Life Extension is the period beyond the design life for which a facility is to operate while still maintaining acceptable standards of operational and technical integrity.

A large number of assets in the oil and gas industry are approaching or have exceeded their original design life. Many fields still have recoverable oil and gas that can be extracted using the existing facilities or enhanced methods, and in some areas, new fields are tied into the existing platforms. Many offshore operators are requiring their installations to operate for several years beyond their original design life while continuing to meet business and regulatory requirements for reliability and safety.

From a safety point of view, keeping the integrity of equipment during the life extension period is vital. Thus, formal assessments are needed to demonstrate that there is sufficient technical, operational, and organizational integrity to continue safe operation throughout a life extension, something that requires detailed information on history, the current state, and prediction on the future state of the facility.

Key Ageing & Life Extension Issues:

  • Ageing/deterioration
    – External/internal corrosion
    – Structural degradation/failure (e.g. fatigue)
    – Backlogs of maintenance
  • Changes in process conditions over time
  • Cumulative effect of modifications
  • Obsolescence
  • Information capture/retention (IT + human!)
  • Advances in knowledge/technology
  • Improvement in good practise
  • Anticipation of changes
Risk of failure graph

FUSION Key Features:

  • Web-based with robust security
  • Compliant with API and NORSOK documents
  • API 581, 579 and API 571 Damage Mechanisms
  • Risk Assessment based on API 581
  • Remaining Life Assessment based on API 579
  • Recommend Life Extension Period
  • Recommend Inspection, Mitigation and Maintenance
  • Increase Availability, Reliability, Efficiency and Safety
  • Integrity Assessment of Ageing Assets
  • Evaluate current conditions and predict remaining life

FUSION Key Functions:

  • Identify Ageing Equipment
  • Identify Damage Mechanisms
  • Calculate Damage Factors
  • Calculate POF, COF and RISK
  • FFS Recommendation
  • Calculate Remaining Life
  • Calculate Life Extension Period
  • Recommend Inspection & Maintenance Plans
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LifeTech Engineering Ltd.
Unit 13, Innovation Centre,
Aberdeen Energy Park,
Exploration Drive, Bridge of Don,
Aberdeen, AB23 8GX, UK.

Phone: +44 (0) 1224 824112

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