Vibratory screening machine for earth drilling installation

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United States of America Patent

SERIAL NO

11635171

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Abstract

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An oil and gas drilling installation having a drill rig with a bell nipple having an outlet at a predetermined elevation, a screening machine having a feeder and an angularly adjustable vibratory frame, a weir positioned between the feeder and the vibratory frame, the weir having an elevation which is lower than the predetermined elevation of the outlet of the bell nipple but immediately above the portion of the screen frame adjacent to the weir, and a downwardly inclined conduit between the bell nipple conduit and the feeder. A vibratory screening machine and feeder combination including an angularly adjustable vibratory frame on the vibratory screening machine, and a weir and flexible seal between the feeder and the vibratory frame at an elevation which is immediately above the portion of the vibratory frame which is adjacent to the weir.

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Patent Owner(s)

Patent OwnerAddress
DERRICK CORPORATION590 DUKE ROAD BUFFALO NY 14225

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Peresan, Michael L Strykersville, NY 14 43

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