ACOUSTIC TESTS DURING COOLDOWN FIND CRACKS IN REACTORS AT GULF COAST REFINERY

A major Gulf Coast refinery in late 1989 conducted the largest to-date acoustic emission test for structural defects in the oil industry, according to Physical Acoustics Corp. The project employed a large-scale cooldown, or thermal gradient, testing methodology that can be used on any number of vessels within a refinery. The effort was designed to test for structural defects in the hydrocracker and catalytic reformer units, with minimal downtime. The testing provided a global review of

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