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  • Dual Concentric/Multiple Zone

    RMSpumptools Dual Concentric/Multiple Zone is a dual ESP system, using two independent ESP systems that separately and individually produce two production zones in the same well without co-mingling the fluids.

    Dual Concentric/Multiple Zone

Dual Concentric/Multiple Zone >>

The Upper Zone is produced by the upper ESP which is configured with the RMSpumptools Dual Flow Y-Tool. The Lower ESP, which is encapsulated in the pressure-tight shroud (suspended off the bypass of the Upper ESP), pumps the lower zone. The tailpipe of the Shroud is fitted with a Seal Mandrel that engages into the PBR of a permanent packer, separating the two production zones.

Co-mingling of fluid is prevented by the use of a separate concentric tubing string (inside the main production string), creating a micro annulus. The concentric tubing is fitted with a Seal Mandrel that locates in the Seal Bore in the Dual Flow Y-Tool.

This is a low cost solution to dual zone pumping, requiring no down-hole “intelligent” technology. Only one well is required to produce two zones.No down-hole production measurement equipment is required as accurate measurement of production of each zone can be done at surface.

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