Metal debris cleanout system and method

Details Metal debris cleanout system and method Metal debris cleanout system and method

2008-01-14

2010-02-23

Bagnell, David J (Department: 3676)

Boring or penetrating the earth

With above-ground means for preparing or separating drilling...

C175S207000, C166S265000, C210S695000, C210S804000, C210S222000, C210S223000

Reexamination Certificate

active

07665546

ABSTRACT:
A cleanout system and method for removal of metal debris from a fluid flow, such a flow of re-circulated drilling mud employs one or more magnetic unit positioned in the path of the fluid for collecting metal particles from the flow. The magnetic unit has a removable magnet core positioned in a non-magnetic sleeve. When the core is removed from the sleeve the attracted metal particles are allowed to drop from the sleeve under gravity to facilitate their collection and disposal. A fluid deflector is positioned upstream from each magnetic unit, protecting the magnetic unit from direct impact by the strong flow. The magnetic units are allowed to pivot from side-to-side and adjust their position in the flow.

REFERENCES:
patent: 4299700 (1981-11-01), Sanderson
patent: 6264842 (2001-07-01), Boehm
patent: 6453738 (2002-09-01), Cesmat et al.
patent: 6702940 (2004-03-01), Blange

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