Lessons Learned from Flexible Risers Fatigue Exceedance, followed by Offshore Retermination and Dissection Event: Lessons Learned from Flexible Risers Fatigue Exceedance, followed by Offshore Retermination and Dissection Date: April 2021 Author: Pedro Viana, Asad Khalid - 2H, Mehrdad Mansour - Tullow This presentation covers the following: • Field and risers description – Jubilee Field , offshore West Africa • Causes of Fatigue exceedance • Revised MetOcean data • Turret seizer • Fatigue analysis – overview, key results and risks identified • Inspection and control prior mitigation • Mitigation execution – Riser re-termination and retrofit spread-mooring of the vessel • Inspection of the recovered section • Learning from the dissection and testing of recovered sections. • Validation of the pre-analysis based on the assessment of recovered sections • Closing statement and conclusions. If you would like a copy of this technical paper register to download it (pop-up form). Back to All Technical Papers Services Deepwater Production Systems Riser Concept Engineering Steel Lazy Wave & Catenary Risers Top Tensioned Risers Hybrid Risers Flexible Risers, Flowlines & Umbilicals Composite Risers Subsea Flowlines & Jumpers Subsea Umbilicals System Verification & CVA Integrity, Life Extension & Monitoring Riser Integrity & Life Extension Subsea Wellhead System & Life Extension Machine Learning for Riser Engineering Riser System Digital Twin Riser Monitoring System Engineering Riser Inspection, Maintenance & Repair Subsea Incident Engineering Fracture Mechanics and ECA Offshore Renewables & Alternative Resources Decarbonisation Fixed Offshore Wind Floating Offshore Wind HV Cable Engineering Moorings & Anchors Deep Sea Mining Drilling, Completion & Workover Drilling Risers Drilling Riser Management Subsea Completion & Workover Risers Subsea Wellheads & Conductors Offshore Platform Conductors Platform Well Integrity & Life Extension Well Engineering Well Plug & Abandonment Minimum Facility Platforms Conductor Supported Wellhead Platforms & CoSMOS Monopile Wellhead Platforms Exploration to Early Production Systems Structural Engineering Services Installation Engineering Decommissioning Engineering Riser Delivery Management Component Detailed Design Mechanical Connectors Systems & Qualification Testing Get the latest riser insights! Receive our riser news, published papers and blog posts in your inbox monthly. * Related Lessons Learned from Flexible Risers Fatigue Exceedance, followed by Offshore Retermination and Dissection 2H Offshore, April 20, 2021 You may also be interested in... Blog Recruitment Hoax Emails