Multiple gas lift valves are usually installed in a well to ensure optimal production as the well's pressures, fluid type, and productivity change. In many gas lift systems, dummy valves are loaded in side-pocket mandrels (SPM) to isolate the annulus from tubing where pressurization is required to test the pressure integrity of tubing or annulus, or to set a hydraulic packer. If the well then requires gas lift to unload the completion fluid or to assist the well to flow, wireline intervention is necessary to change out the dummy valves with the live gas lift string. This process can be time-consuming and can pose risks to existing infrastructures. Production is also delayed while a new live valve unit is installed. In addition, slickline crews are a finite resource and sometimes cannot be scheduled on a gas lift valve change-out project for many weeks. This situation results in un-optimized platform production. Estimates state that one month waiting on a change out for 1 × 20 well platform can result in as much as 100,000 bbl in lost production. This paper presents a time-controlled interventionless barrier system with disintegrable nanostructured composite material technology. The barrier is installed in the well to function as a "smart" dummy valve during completion operations and then convert from a dummy valve to a live valve through in-situ disintegration of the nanostructured composite barrier in brine during cleanup process. This approach eliminates multiple slickline trips or well intervention to replace dummy valves with live valves and significantly increases completion operation efficiency of offshore wells. The nanostructured composite barrier is high strength, chemically resistant to drilling mud, slightly reactive with fresh water, and disintegrates within 12 to 50 hours in salt water. The nanostructured material, the barrier system design, the lab test data, and a successful case study will be presented.

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