Custody transfer metering system for gasesCustody transfer measurement of natural gasCustody transfer measurement of natural gasCustody transfer measurement of natural gasCustody transfer measurement of natural gasFlow computer for custody transfer measurementFlow computer for custody transfer measurementFlow computer for custody transfer measurementFlow computer for custody transfer measurementFlow measurement after pipeline compressor stationsLine pressure measurementLine pressure measurementPipeline ManagementPipeline ManagementTemperature MonitoringFlow monitoring of nitrogen seal gas for compressorsTemperature MonitoringSampling and analyser systemsSupervisory and validation softwareMetering control cabinets
Описания процессов
- Overview
- Custody transfer metering system for gases
- Custody transfer measurement of natural gas
- Flow computer for custody transfer measurement
- Flow measurement after pipeline compressor stations
- Line pressure measurement
- Pipeline Management
- Temperature Monitoring
- Flow monitoring of nitrogen seal gas for compressors
- Temperature Monitoring
- Sampling and analyser systems
- Supervisory and validation software
- Metering control cabinets
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.
Требования к данной позиции измерения
- High-accuracy measurement of gas volume and quality
- Traceable to international standards
- Complying with custody transfer requirements, Master/duty configuration with flowmeter diagnostics
Рекомендуемые изделия и системы
Требования к данной позиции измерения
- High accuracy measurement of natural gas
- Need for diagnostics to ensure measurement accuracy
Рекомендуемые изделия и системы
Требования к данной позиции измерения
- Need for custody transfer certification
- Transparent programming and easy to operate
Рекомендуемые изделия и системы
Требования к данной позиции измерения
- Process control and compressor optimisation
- Probability of swirls and distortions due to compressor station
Рекомендуемые изделия и системы
Требования к данной позиции измерения
- consumption related pressure control
Рекомендуемые изделия и системы
Требования к данной позиции измерения
- 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
Рекомендуемые изделия и системы
Требования к данной позиции измерения
- Detection of overheating
Рекомендуемые изделия и системы
Требования к данной позиции измерения
- Recognise leaks and defective seals quickly to prevent compressor damage
- Indication of the flow
Рекомендуемые изделия и системы
Требования к данной позиции измерения
- Detection of overheating of compressors
- Performance monitoring
Рекомендуемые изделия и системы
Требования к данной позиции измерения
- Measurement of gas quality
- Control of gas mixing process
Рекомендуемые изделия и системы
Требования к данной позиции измерения
- Visualisation and monitoring of critical processes
- Control of reporting, trends and alarm handling
- Statistical evaluation of measurement data
Рекомендуемые изделия и системы
Требования к данной позиции измерения
- Integration of flow computers, PLCs, supervisory computers and printers
- Installation of single flow computers up to fully redundant cabinet
- Complying with custody transfer requirements