E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 43/14 (2006.01) E21B 33/124 (2006.01) E21B 33/127 (2006.01) E21B 43/08 (2006.01) E21B 43/116 (2006.01)
Patent
CA 2664117
An assembly for producing oil and/or gas through a well traversing stacked oil and/or gas bearing earth layers (2-4) comprises a series of expandable packers (14) and integrated perforating gun and sandscreen assemblies (9-11) mounted on a production tubing (12) such that each integrated perforating gun and sandscreen assembly (9-11) is located adjacent an oil and/or gas bearing earth layer (2-4) and at least one expandable packer (14) is located between a pair of adjacent oil and/or gas bearing earth layers (2-4), and at least one inflow opening (22A-C) arranged in the wall of the production tubing adjacent to each sandscreen assembly. The integrated perforating gun and sandscreen assemblies (9-11) are installed in a single run into the well (1) such that uncontrolled fluid and/or sand influx into the well before installation of the sandscreens (23A-C) and expandable packers (14) is avoided.
L'invention concerne un ensemble conçu pour produire du pétrole et/ou du gaz par le biais d'un puits traversant le pétrole étagé et/ou des couches terrestres porteuses de gaz (2-4). Cet ensemble comprend une série de garnitures d'étanchéité dilatables (14) et des ensembles perforateur et filtre de sable intégrés (9-11) montés sur un tube de production (12), ainsi, chaque ensemble perforateur et filtre de sable intégrés (9-11) jouxte une couche terrestre porteuse de pétrole et/ou de gaz (2-4) et au moins une garniture d'étanchéité dilatable (14) est située entre deux couches terrestres porteuses de pétrole et/ou de gaz (2-4) contiguës, ainsi qu'au moins une ouverture d'admission (22A-C) disposée dans la paroi du tube de production jouxtant chaque ensemble filtre de sable. Les ensembles perforateur et filtre de sable intégrés (9-11) sont installés d'un seul trait dans le puits (1) de façon à éviter le fluide incontrôlé et/ou l'invasion du sable dans le puits avant l'installation des filtres de sable (23A-C) et des garnitures d'étanchéité (14).
Braithwaite Stephen Richard
Van Dongen Johannes Cornelis Maria
Shell Canada Limited
Smart & Biggar
LandOfFree
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