E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
166/70
E21B 43/08 (2006.01) B01D 24/08 (2006.01) B01D 29/15 (2006.01) B01D 39/06 (2006.01)
Patent
CA 1196277
FILTER FOR SEPARATING DISCRETE SOLID ELEMENTS FROM A FLUID STREAM (D#77,400-TCRL-002-F) ABSTRACT OF THE DISCLOSURE A filter element which is physically capable of withstanding adverse operating conditions in a subterranean environment. The filter element comprises a durable, yet fluid pervious casing through which a particulate carrying fluid is radially passed after leaving the substrate. An annular bed within the casing, is formed of a metallic fibrous mass which defines multitudinous flow passages that retain the solid particles, yet pass the residual fluid therethrough. A fluid pervious sheath surrounds the metallic mass to form an initial particle retention phase, to maintain the fibrous mass in its desired shape, and to function as a base for accumulating retained solids. -I-
442850
Livesey Declan B.
Toma Petre
Smart & Biggar
Texaco Canada Resources Ltd.
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