Clamping Unseated Wellheads for Life Extension

Clamping Unseated Wellheads for Life Extension
March 2020
Nick Pacewicz, Tze King Lim, Lockhart Campbell (Chevron)

This presentation discusses the following:

Captain B overview
• Conductor and riser system overview
• Operational timeline

Global riser analysis activities
• Historical fatigue assessment
• Residual fatigue life for sidetrack operations
• Fatigue challenges

Wellhead dislocation
• Examination of recovered wellhead
• Wellhead thermal growth study

Wellhead clamp design
• Clamp overview
• FE Analysis
• Manufacture and testing

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