Offshore Petroleum Production Plant Ontology (O3PO)
type: Ontology
contributor: Fabrício H. Rodrigues
contributor: Haroldo Rojas
contributor: Mara Abel
creator: Nicolau Santos
description: A domain ontology for offshore petroleum production plants has been established utilizing BFO as the top-level ontology and incorporating IOF-Core and GeoCore as middle-level ontologies.
description: Uma ontologia de domínio para plantas de produção de petróleo offshore foi estabelecida utilizando BFO como a ontologia de topo e incorporando IOF-Core e GeoCore como ontologias de nível intermediário. @pt-br
license: MIT License Copyright (c) 2025 Nicolau Oyhenard dos Santos Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
title: Ontologia de Planta de Produção de Petróleo Offshore (O3PO) @pt-br
abstract: A comprehensive domain ontology for modeling offshore petroleum production plants, their components, processes, and operational relationships.
created: 2023-01-15
modified: 2025-01-15
publisher: Federal University of Rio Grande do Sul (UFRGS) - Institute of Informatics
comment: O3PO provides a comprehensive formal representation of offshore petroleum production systems based on BFO. The ontology follows aristotelian definition patterns as recommended in Barry Smith's 'Building Ontologies with Basic Formal Ontology'.
backward compatible with: o3po
imports: bfo.owl
imports: iao.owl
imports: geocore.owl
version info: 2.0
code repository: O3POntology

annulus
type: Class
definition: def. a BFO:Site that occupies a well and is delimited by any void between any piping, tubing or casing and the piping, tubing, or casing immediately surrounding it
comment: The annulus of an oil well or water well is any void between any piping, tubing or casing and the piping, tubing, or casing immediately surrounding it.
label: anular @pt-br
subclass of: BFO_0000029
subclass of: Restriction
  on property: BFO_0000050
  some values from: well

basin
type: Class
definition: def. a two-dimensional continuant faunal boundary
label: bacia @pt-br
subclass of: BFO_0000146

being operated capability
type: Class
definition: def. a capability to be operated
label: capacidade de ser operado @pt-br
subclass of: Capability

blower
type: Class
definition: def. A material artifact designed to move gas with a moderate increase of pressure.
comment: Blowers are used to move gas or air. They operate at a pressure ratio between that of a fan and a compressor.
label: soprador @pt-br
subclass of: MaterialArtifact

wellbore
type: Class
has related synonym: borehole
source: https://www.lexico.com/en/definition/well
definition: def. a BFO:Site that is a boring in the Earth designed to bring oil, gas or water to the surface
comment: A shaft sunk into the ground to obtain water, oil, or gas.
label: furo do poço @pt-br
subclass of: BFO_0000029
subclass of: Restriction
  on property: BFO_0000050
  some values from: well

bottomhole pressure
type: Class
definition: def. pressure at the bottom of the well
label: pressão de fundo @pt-br
subclass of: pressure
subclass of: Restriction
  on property: qualityOf
  some values from: well

casing
type: Class
definition: def. a material artifact that is a component of a well and provides structural integrity to the wellbore
label: revestimento @pt-br
subclass of: MaterialArtifact
subclass of: Restriction
  on property: component of
  some values from: well

centrifugal pump
type: Class
definition: def. a pump where the rotary motion applies centrifugal force to discharge fluids from the pump
label: bomba centrífuga @pt-br
subclass of: pump
disjoint with: positive-displacement pump

choke valve
type: Class
definition: def. a valve that restricts flow
label: válvula de choke @pt-br
subclass of: valve
disjoint with: inflow control valve

choke position
type: Class
definition: def. a quality that represents the position of a choke
label: posição do choke @pt-br
subclass of: BFO_0000019
subclass of: Restriction
  on property: RO_0000080
  some values from: choke valve
subclass of: Restriction
  all values from: choke valve
  on property: qualityOf

choke size
type: Class
definition: def. a quality that represents the size of a choke
label: tamanho do choke @pt-br
subclass of: BFO_0000019
subclass of: Restriction
  on property: qualityOf
  some values from: choke valve
subclass of: Restriction
  all values from: choke valve
  on property: qualityOf

christmas tree
type: Class
has related synonym: Tree
source: Christmas tree (oil well)
definition: def. an assembly that is composed of valves and that is located above a well and that is directly or indirectly connected to the well to control the flow of fluids from/into the well
comment: In petroleum and natural gas extraction, a Christmas tree, or 'tree', is an assembly of valves, spools, and fittings used to regulate the flow of pipes in an oil well, gas well, water injection well, water disposal well, gas injection well, condensate well and other types of wells.
label: árvore de natal @pt-br
subclass of: Assembly
subclass of: Restriction
  on property: hasComponentPartAtAllTimes
  some values from: valve

