← Back to catalogue
Published

compressor station

vr.tr.compressor-station · thing-q952931

Enable an agent to recognise a compressor station, assess its ability to raise gas pressure within operating limits, and identify actions requiring operational authority.

Thing Registry Physical world and living systems PHY.PLC

Bundle → Layer → Finding → Questions Filled

6 bundles · 11 layers · 17 findings · 30 questions

Gas service and station boundary Identifies the facility, the gas it compresses and its interfaces with surrounding assets.

Facility identity and duty

Establishes what constitutes this station and why compression occurs here.

Station role and owned boundary

Record the physical boundary, asset identity and pressure-raising duty without treating the station as either a single machine or the whole network.

  1. Which physical assets and suction/discharge interfaces define this compressor station? boundary
  2. What gas-transfer or process duty requires compression at this location? definition

Gas and network interfaces

Captures inlet gas assumptions and external conditions imposed at station connections.

Accepted gas and interface conditions

Associate each active gas connection with its permitted composition, phase condition, flow direction and pressure requirements.

  1. What evidence establishes the accepted gas composition, contaminants and liquid-content limits? provenance
  2. Which inlet and outlet conditions must the connected systems provide or accept? boundary
Compression trains and gas path Represents how station equipment combines to produce the required pressure rise.

Train configuration

Records compressor technologies, drivers, staging and permitted combinations.

Train combinations and duty sharing

Identify how installed trains share flow and pressure duty, including standby capacity and configuration restrictions.

  1. Which compressor and driver types are installed, and how are the trains connected in series or parallel? definition
  2. Which train combinations are approved for the required flow and pressure duty? action

Conditioning, cooling and routing

Connects separation, filtration, cooling, recycle and bypass equipment to the gas path.

Supporting gas-path functions

Record which auxiliary functions are installed, what they protect and how their condition restricts compression.

  1. Where do gas separation, filtration and cooling occur, and where are recovered liquids routed? boundary
  2. Which measurements establish whether these systems can support the proposed compression duty? measurement
  3. What approved purposes and restrictions apply to the installed recycle and station bypass paths? action
Operating envelope and control Relates pressure and flow targets to equipment limits, control modes and authorised transitions.

Duty and limits

Defines how measured operation is compared with documented station and train envelopes.

Validated compression operating point

Associate flow, pressures, temperatures and power with their measurement bases and applicable operating limits.

  1. What are the current suction pressure, discharge pressure, gas flow, temperatures and driver load, with locations and timestamps? measurement
  2. Which approved documents establish the limiting operating envelope for the current gas and train configuration? provenance

Control modes and transitions

Records how station demand, train loading and machine protection interact.

Compression control authority

Identify the active control objective, local or remote authority, and technology-specific protections such as anti-surge control where applicable.

  1. Which pressure, flow or load objective currently governs the station, and which controller has authority? definition
  2. What approved permissives and protective controls must be satisfied before changing train loading or station mode? action
Containment and protective response Represents pressure boundaries, gas-release controls and responses to hazardous conditions.

Pressure boundaries and isolation

Identifies pressure-containing sections and evidence of safe separation for intervention.

Verified pressure and isolation boundaries

Record component limits, connected pressure sources, isolation status and residual-pressure evidence for the relevant work boundary.

  1. Which components and interfaces constrain the allowable pressure of each station section? boundary
  2. What verified isolation and pressure-status evidence is required before work on the identified section? action

Shutdown and gas-release management

Relates detected conditions to station shutdown, isolation and controlled gas-release functions.

Documented protective response

Capture applicable detection, trip, relief and depressurisation functions using approved cause-and-effect records.

  1. Which documented conditions initiate alarms, train trips, station shutdown or isolation? provenance
  2. Where do relief and depressurisation flows discharge, and what constraints govern those routes? boundary
  3. What evidence and authority are required to reset a trip or restore service after a protective response? action
Availability, integrity and operating obligations Connects equipment condition, auxiliary services and external constraints to usable station capability.

Condition and support-system readiness

Tracks defects and dependencies that affect train or station availability.

Evidenced capacity and derating

Relate inspection and condition evidence to train availability, utility dependencies and approved deratings.

