Constricting flow diverter

Details Constricting flow diverter Constricting flow diverter

2008-06-06

2009-12-01

Neuder, William P (Department: 3672)

Boring or penetrating the earth

With means movable relative to tool below ground to control...

C175S242000

Reexamination Certificate

active

07624821

ABSTRACT:
In one aspect of the present invention, a downhole assembly has a downhole tool string component with a bore adapted to accommodate drilling mud having a central passage and at least one periphery passage. At least two movable segments are peripherally positioned around a bore wall adapted to constrict a diameter of the central passage and are adapted to divert drilling mud into the at least one periphery passage. At least one opening mechanism is adapted to move a portion of the at least two movable segments toward the bore wall.

REFERENCES:
patent: RE30055 (1979-07-01), Claycomb
patent: 4211291 (1980-07-01), Kellner
patent: 4462469 (1984-07-01), Brown
patent: 4676310 (1987-06-01), Scherbatskoy
patent: 4721172 (1988-01-01), Brett
patent: 5098258 (1992-03-01), Barnetche-Gonzalez
patent: 5626200 (1997-05-01), Gilbert
patent: 5839508 (1998-11-01), Tubel
patent: 6495929 (2002-12-01), Bosley
patent: 6830107 (2004-12-01), Allen
patent: 6899188 (2005-05-01), Hughes et al.
patent: 7424922 (2008-09-01), Hall et al.
patent: 2003/0066687 (2003-04-01), Mitchell

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