coalescing filter
type: Class
definition: def. A filter designed to cause liquid aerosols in a gas stream to coalesce into larger droplets for removal.
label: filtro coalescente @pt-br
subclass of: filter

common close control line pressure
type: Class
definition: def. a pressure in a control line
label: pressão de linha de controle comum de fechamento @pt-br
subclass of: pressure
subclass of: Restriction
  on property: RO_0000080
  some values from: control line

condensate
type: Class
source: https://www.mckinseyenergyinsights.com/resources/refinery-reference-desk/condensate/
definition: def. crude oil that is a mixture of light liquid hydrocarbons, similar to a very light crude oil
comment: Condensate is a mixture of light liquid hydrocarbons, similar to a very light (high API) crude oil. It is typically separated out of a natural gas stream at the point of production (field separation) when the temperature and pressure of the gas is dropped to atmospheric conditions.
label: condensado @pt-br
subclass of: crude oil
disjoint with: water

control line
type: Class
definition: def. a tube that is a small-diameter hydraulic line used to operate downhole completion equipment
comment: A small-diameter hydraulic line used to operate downhole completion equipment such as the surface controlled subsurface safety valve (SCSSV). Most systems operated by control line operate on a fail-safe basis.
label: linha de controle @pt-br
subclass of: tube

cooler
type: Class
definition: def. A heat exchanger designed to reduce the temperature of a process fluid by transferring heat to a cooling medium (air or water).
label: resfriador @pt-br
subclass of: heat exchanger

crude oil
type: Class
definition: def. petroleum that exists as a liquid in underground geologic formations and remains a liquid when brought to the surface
label: óleo cru @pt-br
subclass of: petroleum
subclass of: Restriction
  on property: BFO_0000050
  some values from: petroleum
disjoint with: natural gas

delta pressure
type: Class
definition: def. a relational quality that is a pressure difference
label: diferencial de pressão @pt-br
subclass of: BFO_0000145

floating production, storage, and offloading vessel
type: Class
source: https://www.glossary.oilfield.slb.com/Terms/f/fpso.aspx
acronym: FPSO
definition: def. an offshore platform that serves as gathering, processing and storage facilities for fluids produced from subsea wells
comment: Abbreviation for floating production, storage, and offloading vessel. FPSOs are commonly deployed for offshore production in locations that have little infrastructure. They serve as gathering, processing and storage facilities for fluids produced from subsea wells. Processed using equipment on the ship's deck, the fluids are then stored in the ship's hull before they are offloaded to pipelines, barges, or ships.
label: FPSO @pt-br
subclass of: platform
disjoint with: semisubmersible

field
type: Class
definition: def. a two-dimensional continuant faunal boundary that is an area where one or more reservoirs, grouped on by the same individual geological structural feature and/or stratigraphic condition, exist in the subsurface with the possibility of sufficient economic benefit worthy of commercial attention for exploration and production of hydrocarbons
label: campo @pt-br
subclass of: BFO_0000146
subclass of: Restriction
  on property: RO_0001025
  some values from: basin

field name
type: Class
definition: def. a name that specifically denominates a field
label: nome do campo @pt-br
subclass of: name
subclass of: Restriction
  on property: BFO_0000197
  some values from: field

filter
type: Class
definition: def. A material artifact containing a porous medium or screen designed to remove solid particles or liquid droplets from a fluid stream.
label: filtro @pt-br
subclass of: MaterialArtifact

flow
type: Class
has related synonym: fluid flow
definition: def. a process that has participant some fluid and the fluid is in continuous movement
comment: The continuous movement characteristic of a liquid or gas.
label: fluxo @pt-br
subclass of: BFO_0000015
subclass of: Restriction
  on property: RO_0000057
  some values from: fluid (portion of)

flow rate
type: Class
definition: def. a IOF:process characteristic that is volume of fluid which flows per unit of time
comment: The volume of fluid which flows per unit of time
label: vazão @pt-br
subclass of: ProcessCharacteristic
subclass of: Restriction
  on property: processCharacteristicOf
  some values from: flow

flow rate measurement datum
type: Class
definition: def. a measurement information content entity about flow rate
label: dado de medição de vazão @pt-br
subclass of: MeasurementInformationContentEntity

flowline
type: Class
definition: def. a pipeline that carries oil, gas or water that connects the wellhead to a manifold or to a platform
label: linha de fluxo @pt-br
subclass of: pipeline
subclass of: Restriction
  on property: connected to
  some values from: christmas tree

flowmeter
type: Class
definition: def. a sensor that measures the flow rate of fluids through a pipeline
comment: An instrument that measures the flow rate of fluids through a pipeline.
label: medidor de vazão @pt-br
subclass of: sensor
subclass of: Restriction
  on property: measures
  some values from: flow rate

