Permanent downhole deployment of optical sensors

Details Permanent downhole deployment of optical sensors Permanent downhole deployment of optical sensors

E - Fixed Constructions

21

B

E21B 47/00 (2006.01) E21B 7/04 (2006.01) E21B 44/00 (2006.01) E21B 47/10 (2006.01) G01F 1/00 (2006.01) G01F 1/34 (2006.01) G01F 1/66 (2006.01) G01F 1/684 (2006.01) G01V 1/40 (2006.01) G01V 1/42 (2006.01) G01V 1/44 (2006.01) G01V 8/10 (2006.01)

Patent

CA 2634650

The present invention involves methods and apparatus for permanent downhole deployment of optical sensors. Specifically, optical sensors may be permanently deployed within a wellbore using a casing string. In one aspect, one or more optical sensors are disposed on, in, or within the casing string. The optical sensors may be attached to an outer surface of the casing string or to an inner surface of the casing string, as well as embedded within a wall of the casing string. The optical sensors are capable of measuring wellbore parameters during wellbore operations, including completion, production, and intervention operations.

La présente invention concerne un dispositif et des méthodes d'installation permanente de capteurs dans un trou de forage. Plus précisément, des capteurs optiques peuvent être installés en permanence dans un trou de forage au moyen d'une colonne de tubage. Dans un des aspects de l'invention, un ou plusieurs capteurs optiques sont placés sur ou dans la colonne de tubage. Les capteurs optiques peuvent être fixés à une surface extérieure de la colonne de tubage ou à une surface intérieure de celle-ci, ou encore encastrés dans une paroi de la colonne de tubage. Les capteurs optiques peuvent mesurer les paramètres du trou de forage lors d'opérations dans le puits, entre autres, des opérations de complétion, de production et d'intervention.

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