Upper Zone ESP / Lower Zone ESP (Seal Bore Packer)
System 23: Dual Zone - Dual ESP - Comingled Single Tubing
Multiple reservoirs can be produced independently in the same well bore. In cases where the upper zone and the lower zone require an ESP, a dual zone completion can be used with a single production tubing string by comingling the discharge of each ESP.
When the distance between zones is restricted, a pod system
with seal bore packer can be used.
This also allows zones to be isolated with an isolation valve to prevent communication between zones during a workover.
Advantages
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