Jet pump with a centrifugal pump

Details Jet pump with a centrifugal pump Jet pump with a centrifugal pump

2011-08-16

2011-08-16

Gay, Jennifer H (Department: 3676)

Wells

With eduction pump or plunger

C166S105600, C166S335000, C166S369000, C417S076000, C417S089000

Reexamination Certificate

active

07997335

ABSTRACT:
A seafloor pump assembly is installed within a caisson that has an upper end for receiving a flow of fluid containing gas and liquid. The pump assembly is enclosed within a shroud that has an upper end that seals around the pump assembly and a lower end that is below the motor and is open. An extraction tube has an upper end above the shroud within the upper portion of the caisson and a lower end connected to a jet pump. The extraction tube causes gas that separates from the liquid and collects in the upper portion of the caisson to be drawn into the jet pump and mixed with the liquid as the liquid is being pumped.

REFERENCES:
patent: 4294573 (1981-10-01), Erickson et al.
patent: 5403151 (1995-04-01), Noyes
patent: 6068444 (2000-05-01), Sheth
patent: 6357530 (2002-03-01), Kennedy et al.
patent: 7481270 (2009-01-01), Shepler
patent: 2009/0035067 (2009-02-01), Wilson et al.
U.S. Appl. No. 11/830,263, filed Jul. 30, 2007.

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