  1. What vibration, lubrication, seal, leakage or other technology-specific evidence limits each train's readiness? measurement
  2. Which failures of power, fuel, cooling, instrument air or other installed utilities reduce or remove station capacity? boundary
  3. Which inspections, repairs or maintenance releases are required to restore restricted capacity? action

Environmental and regulatory constraints

Records applicable requirements for station integrity, energy use, emissions, releases and noise.

Applicable obligations and evidence

Attach jurisdiction-specific obligations and evidence to the equipment, activity or station boundary they govern.

  1. Which permits, codes and standards apply, with issuing bodies, editions and documented applicability? provenance
  2. Which gas releases, driver emissions, energy inputs and noise levels require measurement, and on what reporting basis? measurement
Evidence and external alignment What the world already says about this thing, gathered so the model can be checked against it.

Reported evidence

Findings from the breadth pass, kept separate from the structural claims.

Check these first

Recalled without web access and unsourced; every item is a lead to verify.

  1. Which of these check these first hold for the sense of compressor station this model covers, and on what evidence? provenance

Kinds and varieties

Recalled without web access and unsourced; every item is a lead to verify.

  1. Which of these kinds and varieties hold for the sense of compressor station this model covers, and on what evidence? provenance

Standards and regulation

Recalled without web access and unsourced; every item is a lead to verify.

  1. Which of these standards and regulation hold for the sense of compressor station this model covers, and on what evidence? provenance

Real-world use

Recalled without web access and unsourced; every item is a lead to verify.

  1. Which of these real-world use hold for the sense of compressor station this model covers, and on what evidence? provenance

Failure modes and hazards

Recalled without web access and unsourced; every item is a lead to verify.

  1. Which of these failure modes and hazards hold for the sense of compressor station this model covers, and on what evidence? provenance

Regional variation

Recalled without web access and unsourced; every item is a lead to verify.

  1. Which of these regional variation hold for the sense of compressor station this model covers, and on what evidence? provenance

Neighbouring kinds and how to tell them apart

Recalled without web access and unsourced; every item is a lead to verify.

  1. Which of these neighbouring kinds and how to tell them apart hold for the sense of compressor station this model covers, and on what evidence? provenance

Classifiers Filled

Family
Thing Registry
Category
Physical world and living systems
Entry kind
thing
Plane
PHY
Domain
PHY.PLC

What it is Filled

A compressor station is a facility containing one or more compressors, their drivers, and associated process, control, and safety equipment that raises gas pressure for transport, storage, or distribution.

In scope

  • Station boundaries, gas service and suction/discharge connections
  • Compression trains, drivers and their coordinated operation
  • Station gas conditioning, cooling, separation and liquid handling
  • Pressure containment, isolation, shutdown and depressurisation arrangements
  • Station operating envelope, condition, maintenance readiness and environmental constraints

Out of scope

  • Individual compressor and driver designs except their station-level roles and limits
  • The wider pipeline network, its routing and system-wide dispatch
  • Gas production, processing or storage facilities beyond station interfaces
  • Gas composition models and commodity ownership
  • Operator organisations, personnel qualifications and commercial transport contracts

Why it exists Filled

Enable an agent to recognise a compressor station, assess its ability to raise gas pressure within operating limits, and identify actions requiring operational authority.

Distinguishing features Filled

  • Contains compressor equipment configured to increase gas pressure between identifiable suction and discharge interfaces; a pressure-reduction station does not meet this test.
  • Has a facility boundary encompassing compression equipment and supporting systems; a standalone compressor is a component rather than the station.
  • Handles a compressible gas service; a liquid pumping station belongs to a neighbouring model.
  • Performs compression as a defining facility function; metering, regulation or valve installations alone do not establish a compressor station.
  • Is identified independently of its instantaneous operating state: shutdown or bypass operation does not remove its identity as a compressor station.

What robots and AI may and may not do Filled

Must not

  • Override, bypass or silence safety shutdowns, gas detectors or relief systems.
  • Start, stop or reconfigure compressors without the operator's authority.
  • Vent or flare gas beyond permitted limits or without notifying the operator.
  • Share security-sensitive details of station layout or controls with unauthorized people.

Only with a human decision

  • Emergency shutdown or blowdown of a station.
  • Restarting after a trip or incident.

