Description

Custody transfer metering system for gases

Requisitos para el punto de medición

  • High-accuracy measurement of gas volume and quality
  • Traceable to international standards
  • Complying with custody transfer requirements, Master/duty configuration with flowmeter diagnostics

Description

Custody transfer measurement of natural gas

Requisitos para el punto de medición

  • High accuracy measurement of natural gas
  • Need for diagnostics to ensure measurement accuracy

Description

Flow computer for custody transfer measurement

Requisitos para el punto de medición

  • Need for custody transfer certification
  • Transparent programming and easy to operate

Description

Flow measurement after pipeline compressor stations

Requisitos para el punto de medición

  • Process control and compressor optimisation
  • Probability of swirls and distortions due to compressor station

Description

Line pressure measurement

Requisitos para el punto de medición

  • consumption related pressure control

Description

Pipeline Management

Requisitos para el punto de medición

  • High sensitivity monitoring of transmission pipelines
  • Batch tracking, scheduling and monitoring of pipeline tightness and lifetime stress
  • Retrofit onto existing pipelines or tailor-made technical solutions

Description

Temperature Monitoring

Requisitos para el punto de medición

  • Detection of overheating

Description

Flow monitoring of nitrogen seal gas for compressors

Requisitos para el punto de medición

  • Recognise leaks and defective seals quickly to prevent compressor damage
  • Indication of the flow

Description

Temperature Monitoring

Requisitos para el punto de medición

  • Detection of overheating of compressors
  • Performance monitoring

Description

Sampling and analyser systems

Requisitos para el punto de medición

  • Measurement of gas quality
  • Control of gas mixing process

Description

Supervisory and validation software

Requisitos para el punto de medición

  • Visualisation and monitoring of critical processes
  • Control of reporting, trends and alarm handling
  • Statistical evaluation of measurement data

Description

Metering control cabinets

Requisitos para el punto de medición

  • Integration of flow computers, PLCs, supervisory computers and printers
  • Installation of single flow computers up to fully redundant cabinet
  • Complying with custody transfer requirements

Overview

Natural gas pipeline in the chemical industry

High accuracy custody transfer measurement

Large volumes of natural gas are transported using high pressure transmission pipelines, delivering to power plants, LNG liquefaction plants, large industrial users and city gates. Compressor stations along the pipeline maintain the flow, and the line pressure - at around 60bar: these stations normally use gas from the pipeline to power the compressor. If the gas is to be used in a local gas grid, the pressure would be reduced to around 8 bar at the city gate in a pressure regulating station.

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