Method and apparatus for positioning and repositioning a...

Details Method and apparatus for positioning and repositioning a... Method and apparatus for positioning and repositioning a...

E - Fixed Constructions

21

B

E21B 23/00 (2006.01) E21B 33/12 (2006.01) E21B 33/124 (2006.01) E21B 33/129 (2006.01) E21B 33/1295 (2006.01) E21B 34/12 (2006.01)

Patent

CA 2274203

A method and apparatus is disclosed for downhole remediation. In the preferred embodiment, a bridge plug and service packer can be run into a well on coiled or rigid tubing. The assembly is capable of being set without rotation. The service packer is locked against setting until it is separated from the bridge plug. Setting of the bridge plug closes a passage within it that had been open to facilitate circulation during run-in. The service packer is set with longitudinal movements using an indexing mechanism. At the conclusion of the procedure, the service packer is released and lowered to recapture the bridge plug. The bridge plug is equalized and released to allow the assembly to be repositioned elsewhere in the wellbore or retrieved. The spacing between the packer and bridge plug can be varied as desired.

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