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Offshore Infrastructure Integrity and Life Extension: From Data to Decisions

Thursday, 7 May
Room 604
Technical Session
This session highlights innovations in offshore integrity management and life extension strategies for risers, flowlines, and subsea systems. Topics include data-driven fatigue analysis, fitness-for-service assessments, and risk-based corrosion management for offshore pipelines. Case studies demonstrate how real motion data, advanced inspection technologies—such as electromagnetic and ultrasonic NDT tools—and maintenance optimization techniques improve reliability in ultra-deepwater environments. Additional presentations explore subsea Xmas tree maintenance and intelligent well system reliability. Collectively, the papers emphasize the transition from model-based to data-centric approaches, enabling safer, more efficient, and longer service life for critical offshore infrastructure.
Chairperson(s)
Antonio Cardenas, Independent - Consultant
Janaina Izabel Da Silva De Aguiar - Syensqo
  • 1400-1418 36916
    Case Study: Flexible Risers Fatigue Analysis Based On Measured Vessel Motions
    D. Lobo, R. Becho, 4subsea do Brasil; B.W. Jæger, H. Skjerve, 4Subsea AS; L. Ferreira Serrao, 4subsea do Brasil
  • 1420-1438 37081
    Devils Tower Spar Export SCRs: A Deepwater Life Extension Case Study
    D. Deka, 2H Offshore Inc.; V. Patil, 2H Offshore; Y. Park, Williams
  • 1440-1458 36840
    Optimizing Inspection Strategies - Risk-based Management Of Internal Corrosion In Offshore Subsea Flowlines
    L. Han, V. Patil, D. Vadel, 2H Offshore Inc.; Y. Ruocco, F. Yiu, T. Mackey, Murphy Exploration & Production Company
  • 1500-1518 36964
    Transitioning From Model-based To Data Driven Fatigue Analysis In Offshore Risers
    A.Å. Pedersen, 4Subsea AS
  • 1520-1538 37191
    Subsea Xmas Tree Maintenance Optimization
    D. Semwogererere, Norwegian University of Science & Technology; J. Vatn, Norwegian University of Science and Technology; S. Sangesland, Norwegian University of Science & Technology; D. Colombo, Petrobras
  • 1540-1558 37104
    Validation Of An Electromagnetic-based Ndt Inspection Tool For Detecting Tensile Armor Wire Ruptures In Flexible Pipes Under Ultra-deepwater Environments
    F. Goettems, C. Fernandes, E. Schneider, G. Sieverding Bier, F. Wallauer, F. Bertoni, Simeros Technologies
  • 1600-1618 36869
    Baldpate Compliant Tower Ultimate Strength Assessment Using Dynamic Progressive Collapse Methods
    A. Parth, Spire Engineering Services LLC; D. Ramsay, Hess Corporation; Y. Moslehy, R. Sheppard, Spire Engineering Services LLC
  • Alternate 36972
    Safely Extending The Life Of Aging Top Tensioned Risers Using Fitness For Service Techniques
    P. Ward, A. Szucs, 2H Offshore; A. Surowiec Morgan, Sonomatic
  • Alternate 36945
    Enhancing Intelligent Well Reliability: Lessons From Long-term Operations In The Middle East
    Z. Arackakudiyil, Halliburton Co.; A.A. Abdulhalim, Halliburton
  • Alternate 37158
    Riser Inspections Using A Self-propelled Ultrasonic Solution
    J. Nonemaker, ROSEN USA

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