Quigley Scientific: Stress Fatigue Analysis of Large Scale Tapered Threaded Systems on Oil Strings


Stress Fatigue Analysis of Large Scale Tapered Threaded Systems on Oil Strings


Large scale tapered threaded systems were analyzed for applications in the oil field. The analyses involved convergence studies for mesh modeling using complex load combinations and contact analysis for all threads in the system. Plasticity analyses and durability calculations were completed with the classical fatigue relationships and fatigue crack growth modeling. The project resulted in extending the state-of-the-art of threaded connection analysis.

 

 

 

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