May

  • Monitor pressures, temperatures, emissions and alarms at stations the agent is authorized to watch.
  • Report leaks, faults and maintenance needs to the operator.

Moral aspects Filled

  • Gas leaks and fires near stations endanger workers and neighbours.
  • Methane emissions and noise fall on nearby communities, often rural or poorer ones.

Who is affected

  • Station workers
  • Neighbouring residents
  • Gas customers who depend on supply

Owners Filled

Steward

The pipeline operator; the energy and safety regulators license and inspect it.

Master systems

  • Pipeline and gas facility regulatory records

Links to other meta-models Filled

parent

  • Q13226383 - registry parent class

What else AI and robots need to interact with it Filled

Identity and identifiers required Filled

  • Vercy registry: vr.tr.compressor-station
  • Wikidata: Q952931 (https://www.wikidata.org/wiki/Q952931)

Direct properties required Filled

  • Gas service and composition basis: Service designation; composition reference; applicable contaminant and phase limits
  • Station network role: Connected assets and role, such as transmission boosting, gathering, storage injection or process-gas supply
  • Suction and discharge pressures: kPa or bar, explicitly absolute or gauge, with measurement location and timestamp
  • Station gas throughput: kg/s, or m³/h with actual or standard reference conditions explicitly stated
  • Gas temperatures: °C or K at identified suction, discharge and cooling locations
  • Compression train arrangement: Train count; compressor technology; driver type; series, parallel and standby configuration
  • Permitted operating envelope: References to approved pressure, temperature, flow, speed, power and gas-quality limits
  • Driver power demand: kW or MW, with electrical input, shaft output or fuel-energy basis identified
  • Station operating mode: Locally defined modes mapped to stopped, starting, compressing, bypassing, stopping, tripped or maintenance
  • Compression availability: Available trains, unavailable trains, deratings and limiting auxiliary systems
  • Isolation and pressure status: Verified isolation boundaries; pressurised, depressurised or unknown status for each relevant section
  • Applicable requirements: Jurisdiction, issuing body, document identifier, edition, applicability and supporting evidence

Recognition required Filled

  • A fenced industrial compound with compressor buildings, piping, coolers and vent stacks.
  • Located along a pipeline route, often with gas warning signs.

Capabilities and actions required Filled

  • Identify station connections and determine which gas streams and network duties it serves.
  • Compare recorded operating conditions with approved station and train envelopes.
  • Assess available compression capacity under train outages, utility limitations and deratings.
  • Identify prerequisites and responsible authority for a proposed start, stop, bypass or loading change.
  • Trace alarms and abnormal measurements to affected trains, gas paths and protective functions.
  • Prepare a maintenance scope using verified pressure boundaries, isolation evidence and outstanding defects.

Hazards and failure modes required Filled

  • Gas leaks, fires and explosions.
  • Methane and other emissions to air.
  • Loud noise affecting workers and neighbours.

Standards and interfaces required Filled

  • ASME B31.8, issued by the American Society of Mechanical Engineers, covers gas transmission and distribution piping systems, including compressor station piping within its scope.
  • ISO 13623, issued by the International Organization for Standardization, addresses pipeline transportation systems in the petroleum and natural gas industries, including associated stations within its scope.

Context of use required Filled

  • Compressor stations are installed along gas transmission pipelines and at associated storage or network connection points.
  • They raise gas pressure to compensate for transport losses and maintain the flow required by the network.

Sources Filled

  1. Wikidata item Q952931: compressor station - identity and sense of the item
  2. Wikipedia: Compressor station - general description of the item

Open questions

  • Does the registry intend compressor station to cover all gas-compression facilities, including industrial compressed-air stations, or primarily pipeline gas infrastructure?
  • Does an existing Vercy world model already own this concept or a sufficiently equivalent infrastructure class?
  • Which authoritative sources establish the inclusion boundary between a compressor station, a packaged compressor installation and a compression area within a larger plant?
  • Which standards and regulatory regimes apply to each intended gas service and jurisdiction, and which requirements belong at station versus component level?
  • Which capacity ranges, failure modes and protective arrangements can be supported by sources for the intended station subtypes without implying universal values?

Machine files

Provenance

thing registry research (pass 2) · unreviewed

Built from: models/things/publications/thing-q952931/spec.json