Pressure compensating apparatus and method for downhole tools

Details Pressure compensating apparatus and method for downhole tools Pressure compensating apparatus and method for downhole tools

E - Fixed Constructions

21

B

E21B 23/00 (2006.01) E21B 33/12 (2006.01)

Patent

CA 2442088

An apparatus and method for opposing pressure-induced forces acting on a mandrel of a downhole tool. The apparatus and method are particularly suited for use with a packer and include a piston engageable with the mandrel. Forces placed upon the piston by pressure communicated from the tubing bore are transferred to the mandrel.

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