Electrical submersible pump stage construction

Details Electrical submersible pump stage construction Electrical submersible pump stage construction

2007-07-31

2011-11-29

Look, Edward (Department: 3745)

Rotary kinetic fluid motors or pumps

Working fluid passage or distributing means associated with...

Passage or casing attached removable liner or wear member

C415S199100, C415S199200, C415S211200

Reexamination Certificate

active

08066476

ABSTRACT:
A pump stage is disclosed for use with an electrical submersible pump. The stage includes an impeller and diffuser, each having a hub, blades and an outside ring. In such pump stage, the stage flow area is constructed from separate segments manufactured from wear resistant material. Furthermore, each separate segment is retained by the hub using an external compression fit ring.

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Australian Patent Office Examination Report and Search Report, Application No. SG 200704906-7, Date of Mailing Apr. 23, 2008.

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