Saudi Arabian Oil Company

Ahmed Abdullah Al-Mousa

Qadir Looni

An assembly for closing inflow control devices (ICDs) using dissolvable balls and plugs includes ICDs, each of which can be installed at a respective fluid producing zone of a subterranean zone to control flow of well fluids from the respective fluid producing zone into a wellbore. The assembly includes compartments corresponding to the ICDs, each to be installed within a respective compartment. The compartments are serially connected to each other and arranged sequentially from an uphole location to a downhole location. The compartments define successively smaller diameters from the uphole location to the downhole location. The assembly includes plugs corresponding to compartments. Each plug can be received in a respective compartment to close flow of well fluids from the subterranean zone into the wellbore through a respective ICD installed in the respective compartment. The plugs are serially connected to each other and installed uphole of the compartments.

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Baluchistan, Pakistan

Ahmed Abdullah Al-Mousa