Improved bridge plug for a well bore

Details Improved bridge plug for a well bore Improved bridge plug for a well bore

E - Fixed Constructions

21

B

E21B 33/134 (2006.01) E21B 33/129 (2006.01)

Patent

CA 2224917

The present invention provides a bridge plug for use in a well bore for engagement with the wall of a tubing extending down the bore. The bridge plug includes a sealing and an anchoring mechanism slidably disposed on a mandrel. The sealing mechanmism includes sealing elements which are expandable radially outwardly to engage the tubing wall when the elements are compressed. The anchoring mechanism includes first and second sleeves axially movable relative to one another and having radially inwardly sloped first and second ramps respectively. The ramps define a recess therebetween and slips having complementary ramps are received into the recess. The first and second ramps cooperate to force the anchoring member radially outwardly into engagement with the tubing wall upon axial movement of said first ramp towards said second ramp. The plug also includes a ratchet for locking the sealing means and said anchoring means in engagement with the tubing wall.

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