fluid (portion of)
type: Class
IAO_0000112: A puddle of water, this particular pile of sand, a barrel of oil.
definition: def. a BFO:Object that is in liquid or gas form and is able to flow in response to external pressure and has no fixed shape
comment: Portion of Substance (e.g., liquid or gas) that tends/is able to flow in response to external pressure and has no fixed shape.
label: fluido (porção de) @pt-br
subclass of: BFO_0000030

gas heater
type: Class
definition: def. A heater designed specifically to raise the temperature of a gas stream, often to prevent hydrate formation during pressure reduction.
comment: Often referred to as a Line Heater in upstream operations.
label: aquecedor de gás @pt-br
subclass of: heater

gas-lift valve
type: Class
definition: def. a valve used in gas-lift operations
label: válvula de gas-lift @pt-br
subclass of: valve

gas scrubber
type: Class
definition: def. A scrubber specifically used to clean a natural gas stream before compression or dehydration.
label: depurador de gás @pt-br
subclass of: scrubber

heat exchanger
type: Class
definition: def. A material artifact designed to transfer thermal energy from one fluid to another without them mixing.
label: trocador de calor @pt-br
subclass of: MaterialArtifact

heater
type: Class
definition: def. A material artifact designed to raise the temperature of a fluid, typically using an external heat source (combustion or electricity).
label: aquecedor @pt-br
subclass of: MaterialArtifact

inflow control valve
type: Class
IAO_0000118: válvula de completação inteligente @pt-br
acronym: ICV
label: válvula de controle de influxo @pt-br
subclass of: valve
subclass of: Restriction
  on property: hasQuality
  some values from: ICV annular pressure
subclass of: Restriction
  on property: hasQuality
  some values from: ICV annular temperature
subclass of: Restriction
  on property: hasQuality
  some values from: ICV delta pressure
subclass of: Restriction
  on property: hasQuality
  some values from: ICV open control line pressure
subclass of: Restriction
  on property: component of
  some values from: tubing

ICV annular pressure
type: Class
definition: def. a pressure quality that inheres in the annular space of an ICV
label: pressão no anular do ICV @pt-br
subclass of: pressure
subclass of: Restriction
  on property: RO_0000080
  some values from: inflow control valve

ICV annular temperature
type: Class
definition: def. a temperature quality that inheres in the annular space of an ICV
label: temperatura no anular do ICV @pt-br
subclass of: temperature
subclass of: Restriction
  on property: RO_0000080
  some values from: inflow control valve

ICV delta pressure
type: Class
definition: def. a pressure quality that represents the pressure difference across an ICV
label: pressão delta do ICV @pt-br
subclass of: pressure
subclass of: Restriction
  on property: RO_0000080
  some values from: inflow control valve

ICV flow rate
type: Class
definition: def. a flow rate that is a process characteristic of a flow that occurs inside an ICV
comment: the rate of a flow that occurs inside an ICV
label: vazão na ICV @pt-br
subclass of: flow rate
disjoint with: well liquid rate

ICV flow rate ICV method
type: Class
definition: def. a flow rate measurement datum about ICV flow rate determined using the ICV method
label: vazão da ICV método ICV @pt-br
subclass of: flow rate measurement datum
subclass of: Restriction
  on property: isAbout
  some values from: ICV flow rate

ICV flow rate IPR method
type: Class
definition: def. a flow rate measurement datum about ICV flow rate determined using the IPR (Inflow Performance Relationship) method
label: vazão da ICV método IPR @pt-br
subclass of: flow rate measurement datum
subclass of: Restriction
  on property: isAbout
  some values from: ICV flow rate

ICV flow rate reconciled method
type: Class
definition: def. a flow rate measurement datum about ICV flow rate determined using a reconciled method that combines multiple measurement sources
label: vazão da ICV método reconciliado @pt-br
subclass of: flow rate measurement datum
subclass of: Restriction
  on property: isAbout
  some values from: ICV flow rate

ICV open control line pressure
type: Class
definition: def. a pressure quality that inheres in the open control line of an ICV
label: pressão na linha de controle aberta do ICV @pt-br
subclass of: pressure
subclass of: Restriction
  on property: RO_0000080
  some values from: inflow control valve

injection fluid
type: Class
definition: def. a fluid that has role some injection role
comment: Fluid injected by an injection well.
label: fluido de injeção @pt-br
subclass of: fluid (portion of)
subclass of: Restriction
  on property: hasRole
  some values from: injection role
disjoint with: production fluid

injection (process)
type: Class
definition: def. a flow that has an injection well as participant and is towards a reservoir
comment: Injection of gases or liquids into a reservoir to force oil toward and into producing wells.
label: injeção (processo) @pt-br
subclass of: flow
subclass of: Restriction
  on property: RO_0000057
  some values from: fluid (portion of)
subclass of: Restriction
  on property: RO_0000057
  some values from: injection well
subclass of: Restriction
  on property: RO_0000057
  some values from: reservoir
disjoint with: production (process)

