Patent ID: 6752216
Filing Date: 2004-06-22
Classification: E21B

Abstract:
A packer for sealing an annular space between a tubular string and a cased wellbore, the packer comprising:a seating body having an inner surface and an outer surface, said seating body being tubular in configuration, and said seating body being fabricated from an expandable material; and a packer body comprising a top end, a bottom end, and an outer surface, said top end being connected to the tubular string, and said outer surface being dimensioned to be received within said inner surface of said seating body after said seating body has been expanded into contact with the cased wellbore; and the packer body comprising at least one dog located along said outer surface of said packer body, said at least one dog capable of moving from a first extended position external to said plane of said outer surface, to a second recessed position along said plane of said outer surface, said at least one dog being biased in said extended position; and the seating body comprising at least one profile located on said inner surface of said seating body to correspond with said at least one dog, said at least one profile dimensioned to receive said at least one corresponding dog so as to further secure said packer body within said seating body.