Archive for the ‘Reliability’ Category

Tank Overfill Protection and Safety Integrity Level

Monday, December 20th, 2010

The 2005 Buncefield incident was a result of gasoline overfill from a tank (#912) at Buncefield oil storage and transfer depot. A contributing cause for this incident was failure of servo level gauge to indicate high level in the tank - on the day of the incident the gauge indicated static level when the level ...

Equipment Failure Modes

Monday, October 12th, 2009

An existing equipment in a refinery may display flaws/damages that either existed during manufacturing or were induced during service. Let us briefly look at pre-service flaws and service-induced deterioration. Pre-Service Flaws Equipment flaws from pre-service lifetime are often discovered during in-service inspection because in-service inspection techniques are much detailed than during original ...