As a result of the increasing emphasis on reducing operating costs and minimizing deferred production, a new system was designed for the reperforation of wells lifted with Electric Submersible Pumps (ESP's). This paper describes an alternative method that can be used when a Tubing Conveyed Perforating (TCP) system is required for the underbalanced reperforation of an ESP well. The method employs a combined ESP/Y-tool/TCP assembly and can save approximately 24 hours in rig time over conventional methods. Use of the method can avoid substantial deferred or lost production, particularly when other wells requiring workovers are awaiting use of a rig at considerable cost. The system can also be used for the completion of new wells where an ESP is required from the outset.

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