Monitoring the leakage and condition of Emergency Shutdown Valves (ESVs) on offshore oil and gas platforms is an essential part of maintaining the safety of personnel and protecting the environment. Failure of these valves to operate when they are needed also has an enormous economic impact. The ESVs are intended to isolate each section of the platform in the event of a line break or fire, preventing hydrocarbons from flowing into the affected section. This paper describes a unique approach to monitoring these valves for leakage while the systems are in operation.

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