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exported equivalent COPI_0000348
Shear Ram
IRI: https://www.inf.ufrgs.br/ontologies/copi/COPI_0000348
Generated onGerado em 2026-04-15
Natural Language DefinitionDefinição em Linguagem Natural
EN
A shear ram is a ram that bears a pipe shearing function and has hardened cutting blades designed to cut drillpipe or tubing during blowout prevention operations.
PT-BR
Um aríete de corte é um aríete que possui função de corte de tubulação e tem lâminas de corte endurecidas projetadas para cortar a coluna de perfuração ou tubulação durante operações de prevenção de blowout.
Formal AxiomsAxiomas Formais
Semi-formal (Aristotelian)Semi-formal (Aristotélico)
Every shear ram is a ram that has the function to shear pipe and has shearing blades as component parts at all times.
First-Order Logic TheoryTeoria em Lógica de Primeira Ordem
[Definition]∀x (ShearRam(x) ↔ Assembly(x) ∧ ∃f (PipeShearingFunction(f) ∧ bearerOf(x,f)) ∧ ∃bearerOf.PipeShearingFunction ⊓ ∃hasComponentPartAtAllTimes.ShearingBlade) — Steps 1–3: genus + identity-giving function [Function axiom: PipeShearingFunction]∀f (PipeShearingFunction(f) → ∀p (realizedIn(f,p) → PipeShearingProcess(p)) ∧ ∃p (PipeShearingProcess(p) ∧ realizedIn(f,p))) — Step 1: ∀ preserves type-type identity; ∃ rules out vacuous functions never realised [Necessary part: ShearingBlade]∀x (ShearRam(x) → ∃p (ShearingBlade(p) ∧ hasComponentPartAtAllTimes(x,p))) — Step 4: mereological commitment — every instance must have this part [Process participation signature]∀x ∀f ((ShearRam(x) ∧ PipeShearingFunction(f) ∧ bearerOf(x,f)) → ∃m (SteelPipe(m) ∧ participatesIn(m,f)) ∧ ∃e (SteelPipe(e) ∧ participatesIn(e,f)) ∧ processType(f,MechanicalSeparation)) — 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: ShearRam <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 :PipeShearingFunction rdf:type owl:Class ; rdfs:subClassOf iof-core:DesignedFunction ; rdfs:subClassOf [ rdf:type owl:Restriction ; owl:onProperty bfo:BFO_0000054 ; # realizedIn owl:allValuesFrom :PipeShearingProcess ] ; rdfs:subClassOf [ rdf:type owl:Restriction ; owl:onProperty bfo:BFO_0000054 ; # realizedIn owl:someValuesFrom :PipeShearingProcess ] ; rdfs:label "pipe shearing function"@en ; rdfs:label "função de corte de tubulação"@pt-br . ### Process type :PipeShearingProcess rdf:type owl:Class ; rdfs:subClassOf iof-core:PlannedProcess ; rdfs:label "pipe shearing process"@en ; rdfs:label "processo de corte de tubulação"@pt-br . :PipeShearingProcess rdfs:subClassOf [ rdf:type owl:Restriction ; owl:onProperty iof-core:hasInput ; owl:someValuesFrom :SteelPipe ] ; rdfs:subClassOf [ rdf:type owl:Restriction ; owl:onProperty iof-core:hasSpecifiedOutput ; owl:someValuesFrom :SteelPipe ] . ### Equipment universal: ShearRam :ShearRam rdf:type owl:Class ; owl:equivalentClass [ rdf:type owl:Class ; owl:intersectionOf ( iof-core:Assembly [ rdf:type owl:Restriction ; owl:onProperty iof-core:hasFunction ; # Object branch (MaterialArtifact/Assembly/Object/FiatObjectPart) owl:someValuesFrom :PipeShearingFunction ] [ rdf:type owl:Restriction ; owl:onProperty iof-core:hasComponentPartAtAllTimes ; owl:someValuesFrom :ShearingBlade ] ) ] ; rdfs:label "shear ram"@en ; rdfs:label "aríete de corte"@pt-br ; iof-av:naturalLanguageDefinition "A shear ram is a ram that bears a pipe shearing function and has hardened cutting blades designed to cut drillpipe or tubing during blowout prevention operations."@en ; skos:definition "A shear ram is a ram that bears a pipe shearing function and has hardened cutting blades designed to cut drillpipe or tubing during blowout prevention operations."