Retrievable bridge plug and retrieving tool

Details Retrievable bridge plug and retrieving tool Retrievable bridge plug and retrieving tool

E - Fixed Constructions

21

B

E21B 33/134 (2006.01) E21B 23/00 (2006.01) E21B 23/06 (2006.01) E21B 31/03 (2006.01) E21B 43/16 (2006.01)

Patent

CA 2286543

A retrievable bridge plug having an internal bypass passage and external retrieving lugs, and a retrieving tool therefor. When the bypass passage is sealed, both the top and bottom openings of the bypass passage are closed, preventing debris from entering the bypass passage through either opening. A directing shroud is provided adjacent the top opening of the bypass passage, such that when the bypass passage is opened, part of any fluid flowing uphole through the bypass passage is directed over the retrieving lugs, clearing them of any debris and facilitating latching by the retrieving tool. The shroud also prevents debris from packing around the top opening of the bypass passage. A retrieving tool is also provided, which retrieving tool, through cooperation of a sleeve having a "J" shaped slot, and an inner latch sleeve having a straight slot, locks the retrieving tool onto the retrieving lugs.

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