RINA – Asset Life Extension Through Reverification

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Problem Statement  

OEM recommended that gas turbine was at end of life based on operational history and needed to be retired from service, compromising viability of offshore facility.

Aims

  • Perform independent assessment of compressor/ turbine condition and residual life.

Method

  • Reviewed operation and maintenance record
  • Completed detailed assessment of asset including metallography
  • Reversed engineered 2 blades
  • FEA modelled steady state and transient loads

Impact

  • Verified design life at full and reduce loads
  • Validated 6 years continued operation
  • £5M capex avoidance
  • Mitigated premature CoP

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