DEVICE FOR REMOVING DRILL FINES Russian patent published in 2017 - IPC E21B21/00 E21B7/28 

Abstract RU 2637685 C2

FIELD: mining engineering.

SUBSTANCE: device includes at least one pump for pumping out flushing fluid mixed with the drill fines, and at least one receiving body with at least one receiving chamber that is connected through the holes to the drill fines area behind a drilling tool. On the receiving body, there is provided a receiving element to mechanically receive the drill fines, and on which at least a portion of holes through which the drill fines enter the receiving chamber is located.

EFFECT: reliability and efficiency of drill fines removal is increased, and its classification is provided.

18 cl, 15 dwg

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RU 2 637 685 C2

Authors

Gerkhardt Tobias

Lubberger Mikhael

Dates

2017-12-06Published

2013-11-28Filed