Regasification in the oil & gas industry

Converting LNG to natural gas

At the receiving terminal the LNG is stored within very large and extremely well insulated tanks. Custody transfer measurement systems on the delivered LNG and the boil off gas returned to the ship’s tanks to provide accurate accounting data on the received fuel into the terminal. Once the tanker has left, any boil off gas is compressed and re-liquefied in a condenser, or alternatively can be flared off, via a flowmeter.

Requirements

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

Requirements

  • Measurement of sea water for process control
  • Energy balance of heat exchange process

Requirements

  • Level measurement of gas and liquid in cryogenic conditions
  • Cryogenic temperatures (<-162°C)

Requirements

  • Cryogenic temperatures (<-162°C)
  • Accurate measurement for process control

Requirements

  • Injection of odorant in natural gas
  • Indication of the flow of chemicals
  • Ensure continuous injection

Requirements

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

Requirements

  • Cryogenic temperatures (<-162°C)
  • Risk of overfill or dry run
  • Inventory measurement

Requirements

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

Requirements

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

Requirements

  • Measurement of gas quality
  • Control of gas mixing process

Requirements

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

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