates it into degassed liquid and removed gas streams. This is a gas-liquid separation transformation specific to drilling operations.
Disjoint WithDisjunto com
Mixer Heater
C4: Mixer, Heater. Degasser separates phases while Mixer combines them (incompatible transformations). Heater adds thermal energy while degasser performs separation (different transformation types).
MetadataMetadados
COPI IDCOPI IDCOPI_0000241
IRIIRIhttps://www.inf.ufrgs.br/ontologies/copi/COPI_0000241
StatusStatusexported
Axiom modeModoequivalent
CreatedCriado2026-04-15
UpdatedAtualizado2026-06-28
LLM modelModelo LLMclaude-sonnet-4-20250514
VersionVersão2026-07-13
Quick factsDados rápidos
GenusGêneroSeparator
Root classClasse raizAssembly
Axiom modeModoequivalent
FunctionFunçãoDegassingFunction
ProcessProcessoDegassingProcess
PartsPartes0
Source DefinitionsDefinições nas Fontes 4 sources
ISO 15926-4 DEGASSER
Definition text withheld (copyrighted standard) — follow the source link above.Texto da definição omitido (norma protegida por direitos autorais) — acesse o link da fonte acima.
CFIHOS degasser
Definition text withheld (copyrighted standard) — follow the source link above.Texto da definição omitido (norma protegida por direitos autorais) — acesse o link da fonte acima.
SLB Glossary degasser
Definition text withheld (copyrighted standard) — follow the source link above.Texto da definição omitido (norma protegida por direitos autorais) — acesse o link da fonte acima.
ONEPETRO_GLOSSARY Degasser
Definition text withheld (copyrighted standard) — follow the source link above.Texto da definição omitido (norma protegida por direitos autorais) — acesse o link da fonte acima.