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Pigging - launchers and receivers

Pigging

Use of a proper pigging program with the correct pig helps maintain the integrity and optimum efficiency of the pipeline while safeguarding both the environment and the pipeline asset.

 

Maintenance of a clean pipeline is important, as buildup of solids impacts throughput. Build-up of deposits can also create conditions for corrosion by reducing the effectiveness of inhibitors.

 

Students have the opportunity to demonstrate proficiency in the in-line inspection, or pigging, process using the launcher and receiver traps on our small scale pipeline system.

Lessons include:

 

  • Reasons to pig
  • Pig types
  • Pig selection, design, and maintenance
  • In-line inspection pigging requirements
  • Pigging operational considerations
  • Pig trap operations, inspection and maintenance
  • Pig handling equipment

 

Various pig trap installations, including:

  • General considerations
  • Service conditions and code requirements
  • Pressure and instrumentation requirements
  • Valves
  • Barrel design
  • Pig trap end closures
  • Materials, fabrication, welding, and marking
  • Special applications