Patent ID: 11859449
Assignee: SAUDI ARABIAN OIL COMPANY
Field: Civil engineering (Other fields)
Classification: CPC E | IPC E

Claim 5:
6. A downhole sub comprising:
a body defined by a wall extending in an axial direction from a first end to a second end, wherein an inner surface of the wall defines a flow path through the downhole sub and an outer surface of the wall defines an outer diameter of the downhole sub;
a compartment extending from the outer surface into the wall to having a depth less than a thickness of the wall;
a housing removably fixed in the compartment;
one or more mobile devices disposed in the housing, wherein each of the one or more mobile devices comprises a sensor encapsulated in a protective material; and
a plug blocking an opening of the housing, wherein the plug is made of a dissolvable material configured to dissolve at a predetermined depth in a wellbore and release the one or more mobile devices into the wellbore,
wherein the housing comprises a storage compartment to store the one or more mobile devices,
wherein the opening extends a length from a top surface of the housing to the storage compartment, and the plug is coupled into the opening, and
wherein the housing comprises a fluid inlet in fluid communication with the storage compartment.