Custody transfer metering systems for LNG

Metering solution for liquefied natural gas

  • Based on ultrasonic or Coriolis cryogenic flow meters
  • From large scale ship (un)loading to bunkering and truck loading
  • Comprising flow metering skid, metering control cabinets, sampling and analyser systems, and all supervisory and validation software

Custody transfer metering systems for LNG

Metering solution for liquefied natural gas

  • Based on ultrasonic or Coriolis cryogenic flow meters
  • From large scale ship (un)loading to bunkering and truck loading
  • Comprising flow metering skid, metering control cabinets, sampling and analyser systems, and all supervisory and validation software

Overview

KROHNE flow metering systems are used throughout the entire natural gas value chain, from high pressure production of (wet) gas throughout all refining operations, and down to city gates that deliver natural gas to local gas grids. Specifically for custody transfer metering (CT) of LNG at cryogenic temperatures, KROHNE developed a metering solution to measure both the volume and quality of LNG. With the first ultrasonic flowmeter for custody transfer LNG measurement released in 2007, KROHNE has over 10 years experience with high accuracy measurement under cryogenic conditions.

KROHNE takes full project responsibility for the system, including metering skids with instrumentation, gas chromatographs and analysers, flow computers, metering control cabinets and all supervisory and validation software. KROHNE LNG metering systems can be designed as a master-duty configuration, where a Z-cross over allows periodical verification of the duty meters against a master meter. The diagnostic features of the flowmeters are used to guarantee maximum performance and lowest measurement uncertainty of the system.

With instrumentation, metering and supervisory system from the same source, customers can rely on seamless integration of all components. KROHNE is established in the Oil & Gas industry since 1921 and has a local presence in over 100 countries to provide on-going support.

  • Ultrasonic flowmeters with integrated transducers can be fully insulated
  • World-class Coriolis flow meters with an impressive LNG track record
  • In-house development of flowmeters, flow computers and supervisory software guarantees seamless integration of metering and diagnostic features
  • In house expertise to discuss custody transfer metering system approvals with local metrology offices
  • Local support in local language available from over 100 offices worldwide
  • Single source responsibility

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