Saudi Arabian Oil Company

Khalid Al Subaie

Rashid D Al Hajri

Mohammad R Khunaizi

Fathi BuGubaia

Khalid Al Ghamdi

Zayed Qahtani

The disclosure describes hydrocarbon flowline corrosion inhibitor overpressure protection. Such a protection system includes a fluid flow pathway fluidically coupled to a corrosion inhibitor injection pump that injections corrosion inhibitor into a hydrocarbon carrying flowline. When the injection pump pressure exceeds a threshold flow pressure, the corrosion inhibitor is flowed through a first branch of the fluid flow pathway to relieve the excess pressure. The first branch is fluidically isolated from a second branch. When a rupture disc in the first branch fails, then the corrosion inhibitor is diverted to flow through the second branch and the first branch is isolated from the corrosion inhibitor flow.

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Dammam, Saudi Arabia

Khalid Al Subaie