Dual zone flow choke for downhole motors

Details Dual zone flow choke for downhole motors Dual zone flow choke for downhole motors

2007-08-14

2010-11-09

Neuder, William P (Department: 3676)

Wells

Processes

With indicating, testing, measuring or locating

C166S369000, C166S373000, C166S316000, C166S105500

Reexamination Certificate

active

07828059

ABSTRACT:
A submersible pumping system for use downhole, wherein the system includes a pump, an inlet section for receiving fluid, a pump motor, and an actively controlled flow restriction device for controlling flow to the submersible pump from an upper fluid producing zone. Active flow control proximate to the submersible pump motor protects the pump motor from overheating.

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patent: 2005/0110655 (2005-05-01), Layton
patent: 2005/0217860 (2005-10-01), Mack et al.
patent: 2008/0236821 (2008-10-01), Fielder
patent: 2009/0050312 (2009-02-01), Zupanick

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