injection role
type: Class
definition: def. a role borne by a fluid that is being injected into a well
comment: Role assumed by a fluid that is being injected into a well.
label: papel de injeção @pt-br
subclass of: BFO_0000023
subclass of: Restriction
  on property: roleOf
  some values from: injection fluid
subclass of: Restriction
  all values from: injection fluid
  on property: roleOf

injection well
type: Class
definition: def. a well where fluids are injected rather than produced, the primary objective typically being to maintain reservoir pressure
label: poço de injeção @pt-br
subclass of: well
subclass of: Restriction
  on property: RO_0000087
  some values from: injector role
disjoint with: production well

injector role
type: Class
definition: def. a role borne by a well that injects fluids
label: papel de injetor @pt-br
subclass of: BFO_0000023
subclass of: Restriction
  on property: roleOf
  some values from: well
subclass of: Restriction
  all values from: well
  on property: roleOf

manifold
type: Class
source: https://www.glossary.oilfield.slb.com/en/Terms/m/manifold.aspx
definition: def. an assembly that has disposition to connect several flowlines and designed to control, distribute and typically monitor fluid flow from or to multiple wells
comment: An arrangement of piping or valves designed to control, distribute and typically monitor fluid flow.
subclass of: Assembly
subclass of: Restriction
  on property: has component
  some values from: tube
subclass of: Restriction
  on property: has component
  some values from: valve

molecular sieve vessel
type: Class
definition: def. A vessel containing molecular sieve material (zeolites) used for the precise adsorption of water (dehydration) or other impurities from a gas stream.
label: vaso de peneira molecular @pt-br
subclass of: vessel

name
type: Class
definition: def. a quality that serves as a linguistic identifier for an entity
label: nome @pt-br
subclass of: BFO_0000019

natural gas
type: Class
definition: def. petroleum that is composed of a hydrocarbon gas mixture consisting primarily of methane, but commonly includes varying amounts of other higher alkanes and sometimes a usually lesser percentage of carbon dioxide, nitrogen, and/or hydrogen sulfide
label: gás natural @pt-br
subclass of: petroleum
disjoint with: water

nozzle
type: Class
description: A nozzle is a device designed to control the direction or characteristics of a fluid flow (specially to increase velocity) as it exits (or enters) an enclosed chamber or pipe. A nozzle is often a pipe or tube of varying cross sectional area, and it can be used to direct or modify the flow of a fluid (liquid or gas). Nozzles are frequently used to control the rate of flow, speed, direction, mass, shape, and/or the pressure of the stream that emerges from them. In a nozzle, the velocity of fluid increases at the expense of its pressure energy.
definition: def. a material artifact that has a protruding part through which a stream of fluid is directed
label: bocal @pt-br
subclass of: MaterialArtifact

observation role
type: Class
definition: def. a role borne by a well used for observation
label: papel de observação @pt-br
subclass of: BFO_0000023
subclass of: Restriction
  on property: roleOf
  some values from: observation well
subclass of: Restriction
  all values from: observation well
  on property: roleOf

observation well
type: Class
source: Oil and Gas Wells, Pennsylvania Code, Title 25, Chapter 78, December 2012.
source: https://iadclexicon.org/observation-well/
definition: def. a well that bears an observation role
comment: A well used to monitor the operational integrity and conditions in a gas storage reservoir, the reservoir protective area or strata above or below the gas storage horizon.
label: poço de observação @pt-br
subclass of: well
subclass of: Restriction
  on property: hasRole
  some values from: observation role

pipeline end manifold
type: Class
source: https://oilstates.com/offshore/subsea-pipeline-products/plem-plet-structures/
acronym: PLEM
definition: def. a manifold that splits the product flow into multiple routes that may feed into an FPSO, refinery and holding tanks concurrently
label: manifold de término de tubulação @pt-br
subclass of: manifold

particulate filter
type: Class
definition: def. A filter designed principally to remove solid particulate matter from a fluid stream.
label: filtro de particulado @pt-br
subclass of: filter

permeability (quality)
type: Class
definition: def. the measure of the ability of a porous material (often, a rock or an unconsolidated material) to allow fluids to pass through it
label: permeabilidade (qualidade) @pt-br
subclass of: BFO_0000019

petroleum
type: Class
definition: def. an earth fluid that consists of a complex mixture of hydrocarbons of various molecular weights and other liquid organic compounds, that are found in geologic formations beneath the planetary surfaces
label: petróleo @pt-br
subclass of: GEOCORE_0000009
subclass of: Restriction
  on property: BFO_0000051
  some values from: crude oil
disjoint with: water

