Jet pump with foam generator

Details Jet pump with foam generator Jet pump with foam generator

2009-03-03

2011-11-15

Stephenson, Daniel P (Department: 3676)

Wells

Processes

Producing the well

C417S171000

Reexamination Certificate

active

08056636

ABSTRACT:
A jet pumping system for use in a wellbore drilled for the production or petroleum products includes a packer disposed within the wellbore, an intake pipe extending through the packer, an injection system configured to inject pressurized gas into the wellbore and a jet pump connected to the intake pipe. The jet pump further includes a removable vortex generator. A method for selectively generating foam in-situ in a subterranean well includes the steps of installing a vortex generator in the jet pump with a wire line procedure and pumping a foam generating solution into the jet pump. Pressurized gas is injected into the annulus of the well, which creates a vortex in the jet pump as the pressurized gas is directed into the jet pump through injection ports. The resultant vortex aerates and mixes the foam generating solution and petroleum fluids to generate a foam in the jet pump.

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