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Sand management/control

Optimized Multizone Single-Trip Gravel-Pack System Deployed in Brownfield

This paper describes an optimized multizone single-trip gravel-pack system developed and implemented successfully in Brunei.

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October 1, 2024
Journal of Petroleum Technology
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From left: SSD drop test, drifting with the service tool, and function testing with the slickline shifting tool.
Fig. 1—From left: SSD drop test, drifting with the service tool, and function testing with the slickline shifting tool.
Source: SPE 214914.

The operator constructs many wells that require active sand control for multiple zones in cased-hole environments with the option for zonal selectivity and the possibility of watered-out zones to be isolated through well intervention. The most frequently used tubing in these wells is 3½-in. tubing, which poses a selectivity challenge when used in the standard 9⅝-in. multizone single-trip (MZST) gravel-pack system.

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