pipeline
type: Class
source: https://petrowiki.org/Glossary:Flowline
definition: def. an assembly that is necessarily composed of tubes which are connected to one another in a single, maximal/end-to-end line, and that is intended for conveying liquids, gases or finely divided solids
comment: The pipe connection between the well and the separators or tank battery.
label: tubulação @pt-br
subclass of: Assembly
subclass of: Restriction
  on property: has component
  some values from: tube
disjoint with: sensor

plant
type: Class
definition: def. an engineered system located at a field
label: planta @pt-br
subclass of: EngineeredSystem
subclass of: Restriction
  on property: RO_0001025
  some values from: field
subclass of: Restriction
  on property: has component
  some values from: platform

platform
type: Class
source: https://petrowiki.spe.org/Glossary:Platform
definition: def. a material artifact that is an offshore structure from which a well may be drilled or produced
comment: An offshore structure from which a well may be drilled or produced.
label: plataforma @pt-br
subclass of: MaterialArtifact
subclass of: Restriction
  on property: RO_0001025
  some values from: field
disjoint with: well

positive-displacement pump
type: Class
definition: def. a type of fluid pump in which the displacement volume of the pump is fixed for each rotation of the pump
label: bomba de deslocamento positivo @pt-br
subclass of: pump

pressure
type: Class
definition: def. a BFO:Quality that corresponds to the degree/intensity of the force applied perpendicular to the surface of a BFO:Material_Entity per unit area over which that force is distributed
comment: A quality that corresponds to the degree/intensity of the force applied perpendicular to the surface of a material entity per unit area over which that force is distributed.
label: pressão @pt-br
subclass of: BFO_0000019

pressure downstream of choke
type: Class
definition: def. a pressure measured downstream of a choke
label: pressão à jusante do choke @pt-br
subclass of: pressure
subclass of: Restriction
  on property: RO_0000080
  some values from: choke valve

pressure sensor
type: Class
definition: def. a sensor that measures the pressure of a fluid
comment: A device for pressure measurement of gases or liquids.
label: sensor de pressão @pt-br
subclass of: sensor
subclass of: Restriction
  on property: measures
  some values from: pressure

pressure upstream of choke
type: Class
definition: def. a pressure measured upstream of a choke
label: pressão à montante do choke @pt-br
subclass of: pressure
subclass of: Restriction
  on property: RO_0000080
  some values from: choke valve

producer role
type: Class
definition: def. a role borne by a well that produces hydrocarbons
label: papel de produtor @pt-br
subclass of: BFO_0000023
subclass of: Restriction
  on property: roleOf
  some values from: well
subclass of: Restriction
  all values from: well
  on property: roleOf

production fluid
type: Class
definition: def. a fluid that has_role production_role
comment: Fluid produced by a production well.
label: fluido de produção @pt-br
subclass of: fluid (portion of)
subclass of: Restriction
  on property: hasRole
  some values from: production role

production (process)
type: Class
definition: def. a flow that has a production well as participant and is towards a platform
comment: The yield of an oil or gas well. Also that branch of the petroleum industry that has to do with bringing the well fluids to the surface and separating them, and with storing, gaging, and otherwise preparing the product for the pipeline.
label: produção (processo) @pt-br
subclass of: flow
subclass of: Restriction
  on property: RO_0000057
  some values from: GEOCORE_0000009
subclass of: Restriction
  on property: RO_0000057
  some values from: production well
subclass of: Restriction
  on property: RO_0000057
  some values from: reservoir

production role
type: Class
definition: def. a role borne by a fluid that is produced by a well
comment: Role assumed by a fluid that is produced by a well such as natural gas or crude oil that are being produced by a well.
label: papel de produção @pt-br
subclass of: BFO_0000023
subclass of: Restriction
  on property: roleOf
  some values from: production fluid
subclass of: Restriction
  all values from: production fluid
  on property: roleOf

production separator
type: Class
definition: def. a separator that separates production fluids into their constituent components of crude oil, gas and water
comment: The term separator in oilfield terminology designates a pressure vessel used for separating well fluids produced from oil and gas wells into gaseous and liquid components. A separator for petroleum production is a large vessel designed to separate production fluids into their constituent components of oil, gas and water.
label: separador de produção @pt-br
subclass of: separator

production well
type: Class
source: https://petrowiki.spe.org/Glossary:Producing_well
definition: def. a well that produces hydrocarbon in commercial quantities
label: poço de produção @pt-br
subclass of: well
subclass of: Restriction
  on property: RO_0000087
  some values from: producer role

production zone
type: Class
definition: def. a reservoir or a section of a reservoir that is drilled into and from which hydrocarbons are produced or into which fluids are injected
label: zona de produção @pt-br
subclass of: reservoir

pump
type: Class
source: https://www.lexico.com/en/definition/pump
definition: def. a material artifact that moves fluids or fluid-like amounts (e.g., slurries) by increasing pressure of the fluid or pressure difference in a fluid flow
comment: Device that moves (e.g., transfer, deliver, compress) fluids (e.g., liquids, gases) or fluid-like amounts (e.g., slurries) by increasing pressure.
label: bomba @pt-br
subclass of: MaterialArtifact

