F - Mech Eng,Light,Heat,Weapons – 04 – B
Patent
F - Mech Eng,Light,Heat,Weapons
04
B
F04B 47/06 (2006.01) E21B 43/12 (2006.01) F04B 17/03 (2006.01) F04B 53/08 (2006.01) F04D 1/10 (2006.01) F04D 13/10 (2006.01) F04D 29/58 (2006.01)
Patent
CA 2194257
An electrical submersible pump (ESP) having a means to recirculate fluid below the motor of the ESP for cooling purposes. By using a recirculating means, an ESP can then be placed below the perforations in a well casing, thereby taking advantage of gas separation from the fluid before the fluid enters the pump intake. Three embodiments are disclosed: a fluid tap in the production pump housing to which tubing is connected to recirculate the fluid; a recirculation pump that shares an intake with the production pump wherein the recirculation pump is used to recirculate the fluid; and a recirculation pump and a production pump that each have a separate intake wherein the recirculation pump is used to recirculate the fluid.
Mack John J.
Wilson Brown Lyle
Baker Hughes Incorporated
Oil Dynanics Inc.
Smart & Biggar
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