Drilling mud cleaning apparatus

Liquid purification or separation – Filter – Movable medium

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Details

55192, 55199, 210400, B01D 3304

Patent

active

043505910

ABSTRACT:
Apparatus for cleaning cutting-laden drilling mud utilizes an upwardly inclined traveling belt screen. Successive portions of the screen are established as a planar screen surface supported by an underlying grille. A vibration unit attached to the grille imparts vibrating movement to the screen to more effectively separate cuttings from drilling mud deposited thereon. A vibratory plate is immersed in the puddle of mud which forms over an aft section of the inclined planar screen surface and acts to compact the mud and enhance its penetration therethrough. An auxiliary gas break-up screen disposed in the path of mud being directed toward the belt screen causes the release of gases contained in the cutting-laden drilling mud, and a blower driven vented enclosure hood placed over the gas break-up screen captures and exhausts released gases.

REFERENCES:
patent: 2294827 (1942-09-01), Booth
patent: 2714308 (1955-08-01), Heck
patent: 3464557 (1969-09-01), Fowler
patent: 4046528 (1977-09-01), Liljestrand
patent: 4146483 (1979-03-01), Lee
patent: 4154689 (1979-05-01), Ootani
patent: 4175039 (1979-11-01), Fisher
"Clean Screen Machine", Par Industries, Inc., brochure.
"Baroid Double Deck Shaker, for Better Solids Control to Reduce Drilling Cost", NL Industries, brochure.

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