Vibratory screening machine for earth drilling installation

Details Vibratory screening machine for earth drilling installation Vibratory screening machine for earth drilling installation

B - Operations, Transporting

07

B

B07B 1/46 (2006.01) B07B 1/28 (2006.01) E21B 21/06 (2006.01) F16J 15/32 (2006.01)

Patent

CA 2627842

An oil and gas drilling installation (10) having a drill rig (11) with a bell nipple (14) having an outlet at a predetermined elevation, a screening machine (15;140) having a feeder (23;101)and an angularly adjustable vibratory frame (25;11), a weir (24;100) positioned between the feeder (23;101) and the vibratory frame (25;111), the weir (24;100) 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 (24;100), and a downwardly inclined conduit (22) between the bell nipple conduit (22) and the feeder (23;101). A vibratory screening machine (15;140) and feeder (23;101) combination including an angularly adjustable vibratory frame (25;111) on the vibratory screening machine (15;140), and a weir and flexible seal (24;100) between the feeder (23;101) and the vibratory frame (25;111) at an elevation which is immediately above the portion of the vibratory frame (25;111) which is adjacent to the weir (24;100).

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