Improved bridge plug

Details Improved bridge plug Improved bridge plug

E - Fixed Constructions

21

B

E21B 33/12 (2006.01) E21B 33/134 (2006.01) E21B 34/12 (2006.01)

Patent

CA 2395723

A retrievable bridge plug assembly having an internal "pump through" bypass passage and a wedge assembly, slips and seals disposed thereon. A retrieving tool is provided for running, setting, releasing and retrieving the bridge plug assembly. A tubing sensor is included to prevent setting of the bridge plug assembly in improper size tubing. When the bridge plug is properly located, the wedge assembly can actuated by manipulation of the retrieving tool to force the slips radially outward into gripping engagement with the well tubular and to force the seals into sealing engagement with the well tubular. A ball valve on the bridge plug assembly is movable to selectively open and close the bypass passage. The retrieving tool can maintain the valve and passageway open to facilitate circulation during run in and setting and also open during retrieving for pressure equalization. A service packer can be connected to and run with the bridge plug assembly.

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