E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
166/22
E21B 43/27 (2006.01) B01F 7/16 (2006.01) B01F 13/10 (2006.01) E21B 43/26 (2006.01) E21B 43/267 (2006.01)
Patent
CA 2014690
Abstract Of The Disclosure A mixing apparatus is provided for mixing slurries, par- ticularly high density, high viscosity fracturing fluid slurries containing a large proportion of proppant material. A mixing tub has a generally round horizontal cross- sectional shape. A relatively large, low-speed rotating agitator is utilized to mix the slurry. The design of the agitator is such that a radially inwardly rolling toroidal shaped slurry flow zone is created adjacent the upper sur- face of the slurry within the tub. A stream of clean frac- turing fluid is introduced into the tub near the center of the toroidal shaped flow zone. Dry proppant material is introduced into the tub and carried by the radially inwardly rolling flow into contact with the clean fracturing fluid. Foraminous baffles, preferably constructed from expanded metal sheets, are radially oriented within the tub to reduce rotational motion of the slurry within the tub without causing dropout of proppant from the slurry. A double suc- tion vertical sump pump is utilized to pump the slurry from the tub.
Berryman Leslie N.
Horinek Herbert J.
Phillippi Max L.
Prucha David A.
Reidenbach Vincent G.
Berryman Leslie N.
Company Halliburton
Haliburton Company
Horinek Herbert J.
Phillippi Max L.
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