reservoir
type: Class
definition: def. a rock that contains one or more individual and separate natural accumulations of petroleum that is confined (the oil, not the reservoir) by impermeable rock
comment: A rock (defined in GeoCore) containing one or more individual and separate natural accumulations of petroleum that is confined (the oil, not the reservoir) by impermeable rock.
label: reservatório @pt-br
subclass of: GEOCORE_0000008
subclass of: Restriction
  on property: BFO_0000051
  some values from: GEOCORE_0000009
subclass of: Restriction
  on property: RO_0000087
  some values from: reservoir role

reservoir role
type: Class
definition: def. a role borne by a reservoir
label: papel de reservatório @pt-br
subclass of: BFO_0000023
subclass of: Restriction
  on property: RO_0000081
  some values from: reservoir

riser
type: Class
source: https://petrowiki.org/Glossary:Riser
definition: def. a pipeline that vertically carries fluids or fluid-like amounts or artifacts (e.g., cables, pipes) and that connects a wellhead or a manifold on the seafloor to a platform
definition: def. a role that has bearer some pipeline
comment: Pipe or pipeline that vertically carries materials (e.g., production fluids, drilling mud, drilling cuttings) or artifacts (e.g., cables, pipes) and that connects a wellhead or a manifold on the seafloor to a production and/or drilling platform.
comment: Pipe through which liquid travels upward.
label: papel de riser @pt-br
label: riser role
subclass of: BFO_0000023
subclass of: Restriction
  on property: roleOf
  some values from: pipeline
subclass of: Restriction
  all values from: pipeline
  on property: roleOf

scrubber
type: Class
definition: def. A vessel designed to remove liquid droplets or solid particles from a gas stream using gravity, impingement, or centrifugal force.
label: vaso depurador @pt-br
subclass of: vessel

semisubmersible
type: Class
source: https://www.glossary.oilfield.slb.com/Terms/s/semisubmersible.aspx
definition: def. offshore platform that can be used for drilling, workover operations, and production platforms, depending on the equipment with which they are equipped
comment: A particular type of floating vessel that is supported primarily on large pontoon-like structures submerged below the sea surface. The operating decks are elevated perhaps 100 or more feet above the pontoons on large steel columns. Semisubmersibles can operate in a wide range of water depths, including deep water.
label: semissubmersível @pt-br
subclass of: platform

sensor
type: Class
IAO_0000112: Accelerometers, gyroscopes, barometers, magnetometers, and so forth are Sensors that are typically mounted on a modern smart phone (which acts as Platform). Other examples of Sensors include the human eyes.
definition: def. a material artifact that generates a result in response to some stimulus (e.g., a change in its environment) or input data from results of prior observations, with such result corresponding to the measurement of a physical property
comment: A device that produces an output signal for the purpose of sensing of a physical phenomenon.
subclass of: MaterialArtifact

separator
type: Class
source: https://petrowiki.spe.org/Glossary:Separator
definition: def. a material artifact that facilitates the separation of gas, oil, and/or water from a produced fluid stream
comment: A production treating vessel designed to facilitate the separation of gas, oil, and/or water from a produced fluid stream.
label: separador @pt-br
subclass of: MaterialArtifact

subsea tree
type: Class
IAO_0000118: subsea christmas tree
definition: def. a christmas tree that is projected to work at subsea
label: árvore de natal molhada @pt-br
subclass of: christmas tree

tag
type: Class
IAO_0000112: PT-001, TT-102, PCV-205
definition: def. an identifier used in industrial contexts to uniquely reference equipment, instruments, or systems within a plant
comment: Tags follow standardized naming conventions (e.g., ISA-5.1) to ensure consistency across engineering documentation.
label: etiqueta @pt-br
subclass of: Identifier

temperature
type: Class
definition: def. a BFO:Quality that corresponds to the degree/intensity of the thermal energy of a BFO:Material_Entity
comment: A quality that corresponds to the degree/intensity of the thermal energy of a material entity.
label: temperatura @pt-br
subclass of: BFO_0000019

temperature downstream of choke
type: Class
definition: def. a temperature measured downstream of a choke
label: temperatura à jusante do choke @pt-br
subclass of: temperature
subclass of: Restriction
  on property: RO_0000080
  some values from: choke valve

temperature sensor
type: Class
definition: def. a sensor that measures the temperature of a fluid
comment: A device that measures temperature or a temperature gradient (the degree of hotness or coldness of an object).
label: sensor de temperatura @pt-br
subclass of: sensor
subclass of: Restriction
  on property: measures
  some values from: temperature

temperature upstream of choke
type: Class
definition: def. a temperature measured upstream of a choke
label: temperatura à montante do choke @pt-br
subclass of: temperature
subclass of: Restriction
  on property: RO_0000080
  some values from: choke valve

