Apparatus and method for raising a fluid in a well

Details Apparatus and method for raising a fluid in a well Apparatus and method for raising a fluid in a well

E - Fixed Constructions

21

B

E21B 43/12 (2006.01)

Patent

CA 2725184

Apparatus and method for raising a fluid from a lower region to a higher region of an at least partially cased well, the apparatus comprising: a tubing string; a contacting structure at the upper end of the tubing string for engaging a stop structure in the well casing such that the tubing string is held in suspension; an exterior sealing element for sealing against the casing wall; and an internal check valve.

L'invention porte sur un appareil et sur un procédé pour élever un fluide d'une région inférieure à une région supérieure d'un puits au moins partiellement chemisé, l'appareil comprenant : une colonne de tubage ; une structure de contact à l'extrémité supérieure de la colonne de tubage se mettant en prise avec une structure d'arrêt dans le chemisage du puits, de telle sorte que la colonne de tubage est maintenue en suspension ; un élément extérieur d'étanchéité destiné à assurer l'étanchéité vis-à-vis de la paroi de chemisage ; et un clapet anti-retour interne.

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