Patent ID: 6722504
Filing Date: 2004-04-20
Classification: B01D,B07B,E21B

Abstract:
A shale shaker for treating material including drilling fluid with solids entrained therein, the shale shaker comprisinga base, vibrating apparatus, a screen container on the base, the screen container having a plurality of spaced-apart drain holes, a plurality of spaced-apart screen assemblies in the screen-container for screening solids from the drilling fluid, said screen assemblies oriented vertically within the screen container, each screen assembly having perforated spaced-apart sides and an interior space between said perforated spaced-apart sides, and the screen assemblies positioned above the plurality of spaced-apart drain holes so that screened drilling fluid is passable down from the screen assemblies into said drain holes, the screen assemblies positioned so that screened fluid passes through the screen assemblies and flows from the container through the plurality of spaced-apart drain holes.