Refinery embraces risk-based inspection plan

A risk-based inspection (RBI) plan allowed the Conoco Inc. Commerce City, Colo., refinery to markedly cut its inspection costs and evaluate crudes, according to David Long, reliability leader at the refinery. From May through November of 1998, the Process North American division of Det Norske Veritas (DNV) conducted an RBI of the fixed equipment (process towers, drums, exchangers, and process piping) in the crude unit at Conoco's Commerce City, Colo., refinery. DNV's Process North America division provides risk and reliability services in process safety and risk, mechanical integrity services, and RBIs. The division also provides field services in materials engineeri...

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