Safety Critical Element Management Manual


SCE group SD003SCE group title



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SCE group SD003
SCE group title High Integrity Pressure Protection Systems (HIPPS)
HIPPS provide high integrity instrumented over pressurisation protection for pipelines, equipment or piping systems that do not have sufficient mechanical protection for the maximum envisaged fluid pressure.
To protect against over- pressurisation of gas transportation pipeline systems.
At system level
SCE group SD004
SCE group title Operational Well Isolation
Well Isolation system including all components with a role to isolate the well, or annulus, following a hazardous event. To isolate the well in response to an upset/abnormal event.
Xmas Trees including actuated and manual isolation valves – (UMGV, PWV, Swab, LMGV,
etc.), Sub Surface Safety Valves SSSVs, actuated gas lift isolation valves and injection check valves/storm chokes
At item level, i.e. per well

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