test separator
type: Class
definition: def. a separator that is used to separate and meter relatively small quantities of oil and gas
comment: A vessel used to separate and meter relatively small quantities of oil and gas. Test separators can be two-phase or three-phase, or horizontal, vertical or spherical. They can also be permanent or portable.
label: separador de teste @pt-br
subclass of: separator

tube
type: Class
has related synonym: duct
has related synonym: pipe
has related synonym: tubular
definition: def. a material artifact that is long, enclosed and hollow and that acts as a passageway to carry different sorts of things (e.g., fluids, cables, other ducts)
comment: Functional Object / Material Artifact that is enclosed and hollow and that acts as a passageway to carry different sorts of things (e.g., fluids, cables, other ducts).
label: tubo @pt-br
subclass of: MaterialArtifact

tubing
type: Class
definition: def. a pipeline that is inside a well
label: coluna de produção @pt-br
subclass of: pipeline
subclass of: Restriction
  on property: RO_0000087
  some values from: tubing role
subclass of: Restriction
  on property: componentPartOfAtSomeTime
  some values from: well

tubing downhole pressure
type: Class
definition: def. a pressure measured at the downhole location of tubing
label: pressão de fundo do tubing @pt-br
subclass of: pressure
subclass of: Restriction
  on property: qualityOf
  some values from: tubing

tubing downhole temperature
type: Class
definition: def. a temperature measured at the downhole location of tubing
label: temperatura de fundo do tubing @pt-br
subclass of: temperature
subclass of: Restriction
  on property: qualityOf
  some values from: tubing

tubing role
type: Class
definition: def. a role borne by a pipeline that is inside a well
label: papel de tubing @pt-br
subclass of: BFO_0000023
subclass of: Restriction
  on property: roleOf
  some values from: pipeline
subclass of: Restriction
  all values from: pipeline
  on property: roleOf

valve
type: Class
definition: def. a functional complex that controls flow of fluids or fluid-like amounts (e.g., slurries, fluidized solids)
comment: Device that controls (e.g., permits, obstructs, regulates, directs) a stream/flow of fluids (e.g., gases, liquids) or fluid-like amounts (e.g., slurries, fluidized solids).
label: válvula @pt-br
subclass of: MaterialArtifact

variable
type: Class
IAO_0000112: flow rate, pressure, temperature
definition: def. an information content entity that represents a measurable attribute or parameter that can change over time in a production system
label: variável @pt-br
subclass of: InformationContentEntity

vessel
type: Class
definition: def. A closed container designed to hold gases or liquids at a pressure substantially different from the ambient pressure.
label: vaso @pt-br
subclass of: MaterialArtifact

volume
type: Class
definition: def. a quality that represents the amount of three-dimensional space occupied by a fluid
subclass of: BFO_0000019
subclass of: Restriction
  on property: qualityOf
  some values from: fluid (portion of)

water
type: Class
definition: def. an earth fluid that has chemical formula H2O and is inorganic, transparent, tasteless, odorless, and nearly colorless chemical substance
comment: Water (chemical formula H2O) is an inorganic, transparent, tasteless, odorless, and nearly colorless chemical substance, which is the main constituent of Earth's hydrosphere and the fluids of all known living organisms.
label: água @pt-br
subclass of: GEOCORE_0000009

well
type: Class
source: https://petrowiki.spe.org/Glossary:Completed_well
definition: def. a material artifact that is used to produce hydrocarbons or inject fluids and is located in a wellbore
comment: A well that has been drilled, cased and cemented and is ready to produce hydrocarbons.
label: poço @pt-br
subclass of: MaterialArtifact
subclass of: Restriction
  on property: BFO_0000051
  some values from: wellbore
subclass of: Restriction
  on property: RO_0000086
  some values from: bottomhole pressure

well liquid rate
type: Class
IAO_0000112: production rate of a well, injection rate of a well
definition: def. the flow rate that has only crude oil and water as participants and occurs in a well
label: vazão líquida do poço @pt-br
subclass of: flow rate

well liquid rate in-situ conditions
type: Class
definition: def. a well flow rate measured at in-situ (reservoir) conditions
label: vazão de líquido do poço em condições de reservatório @pt-br
subclass of: well liquid rate
disjoint with: well liquid rate standard conditions

well liquid rate standard conditions
type: Class
definition: def. a well flow rate measured at standard conditions
label: vazão de líquido do poço em condições padrão @pt-br
subclass of: well liquid rate

well name
type: Class
definition: def. a name that specifically denominates a well
label: nome do poço @pt-br
subclass of: name
subclass of: Restriction
  on property: BFO_0000197
  some values from: well

