Submersible pump with surfactant injection

E - Fixed Constructions – 21 – B

Patent

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Details

E21B 43/40 (2006.01) E21B 43/12 (2006.01) E21B 43/34 (2006.01)

Patent

CA 2708287

A submersible pumping system for use downhole that includes a housing, a pump and gas separator within the housing, a motor for driving the pump and separator, and a foaming agent injection system. The foaming agent injection system injects a foaming agent upstream of the pump and optionally upstream of the separator. The foaming agent injection system comprises a foaming agent supply, an injection pump, and foaming agent injection line.

La présente invention concerne un système de pompage submersible s'utilisant en fond de trou, et qui comporte un carter, une pompe et un séparateur de gaz à l'intérieur du carter, un moteur pour entraîner la pompe et le séparateur, et un système d'injection d'agent moussant. Le système d'injection d'agent moussant injecte un agent moussant en amont de la pompe, et éventuellement en amont du séparateur. Ce système d'injection d'agent moussant comprend une alimentation en agent moussant, une pompe d'injection, et une ligne d'injection d'agent moussant.

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