Foamed slurry generator

Details Foamed slurry generator Foamed slurry generator

B - Operations, Transporting

01

F

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B01F 13/02 (2006.01) B01F 3/04 (2006.01) E21B 21/14 (2006.01) E21B 33/13 (2006.01) E21B 43/26 (2006.01)

Patent

CA 1280107

FORMED SLURRY GENERATOR ABSTRACT OF THE DISCLOSURE A high pressure foam slurry generator, including a source of slurry, a source of gas, and a means for combining the slurry and the gas, which is usually nitrogen. A housing receiving the slurry and the as has a connector with multiple channels. One channel for the nitrogen gas acts as an inlet and has a bushing with a series of multiple holes through which the nitrogen gas is broken into a plurality of high velocity streams. The slurry with a foamer agent added combines at right angles with the nitrogen gas and is foamed before being pumped through a tubing string into a gas or oil well. Also included herein is a process for making foamed slurry by pumping a slurry capable of being foamed to a housing, pumping nitrogen to the same housing, separating the nitrogen into a plurality of high velocity streams, and combin- ing the streams and the slurry in a foaming action. Either the slurry or the nitrogen may have two sepa- rate streams entering the housing as right angles to each other. All of the streams are normally combined at right angles to obtain the proper amount of foaming action.

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