Patent ID: 8556083

Claim:
A system, comprising: a vibratable basket that is adapted to receive a flow of material comprising a mixture of drilling fluid and solids material; a plurality of spaced-apart screen assemblies comprising a first screen assembly and a second screen assembly positioned below said first screen assembly, wherein each of said plurality of spaced-apart screen assemblies is mounted in and vibratable with said vibratable basket, and wherein each of said plurality of spaced-apart screen assemblies is adapted to allow a flow of at least a portion of said drilling fluid to pass therethrough; and a conversion apparatus that is adapted to selectively control said flow of said material passing through said system so as to generate one of a series flow and a parallel flow to said first and second screen assemblies, wherein said conversion apparatus comprises a slidably movable diverter that is slidably mounted in said vibratable basket below said first screen assembly and above said second screen assembly, said slidably movable diverter being adapted to control at least a portion of said flow of said material from said first screen assembly to said second screen assembly by being slidably moved between said first and second screen assemblies.