well status flag
type: Class
definition: def. a quality that represents the operational status of a well as a boolean value
label: flag de status do poço @pt-br
subclass of: BFO_0000019
subclass of: Restriction
  on property: qualityOf
  some values from: well
subclass of: Restriction
  all values from: well
  on property: RO_0000080

wellhead
type: Class
definition: def. an assembly that is located at the top of the casing strings of a well and that provide pressure control of a well, and the means for hanging and isolating the various tubular strings
comment: An equipment (or assembly) located to the top of the casing strings of a well that provide pressure control of a well, and the means for hanging and isolating the various tubular strings.
label: cabeça do poço @pt-br
subclass of: Assembly
subclass of: Restriction
  on property: component of
  some values from: well

wellhead pressure
type: Class
definition: def. a pressure measured at the wellhead
label: pressão na cabeça do poço @pt-br
subclass of: pressure
subclass of: Restriction
  on property: qualityOf
  some values from: wellhead

wellhead temperature
type: Class
definition: def. a temperature measured at the wellhead
label: temperatura na cabeça do poço @pt-br
subclass of: temperature
subclass of: Restriction
  on property: qualityOf
  some values from: wellhead

component of
type: ObjectProperty
type: TransitiveProperty
definition: def. a part of relation that holds between two material entities
domain: BFO_0000040
label: componente de @pt-br
range: BFO_0000040
sub property of: BFO_0000050
inverse of: has component

connected to
type: ObjectProperty
type: SymmetricProperty
domain: BFO_0000040
label: conectado a @pt-br
range: BFO_0000040

exchanges fluid with
type: ObjectProperty
type: SymmetricProperty
comment: Relation between two things which have a fluid exchange connection
domain: BFO_0000040
label: troca fluido com @pt-br
range: BFO_0000040
sub property of: connected to
adapted from: http://www.w3id.org/fso

feeds fluid to
type: ObjectProperty
comment: Relation from a thing feeding fluid to the thing it is feeding fluid to.
label: alimenta fluido para @pt-br
sub property of: exchanges fluid with
inverse of: has fluid fed by
adapted from: http://www.w3id.org/fso

has component
type: ObjectProperty
type: TransitiveProperty
label: tem componente @pt-br
sub property of: BFO_0000051

has flow rate value
type: DatatypeProperty
definition: def. a relation between a flow rate and a float value representing the volumetric flow magnitude
comment: Flow rate typically expressed in cubic meters per day (m³/d) or barrels per day (bbl/d).
domain: flow rate
label: tem valor de vazão @pt-br
range: float

has fluid fed by
type: ObjectProperty
comment: Relation from a thing that is fed fluid to the thing feeding the fluid.
label: tem fluido alimentado por @pt-br
sub property of: exchanges fluid with
adapted from: http://www.w3id.org/fso

has fluid returned by
type: ObjectProperty
comment: Relation between a thing that has fluid returned to it and the thing returning the fluid.
label: tem fluido retornado por @pt-br
sub property of: feeds fluid to
inverse of: returns fluid to
adapted from: http://www.w3id.org/fso

has fluid supplied by
type: ObjectProperty
comment: Relation between a thing that has fluid supplied to it and the thing supplying the fluid.
label: tem fluido fornecido por @pt-br
sub property of: feeds fluid to
inverse of: supplies fluid to
adapted from: http://www.w3id.org/fso

injects
type: ObjectProperty
definition: def. to introduce (something) into a passage, cavity, or solid material under pressure
label: injeta @pt-br
inverse of: is injected by

is injected by
type: ObjectProperty
definition: def. inverse of injects
label: é injetado por @pt-br

is produced by
type: ObjectProperty
definition: def. inverse of produces
label: é produzido por @pt-br

is separated by
type: ObjectProperty
definition: def. inverse of separates
label: é separado por @pt-br

is treated by
type: ObjectProperty
definition: def. inverse of treats
label: é tratado por @pt-br
inverse of: treats

measures
type: ObjectProperty
definition: def. a relation between a sensor and a quality that the sensor is designed to measure
domain: sensor
label: mede @pt-br
range: Class
  union of: BFO_0000019
  union of: ProcessCharacteristic

returns fluid to
type: ObjectProperty
comment: Relation implying logical return flow from a thing to another.
label: retorna fluido para @pt-br
sub property of: has fluid fed by
adapted from: http://www.w3id.org/fso

supplies fluid to
type: ObjectProperty
comment: Relation implying logical supply flow from a thing to another.
label: fornece fluido para @pt-br
sub property of: has fluid fed by
adapted from: http://www.w3id.org/fso

transports
type: ObjectProperty
definition: def. the action of transporting something or the state of being transported
label: transporta @pt-br

treats
type: ObjectProperty
type: FunctionalProperty
type: AsymmetricProperty
type: IrreflexiveProperty
definition: def. to apply a process or a substance to (something) to protect or preserve it or to give it particular properties
label: trata @pt-br