E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 43/34 (2006.01) B01D 29/05 (2006.01) E21B 33/03 (2006.01)
Patent
CA 2283686
The invention concerns a device comprising: a closed housing (4) to be integrated with a wellhead element (16); a lining (3) tightly fixed on the inner wall of the body (1) producing the fluid upstream of the side outlet(s) (2) provided with said valves; a cylindrical partition (9) arranged inside the housing (4) around said lining (3), from which it is separated by a second ring-shaped space (10); first openings (11) provided in the upper portion of the partition (9) above the lining (3); second openings (12) provided in the lower portion of the partition (9); and a filter (13) arranged inside the housing (4) at the periphery of the partition (9) lower portion, opposite the second openings (12), said filter (13) being arranged such that all the fluid entering through the first partition openings (11) the volume separating this partition from the housing outer portion (5) passes through the filter (13) before entering the second ring-shaped volume (10) through the partition second openings (12).
Ce dispositif comprend: un carter fermé (4) apte à être rendu solidaire d'un élément (16) de la tête du puits; une chemise (3) fixée de façon étanche sur la paroi interne du corps (1) de production du fluide en amont de la ou des sorties latérales (2) équipées desdites vannes; une cloison cylindrique (9) disposée à l'intérieur du carter (4) autour de ladite chemise (3), dont elle est séparée par un second espace annulaire (10); des premiers orifices (11) ménagés dans la partie supérieure de la cloison (9) au-dessus de la chemise (3); des seconds orifices (12) ménagés dans la partie inférieure de la cloison (9); et un filtre (13) disposé à l'intérieur du carter (4) à la périphérie de la partie inférieure de la cloison (9), en regard des seconds orifices (12), ce filtre (13) étant disposé de façon telle que tout le fluide pénétrant par les premiers orifices (11) de la cloison dans le volume séparant cette cloison de la partie externe (5) du carter traverse le filtre (13) avant de pénétrer dans le second volume annulaire (10) par les seconds orifices (12) de la cloison.
Robic
Total
Total Fina S.a.
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