Wellbore method and apparatus for sand and inflow control...

E - Fixed Constructions – 21 – B

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E21B 33/12 (2006.01) E21B 43/04 (2006.01) E21B 43/08 (2006.01)

Patent

CA 2648024

A method, system and apparatus associated with the production of hydrocarbons are described. The system includes a wellbore that accesses a subsurface reservoir; a production tubing string disposed within the wellbore; and one or more sand control devices coupled to the production tubing string and disposed within the wellbore. At least one of the sand control devices includes a first tubular member having a permeable section and a non permeable section; a second tubular member disposed within the first tubular member. The second tubular member has a plurality of openings and an inflow control device that each provide a flow path to the interior of the second tubular member. Also, the at least one of the sand control devices includes a sealing mechanism disposed between the first tubular member and the second tubular member. The sealing mechanism is configured to provide a pressure loss during gravel packing operations that is less than the pressure loss during at least some of the production operations.

Procédé, système et appareil associés à la production d'hydrocarbures. Le système comprend un puits de forage permettant d'accéder à un réservoir souterrain ; une colonne de production disposée à l'intérieur du puits de forage ; et un ou plusieurs dispositifs de blocage du sable couplés à la colonne de production et disposés à l'intérieur du puits de forage. Au moins un des dispositifs de blocage du sable comporte un premier élément tubulaire présentant un tronçon perméable et un tronçon non perméable, et un deuxième élément tubulaire disposé à l'intérieur du premier élément tubulaire. Le deuxième élément tubulaire possède une pluralités d'ouvertures et un dispositif de régulation de débit d'entrée formant individuellement un passage d'écoulement vers l'intérieur dudit deuxième élément tubulaire. Ledit au moins un des dispositifs de blocage du sable comprend en outre un mécanisme d'étanchéité disposé entre le premier élément tubulaire et le deuxième élément tubulaire. Le mécanisme d'étanchéité est conçu pour créer une perte de pression au cours des opérations de gravillonnage, cette perte de pression étant moindre que la perte de pression créée au cours d'au moins certaines des opérations de production.

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