Packer locking apparatus

Details Packer locking apparatus Packer locking apparatus

E - Fixed Constructions

21

B

166/63

E21B 33/12 (2006.01) E21B 23/00 (2006.01) E21B 23/01 (2006.01) E21B 23/06 (2006.01) E21B 33/129 (2006.01)

Patent

CA 2023151

An apparatus for locking a packer against premature actuation in a well bore. The locking apparatus includes a sleeve attached to a lower end of the packer and spring biased locking members adjacent to the sleeve. When in a locked position, lugs on the locking members engage a groove in the sleeve and prevent longitudinal movement of a mandrel in the packer with respect to the packer elements. When the locking apparatus enters a liner in the well bore, the locking members are biased radially inwardly, disengaging the lugs from the groove, so that the packer mandrel may be actuated and the packer set.

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