E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 21/06 (2006.01) B02C 19/06 (2006.01) B09B 5/00 (2006.01)
Patent
CA 2110956
ABSTRACT OF THE INVENTION Method and apparatus for reducing the particle size of solids, particularly of solids such as drill cuttings, recovered from a subterranean wellbore. The solids are pumped to induce a pressure and velocity to the solids. The solids are passed through a choke to further increase the velocity of the solids, and are caused to impinge a surface to abruptly retard movement of the solids to thereby induce breakage or grinding thereof.
Doerksen James L.
Morris Robert J.
Haliburton Company
Swabey Ogilvy Renault
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