Wellhead Threaded Closure Failure Investigation and Design Modifications

O’Donnell Consulting Engineers investigated the cause of an accident due to a failed threaded closure on a wellhead. Through metallurgical evaluations, material testing, and engineering analysis, it was determined that the cast iron nut had failed due to fatigue. Design modifications were then recommended.


We Perform Root Cause Failure Analysis Services for Clients in Industries including Energy, Mining and Oil / Gas.

(412) 835-5007

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