Wireline set/tubing retrievable bridge plug

Details Wireline set/tubing retrievable bridge plug Wireline set/tubing retrievable bridge plug

E - Fixed Constructions

21

B

166/63

E21B 33/129 (2006.01) E21B 23/00 (2006.01) E21B 23/06 (2006.01) E21B 33/134 (2006.01)

Patent

CA 1254506

Abstract A wireline set and tubing retrievable bridge plug. The bridge plug includes a central mandrel portion having a plurality of J-shaped recesses thereon at an upper end and at least one shaped recess at a lower end thereof. Disposed around the central mandrel is a packer mandrel having a packer element thereon and slips disposed therearound. A ratchet assembly is provided for holding the apparatus in a set position in which the packer element sealingly engages the well bore and the slips grippingly engage the well bore. The shaped lower recess in the central mandrel is disposed below the ratchet mechanism. A packer mandrel case having a lug therein for engaging the shaped recess is disposed around the lower end of the mandrel. The slips, ratchet mechanism and J-Shaped recess are all positioned below the packer element for protection from debris in the well bore. A retrieving tool attached to a tubing string is used to retrieve the bridge plug. The retrieving tool opens a bypass passage through the bridge plug for facilitating removal from the well bore.

512520

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