B - Operations – Transporting – 07 – B
Patent
B - Operations, Transporting
07
B
B07B 1/46 (2006.01) E21B 21/06 (2006.01)
Patent
CA 2657513
A screen assembly for use in a vibratory separator for screening a solids laden fluid, the screen assembly comprising a support (6) made of composite material and at least one layer of screening material (M, N) on said support, said support (6) having a top and a bottom and a plurality of holes (5) therethrough from said top to said bottom through which fluid is passable, said holes (5) defined by structure of the support (6) characterised in that said structure defining said holes (5) tapers between said top and said bottom of said support (6).
L'invention concerne un ensemble de criblage utilisé dans un séparateur vibratoire pour filtrer un fluide contenant des solides. L'ensemble de criblage comprend un support (6) fait d'un matériau composite et au moins une couche de matériau de criblage (M. N) sur ledit support. Ledit support (6) comprend une partie supérieure et une partie inférieure, et une pluralité d'orifices (5) entre la partie supérieure et la partie inférieure par lesquels peut passer le fluide. Lesdits orifices (5) sont définis par la structure du support (6) se caractérisant en ce que ladite structure définissant lesdits orifices (5) s'amincit entre lesdites parties supérieure et inférieure dudit support (6).
Scott Eric
Strong Gary Steven
Mcfadden Fincham
National Oilwell Varco L.p.
LandOfFree
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