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Disaster Prevention & Safety Research

After the 1994 Ahyeon-dong gas explosion, KOGAS increased safety management in earnest. Since then, the need for scientific safety management has emerged, and a safety and disaster prevention research department has been newly established within the R&D Center to provide technical support. With a sense of responsibility and the mission statement “Safety is the best value of our corporation,” all employees operate our facilities safely today by making continuous efforts to ascertain causes of accidents and by taking countermeasures.

To support scientific and practical safety management, we have secured qualitative evaluation technology for production and supply facilities, and have successfully developed and applied quantitative risk assessment technology, which is practically used in relatively few advanced countries. In doing so, KOGAS’s safety research team is evaluated as the most proficient gas safety research team in Korea. We have developed a buried pipeline risk assessment program to support pipeline safety management.
We are also actively supporting our field departments by resolving issues and suggesting countermeasures to problems in depth of burial, collision with other structures, and vibration and stress caused by external construction at the pipeline site.
The “’Exposed Gas Pipeline Monitoring System”, developed to ensure the safety of underground exposed pipes, which are known to be high-risk, monitors the structural safety of pipes exposed due to causes such as subway construction. It is expected that KOGAS’s scientific safety management capability will advance through this 24-hour monitoring system.

Through pipe repositioning technology, pipes are excavated then relocated rather than being moved when gas is supplied. This technique, developed in 2008, is considered the most cost-effective technology that does not sacrifice safety. Our safety research department aims to reach other advanced countries’ level by continuously developing and applying gas safety technology including the development of safety diagnosis technology for outdated facilities. In short, we are striving to make KOGAS accident-free.

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Strategic goals and main tasks of safety and disaster prevention research
Strategic Goal Securing Gas Facility, Safety Evaluation Technology
Main Tasks
  • Establishment of continuous facility risk assessment and risk management support system
  • Analysis of disaster prevention facilities, and system optimization
  • Safety analysis of gas production and supply facilities
  • Seismic performance evaluation of gas facilities, and development of earthquake monitoring system
  • Safety research for exposed pipes, and development of monitoring system
  • Gas plant noise and vibration analysis
  • Establishment of experimental system for underground facility demonstration

Core Technology

  • LNG Plant and Facilities Quantitative Risk Assessment Technology

    • LNG plant/NG station quantitative risk assessment technology
    • LNG plant/NG station reliability analysis system, and database construction
    • Vent stack gas dispersion analysis system development and application
    • 설비 및 매설배관 위험성 평가

    • 설비 신뢰도 분석 시스템

  • Consequence and Effect Analysis Following Hazardous Fluid Release

    • Prediction of fire and explosion from LNG/NG Accidental Release using CFD and Integral theory
    • Optimization of ventilation system through CFD analysis
    • CFD 해석을 위한 설비 모델링

    • 정압동 유동 해석

  • Gas Plant Structural Safety Diagnosis

    • Gas plant structural analysis technology
    • Development of precision safety diagnosis system for gas supply facilities
    • Unloading Arm 및 Modelling

      Unloading Arm and Modeling

    • 매설배관 구조해석 결과

      Result of Structural Analysis of Buried Pipe

  • Gas Facility Safety Monitoring System

    • Exposed gas pipeline monitoring system
    • Buried pipe stress and strain monitoring system
    • 노출 가스배관 모니터링 시스템

      Exposed gas pipeline monitoring system

  • Buried Pipe Movement Technology

    • Pipe movement analysis technology development
    • Pipe movement monitoring system (pipeline stress, pipeline coordinates, etc.)
    • Development of pipeline movement procedure
    • Buried pipe movement monitoring technology

      Buried pipe movement monitoring technology

  • Seismic Technology

    • Development of KOGAS integrated earthquake monitoring system
    • Development of seismic performance evaluation technology for production and supply facilities
    • Development of expansion joints for gas pipelines to respond to ground subsidence and earthquakes
    • 생산기지 언로딩 암 내진성능평가(모델링)

      Seismic performance evaluation of LNG Terminal unloading arm (modeling)

  • Establishment of Underground Facility Demonstration Test System

    • Establishment of an empirical laboratory capable of testing pipe stress, vibration shock, and pipe movement
    • Development of a test for applying upper pipe load such as earth load, vehicle load, and construction equipment load
    • The basis of future new pipe technology development
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