Drilling fluid treatment

Details Drilling fluid treatment Drilling fluid treatment

2005-02-01

2005-02-01

Walsh, Donald P. (Department: 3653)

Classifying, separating, and assorting solids

Sorting special items, and certain methods and apparatus for...

Separating means

C209S234000, C209S672000

Reexamination Certificate

active

06848583

ABSTRACT:
A shale shaker having a basket for holding screen assembly apparatus, screen assembly apparatus for treating fluid introduced to the shale shaker, a roller bed assembly secured above and/or to the basket above the screen assembly apparatus, the roller bed assembly having a plurality of spaced-apart rotatable rollers, the fluid initially introduced to the shale shaker onto the roller bed assembly. The shale shaker wherein the fluid is drilling fluid with large undesirable solids therein, said large undesirable solids separable from the drilling fluid by the roller bed assembly.

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patent: 6234322 (2001-05-01), Paladin
patent: 6250478 (2001-06-01), Davis
patent: 1188489 (2001-07-01), None
patent: WO 9816295 (1996-10-01), None

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