@en ; iof-av:naturalLanguageDefinition "Um aríete de corte é um aríete que possui função de corte de tubulação e tem lâminas de corte endurecidas projetadas para cortar a coluna de perfuração ou tubulação durante operações de prevenção de blowout."@pt-br ; iof-av:semiFormalNaturalLanguageAxiom "Every shear ram is a ram that has the function to shear pipe and has shearing blades as component parts at all times."@en ; iof-av:firstOrderLogicAxiom "∀x(ShearRam(x) ↔ Ram(x) ∧ ∃f(PipeShearingFunction(f) ∧ bearerOf(x,f)) ∧ ∃b(ShearingBlade(b) ∧ hasComponentPartAtAllTimes(x,b)))"@en ; :ShearingBlade rdf:type owl:Class ; rdfs:subClassOf iof-core:MaterialArtifact ; rdfs:label "lâmina de cisalhamento"@pt-br ; rdfs:label "shearing blade"@en .
Axiomatization Decision LogRegistro de Decisões
1 Identity-Giving FunctionFunção Identitária
Function class
PipeShearingFunction ⊑ DesignedFunction
Realized in
PipeShearingProcess ⊑ PlannedProcess
The identity-giving function is the designed capability to cut/shear pipe during blowout prevention. This distinguishes it from other BOP ram types like pipe rams or blind rams that have different functions.
2 Genus DeterminationDeterminação do Gênero
Assemblybfo:Object (BFO_0000030)
All sources consistently identify this as a specific type of ram. Ram is the most specific appropriate superclass - it represents the closure mechanism category in BOP systems. While not yet enriched in our ontology, it is the obvious domain superclass that would have its own designed function and structural characteristics.
3 Differentia SpecificaDiferença Específica
∃bearerOf.PipeShearingFunction ⊓ ∃hasComponentPartAtAllTimes.ShearingBlade

A ram that bears a pipe shearing function and has hardened cutting blades as essential components.

The pipe shearing function and presence of hardened cutting blades are the minimal conditions that distinguish shear rams from other ram types. The shearing function is more specific than the general BOP closure function inherited from Ram.
4 Necessary PartsPartes Necessárias
Part classParentRelation
ShearingBladeMaterialArtifacthasComponentPartAtAllTimes
Shearing blades are the distinguishing parts specific to shear rams, while the ram body provides the structural foundation common to all rams but necessary for this specific implementation.
Process Participation SignatureAssinatura de Participação em Processo
InputsEntradas
{'type': 'SteelPipe', 'count': 1, 'constraints': 'drillpipe or tubing within wellbore'}
OutputsSaídas
{'type': 'SteelPipe', 'count': 2, 'constraints': 'severed upper and lower pipe sections'}
TransformationTransformação
mechanical cutting/shearing action separates continuous pipe into discrete sections
The signature involves taking a continuous pipe and mechanically severing it into separate sections, enabling removal of the upper section while sealing the wellbore.
MetadataMetadados
COPI IDCOPI IDCOPI_0000348
IRIIRIhttps://www.inf.ufrgs.br/ontologies/copi/COPI_0000348
StatusStatusexported
Axiom modeModoequivalent
CreatedCriado2026-04-15
UpdatedAtualizado2026-06-28
LLM modelModelo LLMclaude-sonnet-4-20250514
VersionVersão2026-07-13
Quick factsDados rápidos
GenusGêneroAssembly
Root classClasse raizAssembly
Axiom modeModoequivalent
FunctionFunçãoPipeShearingFunction
ProcessProcessoPipeShearingProcess
PartsPartes1
Source DefinitionsDefinições nas Fontes 4 sources
ISO 15926-4 SHEAR RAM
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 shear ram
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 shear ram
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ONEPETRO_GLOSSARY Shear ram
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