Method and apparatus for fluid bypass of a well tool

Details Method and apparatus for fluid bypass of a well tool Method and apparatus for fluid bypass of a well tool

E - Fixed Constructions

21

B

E21B 34/06 (2006.01) E21B 23/01 (2006.01)

Patent

CA 2590594

Apparatuses and methods to inject chemical stimulants (284) to a production zone (102, 202) through a string of production tubing (110, 210) around a downhole obstruction are disclosed. The apparatuses and methods include deploying an anchor seal assembly (200) to a landing profile (120, 220) located within a string of production tubing (110, 210). The anchor seal assembly (200) is in communication with a surface station through an injection conduit (260, 264) and includes a bypass pathway (262) to inject various fluids to a zone below.

L'invention concerne des appareils et des procédés pour injecter des stimulants chimiques (284) dans une zone de production (102, 202) par une colonne de production (110, 210) autour d'une obstruction de fond. Selon l'invention, un ensemble d'ancrage et d'étanchéité (200) est déployé au niveau d'un profilé de réception (120, 220) situé à l'intérieur d'une colonne de production (110, 210). Cet ensemble d'ancrage et d'étanchéité (200) est en communication avec une station en surface par l'intermédiaire d'un conduit d'injection (260, 264) et il comprend une voie de dérivation (262) par laquelle divers fluides peuvent être injectés dans une zone située en-dessous.

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