Two for one shale shaker

Details Two for one shale shaker Two for one shale shaker

1995-02-22

1997-01-14

Walker, W. L.

Liquid purification or separation

Plural distinct separators

Filters

210335, 210340, 209250, B01D 3303

Patent

active

055935826

ABSTRACT:
A shale shaker having two feeds, two screens, two mud outlets and a removable tray between the screens is disclosed. Each screen receives one feed and produces one outlet of cuttings and another outlet for separated mud for either bypass or direct feed to the mud tank or the other screen. The removable tray or trays facilitate the two screens acting in cascade. Valves are provided to control the overall flow rate to the shaker and to the lower level screen.

REFERENCES:
patent: 2260095 (1941-10-01), Stevens
patent: 2716493 (1955-08-01), Hutchison
patent: 3988243 (1976-10-01), Huff
patent: 4234416 (1980-11-01), Lower et al.
patent: 4376042 (1983-03-01), Brown
patent: 4639258 (1987-01-01), Schellstede et al.
patent: 4911834 (1990-03-01), Murphy
patent: 4940535 (1990-07-01), Fisher et al.

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