We continuously develop the integrity and the reliability technologies required for design, construction, and maintenance in natural gas industry; and provide various techvnical solutions to the operation departments to maximize reliability of the natural gas production and supply facilities in KOGAS.
We can provide various technical services to customers to solve technical troubles in a field of failure cause analysis technology, fitness-for service, remaining life estimation, repair/maintenance technology, and hydrogen pipe technology. We are also striving to enhance the efficiency of our core technologies. KOGAS will develop new energy transmission pipeline technologies such as hydrogen pipe, cold control piping and CCUS (Carbon Capture Utilization & Storage) piping in order to respond to the energy transition in the gas industry and to create new added values,.

• Piping Material Behavior

  • Material selection and evaluation: Gas facility metallurgical evaluation & analysis
  • Welding procedure: Development of automatic circumferential welding, and small diameter pipe fillet welding procedures
  • Fracture control: Evaluation of fracture strength and ductile fracture control characteristics of pipe facilities
  • Damage analysis: In case of equipment damage, precise cause is identified, and solutions are presented.

  Integrity Evaluation and Maintenance

  • Defect evaluation: Evaluation of the complex effects of materials, environment, and load factors when damage occurs
  • Repair procedure: Determination of repair plan for damage, and creation of procedure manual
  • Stress analysis: Accurate evaluation of stress strain through computer analysis when external environment changes cause unusual conditions
  • Remaining life expectancy: Development of life-span estimation method based on real-time diagnosis and fault behavior

• PNG Piping

  • Design: Securing strain-based design and subsea piping design technology
  • Welding and non-destructive: Automatic circumferential welding of large diameter pipe, and ultrasonic flaw detection
  • Maintenance: Submarine pipe maintenance technology

  Electrical Design and Corrosion Diagnosis

  • Electrical design: System analysis and design
  • Diagnosis of on-site corrosion for protection and resolution of causes
  • Development of diagnostic equipment
  • Development of condition management system

• Anticorrosive Coating

  • Coating material selection and evaluation: Coating material property analysis
  • Coating process development

  Review of New Energy Pipeline Business

  • Hydrogen Pipe, Cold control pipe, deep-sea pipe design, and construction technology

• Review of Supply Technology

  • CCSU (Carbon Capture, Utilization & Storage) pipe: CO2 piping

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    Fracture Strength Test for Gas Piping Materials

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    Full-size Pipe Rupture Test to Evaluate Residual Strength of Damaged Pipe

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  Finite Element Analysis for Structural Stability Evaluation of Sleeve Repair Welded Piping

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  Remote Monitoring System

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  Other Corporations’ Monitoring System