• Published: 22 Jun 2020

Operating Process Equipment

Operating Process Equipment
Operating Process Equipment

Description of Incident

A Liquified Natural Gas (LNG) plant has recently identified instances of corrosion underneath instrument tubing block clamps. This corrosion has led to tubing failure and leaks.

Examples include:

  • · a hydraulic oil leak on a loading arm hydraulic system
  • · instruments leak on an ethylene compressor discharge line from a ½ inch stainless steel instrument tube. The pressure in the line at the time was 6.5 barg. The line can operate up to 9 barg.

A survey of similar installations across the facility found further evidence of corrosion particularly in marine environments.

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