E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 43/10 (2006.01) E21B 43/02 (2006.01) E21B 43/04 (2006.01) E21B 43/08 (2006.01) E21B 43/26 (2006.01)
Patent
CA 2250593
Improved methods and apparatus for completing an unconsolidated subterranean zone penetrated by a wellbore are provided. The methods basically comprise the steps of placing a slotted liner having an internal sand screen disposed therein in the zone, isolating the slotted liner and the wellbore in the zone and injecting particulate material into the annuli between the sand screen and the slotted liner and the slotted liner and the wellbore to thereby form packs of particulate material therein to prevent the migration of fines and sand with produced fluids.
Appareil et méthodes améliorés de complétion d'un puits foré dans une zone souterraine de roche meuble. Les méthodes comprennent fondamentalement les étapes suivantes : placer dans la zone une colonne perdue perforée à l'intérieur de laquelle se trouve un filtre anti-sable; isoler la colonne perdue perforée et le puits de forage dans la zone et injecter un matériau particulaire dans l'anneau formé entre le filtre anti-sable et la colonne ainsi qu'entre la colonne et le puits de forage afin de former des paquets de matériau particulaire pour empêcher des matériaux fins et du sable de se mélanger aux fluides produits.
Dusterhoft Ronald G.
Nguyen Philip D.
Halliburton Energy Services Inc.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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