Labyrinth seal for pumping system

Details Labyrinth seal for pumping system Labyrinth seal for pumping system

E - Fixed Constructions

21

B

E21B 43/34 (2006.01) E21B 43/12 (2006.01) F04C 29/12 (2006.01) F04D 29/08 (2006.01) F04D 29/70 (2006.01)

Patent

CA 2509868

A seal section for a downhole pumping system includes a fluid exchange pathway and a rotatable gravity separator. The rotatable gravity separator preferably includes a chamber, a backwash inlet connecting the chamber to the fluid exchange pathway and a backwash outlet connecting the chamber to the fluid exchange pathway. The rotatable gravity separator further includes a weight that causes the rotatable gravity separator to remain in a substantially constant orientation with respect to the force of gravity.

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