Well packer with internally adjustable shear release mechanism

Details Well packer with internally adjustable shear release mechanism Well packer with internally adjustable shear release mechanism

E - Fixed Constructions

21

B

166/63

E21B 23/04 (2006.01) E21B 33/1295 (2006.01)

Patent

CA 1295548

ABSTRACT OF THE DISCLOSURE A well packer as shown having a shear release mechanism located internally within a packer body which allows the shear release value to be easily varied. A lock body and internal piston ring are initially static. An engagement surface on the lock body cooperates with the setting sleeve to lock setting force into the packing elements. A straight upward pull on the packer mandrel, allows the piston and lock body to become dynamic to relax the packing elements and allow the well packer to be retrieved to the well surface.

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