Debris barrier with a downhole tool setting assembly

Details Debris barrier with a downhole tool setting assembly Debris barrier with a downhole tool setting assembly

E - Fixed Constructions

21

B

E21B 23/00 (2006.01) E21B 23/06 (2006.01) E21B 33/04 (2006.01) E21B 47/00 (2006.01)

Patent

CA 2177925

An apparatus is disclosed to allow efficient setting and release from a liner packer connected to a liner assembly. The polished bore adjacent the packer is protected from debris since the setting procedure takes place while the polished bore remains protected. Movements necessary to accomplish the setting procedure occur principally at the uphole end of the polished bore to minimize adverse effects on the integrity of the polished bore from such movements in an area where subsequent operations require a sealing contact.

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