Method and apparatus for actuating a downhole tool

Details Method and apparatus for actuating a downhole tool Method and apparatus for actuating a downhole tool

E - Fixed Constructions

21

B

E21B 34/06 (2006.01) E21B 23/00 (2006.01) E21B 23/04 (2006.01) E21B 33/1295 (2006.01) E21B 34/10 (2006.01) E21B 41/00 (2006.01) E21B 43/1185 (2006.01) E21B 44/00 (2006.01) E21B 47/18 (2006.01) E21B 49/00 (2006.01)

Patent

CA 2046470

73818-21 ABSTRACT OF THE DISCLOSURE Method and apparatus for actuating one or more downhole well tools carried by a production or work string conduit having an imperforate wall and for blocking fluid communication between an activating fluid body and a second fluid source within said well across dynamic seals between actuating members of the well tool, by producing selective signals through the conduit wall detectable by a member to produce an activating signal for actuating the downhole well tool by a downhole energy source.

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