Technical advisory

Fitness-for-service (FFS) assessments - Structural integrity of assets in oil and gas

Fitneess-for-service assessments

FFS assessments by DNV GL – helping oil and gas operators manage the structural integrity of their assets

Fitness-for-service (FFS) and structural integrity of assets

Fitness-for-service assessments are quantitative engineering evaluations performed to demonstrate the structural integrity of assets. DNV GL has extensive experience with fitness-for-service assessments on various assets (pressure vessels, pipelines, offshore-structures, etc.) – helping oil and gas operators make “run-repair-replacement” decisions. 

Our fitness-for-service assessments will benefit customers in the oil and gas industry by supporting: 

  • Reduced operational and maintenance costs
  • Long-term structural integrity of assets
  • Life extension of assets and reduction in capital expenditure
  • Justification of safe operation to regulators.

Comprehensive fitness-for-service assessments based on industry standards

We have a proven track record in conducting comprehensive fitness-for-service assessments using accepted industry standards such as API 579, BS 7910 and DNVGL-RP-F101; many of which include contributions from DNV GL engineers. Some of our selected fitness-for-service offerings for the oil and gas industry include:

  • Defect assessments 
  • Pipework stress analysis 
  • Finite element analysis (FEA)
  • Engineering-critical assessments (including fatigue/fracture)
  • Remnant life studies and life extension of ageing assets
  • Structural reliability analysis
  • Root cause analysis and failure investigations
  • Assessment of composites, steels and other materials
  • Third-party independent reviews
  • In-line inspections (ILI) 
  • Non-destructive testing (NDT).

DNV GL’s fitness-for-service offerings

We differentiate our fitness-for-service offerings from the competition by providing: 

  • Unmatched domain knowledge
  • Competitive price with unparalleled quality of services
  • Global presence with local expertise
  • One-stop solution provider for all your asset integrity needs.
Whether it is a small design analysis task, or a large plant life extension program, our qualified fitness-for-service consultants are ready to develop cost-effective solutions for your business needs.

Contact us:

Neil Bramley

Neil Bramley

Head of Section Integrity Management in Technical Advisory

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