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Engineering Expert Witness Case Study:
Oil Field Equipment Failure


An oil field assembly failed, with the test plug departing the stripper bowl adapter and causing a fatal injury. Finite element models estimated the stress levels under internal pressure. Various adapter design improvements, which were readily-available to the manufacturer, were identified. Opinions expressed included the identification of design flaws and of readily-available strength calculations that had not been performed. The opinions indicated that this produced a foreseeable risk of adapter failure, and that had the flaws been corrected or the calculations been performed and honored, the fatal injury would in all likelihood not have occurred. case study

 
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